デバッグ MGCP パケットの例

21:50:26: send_mgcp_msg, MGCP Packet sent --->
NTFY 41 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
O: L/hd

NTFY 41  

!--- This is the notify (NTFY) message sent to the call agent to report !--- an observed event. The number 41 is the notify sequence number. 

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination !--- User Datagram Protocol (UDP) port number.

X: 50  

!--- The request ID is 50. 

O: L/hd  

!--- The observed event (O) off-hook (hd) is detected !--- with use of line package (L).

21:50:26: MGCP Packet received <--- 
200 41 OK

200 41 OK  

!--- This receive acknowledgement states that NTFY sequence !--- 41 was executed normally.

21:50:26: MGCP Packet received <--- 
RQNT 1825 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hu(N),D/[0-9!--*T](D) 
S: L/dls

RQNT 1825  

!--- This is the notification request (RQNT) message sent to the call !--- agent to report the observed event. The sequence number is 1825. 

aaln/S1/SU0/1@c26001.atl0.cisco.com 
 !--- This is the MGCP endpoint ID.
 
MGCP 0.1  
 !--- The MGCP version is 0.1.
 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination UDP port number. 

X: 50  

!--- The request ID is 50. 

R: L/hu(N),  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exists. 

D/[0-9!--*T](D) 

!--- Additionally, the call agent requests that this !--- residential gateway collect digits 0–9 plus and * until !--- the interdigit timeout (T) expires. 

S: L/dl  

!--- The call agent sends a signaling request (S) to have this !--- gateway use the line (L) package !--- and play dial tone (dl) for 16 seconds.

21:50:26: send_mgcp_msg, MGCP Packet sent ---> 
200 1825 OK

200 1825 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 1825 was executed normally.

21:50:41: send_mgcp_msg, MGCP Packet sent ---> 
NTFY 42 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
O: D/16783201735

NTFY 42  

!--- The notify message is sent to the call agent to report the observed !--- event. The notify sequence number is 42. 

aaln/S1/SU0/1@c26001.atl0.cisco.com 
!--- MGCP endpoint ID. 
MGCP 0.1  

!--- The MGCP version is 0.1.
 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  
!--- Request ID is 50. 
O: D/16783201735  

!--- This residential gateway sends an observed event message !--- that states that it collected the digits (16783201735) which conformed !--- to the digit map.

21:50:41: MGCP Packet received <--- 
200 42 OK

200 42 OK  

!--- This receive acknowledgement states that NTFY sequence !--- 42 was executed normally.

21:50:41: MGCP Packet received <--- 
RQNT 1828 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hu(N)

RQNT 1828  

!--- This is the notification request message sent to the call agent !--- to report the observed event. The sequence number is 1828. 

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  
!--- Request ID is 50. 
R: L/hu(N)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exists.

21:50:41: MGCP Packet received <--- 
RQNT 1828 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hu(N)

RQNT 1828  

!--- The notification request message is sent to the call agent !--- to report the observed event. The sequence number is 1828. 

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number.

X: 50

!--- The request ID is 50. 

R: L/hu(N)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exists.

21:50:41: MGCP Packet received <--- 
RQNT 1828 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hu(N)

RQNT 1828  

!--- The notification request message is sent to the call agent to report !--- the observed event. The sequence number is 1828. 

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  

!--- The request ID is 50. 

R: L/hu(N)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exists.

21:50:41: MGCP Packet received <--- 
RQNT 1828 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hu(N)

RQNT 1828  

!--- The notification request message is sent to the call agent to report !--- the observed event. The sequence number is 1828.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1.
 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  

!--- The request ID is 50. 

R: L/hu(N)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exists.

21:50:41: send_mgcp_msg, MGCP Packet sent ---> 
200 1828 OK

200 1828 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 1828 was executed normally.

21:55:40: send_mgcp_msg, MGCP Packet sent ---> 
NTFY 98 aaln/S1/SU0/0@c26002.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 53 
O: D/16783201733

NTFY 98  

!--- This is the notify message sent to the call agent to report !--- the observed event. The notify sequence number is 98. 

aaln/S1/SU0/1@c26002.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1 

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination User Datagram Protocol (UDP) !--- port number. 

X: 53  
!--- Request ID is 53. 
O: D/16783201733  

!--- This residential gateway sends an observed event (O) message !--- that states that it collected the digits (16783201733) which conformed to the !--- digit map. 

21:55:40: MGCP Packet received - 
200 98 OK

200 98 OK  

!--- This received acknowledgement states that NTFY sequence !--- 98 was executed normally.

21:55:40: MGCP Packet received - 
RQNT 1845 aaln/S1/SU0/0@c26002.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 53 
R: L/hu(N)

RQNT 1845  

!--- This is the notification request message received from !--- the call agent to report the observed event. The sequence number is 1845.
 
aaln/S1/SU0/1@c26002.atl0.cisco.com 

!--- This is the MGCP endpoint ID.
 
MGCP 0.1  

!--- The MGCP version is 0.1.
 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination UDP port number. 

X: 53  

!--- The request ID is 53. 

R: L/hu(N)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exists.

21:55:40: send_mgcp_msg, MGCP Packet sent ---> 
200 1845 OK

200 1845 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 1845 was executed normally.

21:55:40: MGCP Packet received - 
RQNT 1846 aaln/S1/SU0/0@c26002.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 53 
R: L/hu(N) 
S: L/bz

RQNT 1846  

!--- This is the notification request message received from the call agent to !--- report the observed event. The sequence number is 1846.

aaln/S1/SU0/1@c26002.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 53  

!--- The request ID is 53. 

R: L/hu(N)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exists.

S: L/bz  

!--- The call agent sends a signaling request (S) to have this gateway !--- use the line (L) package and play busy tone (bz) for 30 seconds.

21:55:40: send_mgcp_msg, MGCP Packet sent ---> 
200 1846 OK

200 1846 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 1846 was executed normally.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
NTFY 166 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
O: L/hd

NTFY 166  

!--- The notify message is sent to the call agent to report the !--- observed event. The notify sequence number is 166.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1.
 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  

!--- The request ID is 50. 

O: L/hd  

!--- The observed event (O) off-hook (hd) is detected with use of line (L) !--- package.

1d00h: MGCP Packet received - 
200 166 OK

200 166 OK  

!--- This received acknowledgement states that NTFY sequence !--- 166 was executed normally.

1d00h: MGCP Packet received - 
RQNT 2877 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hu(N),D/[0-9!--*T](D) 
S: L/dl

RQNT 2877  

!--- This is the notification request message received from the call agent to !--- report the observed event. The sequence number 2877.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  

!--- The request ID (X) is 50. 

R: L/hu(N),  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exists. 

D/[0-9!--*T](D) 

!--- Additionally, the call agent requests that this !--- residential gateway collect digits 0-9 plus and * until the !--- interdigit timeout (T) expires. 

S: L/dl  

!--- The call agent sends a signaling request (S) to have !--- this gateway use the line (L) package and play !--- dial tone (dl) for 16 seconds. 

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2877 OK

200 2877 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 2877 was executed normally.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
NTFY 167 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
O: D/6783201737

NTFY 167  

!--- This is the notify message sent to the call agent to report !--- the observed event. The notify sequence number is 167.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1.
 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  

!--- The request ID is 50. 

O: D/16783201737  

!--- This residential gateway sends an observed event (O) message !--- that states that it collected the digits (16783201737) which conformed to the !--- digit map.

1d00h: MGCP Packet received - 
200 167 OK

200 167 OK  

!--- This received acknowledgement states that NTFY sequence !--- 167 was executed normally.

1d00h: MGCP Packet received - 
RQNT 2878 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hu(N)

RQNT 2878  

!--- This notification request message is sent from the call agent !--- to report the observed event. The sequence number is 2878.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  

!--- The request ID (X) is 50. 

R: L/hu(N)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exists.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2878 OK

200 2878 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 2878 was executed normally.

1d00h: MGCP Packet received - 
CRCX 2879 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
C: 64 
L: p:20, a:PCMU;PCMA;G726-32,  e:on,  s:on, t:00 
M: recvonly

CRCX 2879  

!--- This is the create connection (CRCX) message received from the call agent. !--- The sequence number is 2879.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

C: 64  

!--- The call identification number (C) is 64. !--- Note: This is NOT the callerid.

L: p:20  

!--- This local connection option (L) specifies that the packetization !--- period (p) is 20 milliseconds. 

a:PCMU;PCMA;G726-32  

!--- The compression algorithm (a) options are: u-law pulse code modulation (PCM), !--- a-law PCM, or 32 kbps G.726. 

e:on,  s:on  

!--- The call agent has set both echo cancellation (e) and silence !--- suppression (s), also known as voice activity detection (VAD), to enable.

t:00  

!--- The type of service (t) for this call is 0. 

M: recvonly  

!--- The connection mode (M) is received only at this point, which allows !--- only ring-back tone.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2879  
I: 18 
v=0 
c=IN IP4 192.168.25.2 
m=audio 16386 RTP/AVP 0 8

200 2879  

!--- This sent acknowledgement states that CRCX sequence !--- 2879 was executed normally. 

I: 18  

!--- The connection identification number is 18.
 
v=0  

!--- The session description protocol (SDP) version is 0. 

c=IN IP4 192.168.25.2  

!--- The connection data (c) field specifies an Internet (IN) IP !--- version 4 address of 192.168.25.2. 

m=audio 16386 RTP/AVP 0 8  

!--- The SDP media description (m) specifies a media type of audio, !--- destination User Datagram Protocol (UDP) port 16386 for voice-bearer traffic, !--- and Real-Time Transport Protocol (RTP) encapsulation using !--- audio video profile (AVP) with RTP payload type of 0 or 8.

1d00h: MGCP Packet received - 
MDCX 2881 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
I: 18 
C: 64 
M: recvonly 
v=0 
c=IN IP4 192.168.25.6 
t=0 0 
m=audio 16388 RTP/AVP 0

MDCX 2881  

!--- This is the modify connection (MDCX) message received from the call agent. !--- The sequence number is 2881.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

I: 18  

!--- The connection identification number is 18. 

C: 64  

!--- The call identification number (C) is 64. !--- Note: This is NOT the callerid. 

M: recvonly  

!--- The connection mode (M) is received only at this point, which allows !--- only ring-back tone. 

v=0  

!--- The SDP version is 0. 

c=IN IP4 192.168.25.6  

!--- The connection data (c) field specifies an Internet (IN) IP !--- version 4 address of 192.168.25.6. 

m=audio 16386 RTP/AVP 0  

!--- The SDP media description (m) specifies a media type of audio, !--- destination UDP port 16386 for voice-bearer traffic, and RTP !--- encapsulation using AVP with RTP payload type of 0.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2881 OK

200 2881 OK  

!--- This sent acknowledgement states that MDCX sequence !--- 2881 was executed normally.

1d00h: MGCP Packet received - 
RQNT 2883 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hu(N) 
S: G/rt

RQNT 2883  

!--- The notification request message is sent from the call agent !--- to report the observed event. The sequence number is 2883.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID.
 
MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  

!--- The request ID (X) is 50. 

R: L/hu(N)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exists. 

S: G/rt  

!--- The call agent sends a signaling request (S) to have this gateway !--- use the generic (G) package and play the ring-back tone (rt). 

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2883 OK

200 2883 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 2883 was executed normally.

1d00h: MGCP Packet received - 
MDCX 2885 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
I: 18 
C: 64 
M: sendrecv

MDCX 2885  

!--- This is the modify connection (MDCX) message received from the call agent. !--- The sequence number is 2885.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

I: 18  

!--- The connection identification number is 18.
 
C: 64  

!--- The call identification number (C) is 64. !--- Note: This is NOT the callerid.

M: sendrecv  

!--- The connection mode (M) is a two-way send and receive at this point, !--- which allows full conversation.
 

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2885 OK

200 2885 OK  

!--- This sent acknowledgement states that MDCX sequence !--- 2885 was executed normally.

1d00h: MGCP Packet received - 
RQNT 2886 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hu(N),L/hf(N) 
S: 

RQNT 2886  

!--- The notification request message is sent from the call agent !--- to report the observed event. The sequence number is 2886.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  

!--- The request ID (X) is 50. 

R: L/hu(N),L/hf(N) 

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) or hook flash (hf) condition exists. 

S: 

!--- The call agent sends a signaling request (S) to have this gateway !--- signal nothing, which stops the playout of the ring-back !--- tone (rt).

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2886 OK

200 2886 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 2886 was executed normally.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
NTFY 168 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
O: L/hu

NTFY 168  

!--- The notify (NTFY) message is sent to the call agent to report !--- the observed event. The notify sequence number is 168.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number.
 
X: 50  

!--- The request ID is 50. 

O: L/hu  

!--- This residential gateway sends an observed event (O) that the !--- user went on-hook or hung up (hu).

1d00h: MGCP Packet received - 
200 168 OK

200 168 OK  

!--- This receive acknowledgement states that NTFY sequence !--- 168 was executed normally.

1d00h: MGCP Packet received - 
RQNT 2888 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hd(N)

RQNT 2888  

!--- The notification request message is sent from the call agent !--- to report the observed event. The sequence number is 2888.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  

!--- The request ID is 50. 

R: L/hd(N)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an off-hook (hd) condition exists.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2888 OK

200 2888 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 2888 was executed normally.

1d00h: MGCP Packet received - 
DLCX 2890 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
I: 18 
C: 64

DLCX 2890   

!--- The deleted connection (DLCX) message is received from the call agent. !--- The sequence number is 2890.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

I: 18  

!--- The connection identification number is 18. 

C: 64  

!--- The call identification number (C) is 64. !--- Note: This is NOT the callerid.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
250 2890  
P: PS=305, OS=47685, PR=501, OR=79722, PL=4, JI=288, LA=3

250 2890  

!--- This sent acknowledgement states that the connection was deleted. !--- The DLCX sequence number is 2890. 

P: PS=305,  

!--- The connection parameters (P) give call statistics. !--- The number of packets sent (PS) is 305. 

OS=47685,  

!--- The number of octets sent (OS) is 47685. 

PR=501,  

!--- The number of packets received (PR) is 501. 

OR=79722,  

!--- The number of octets received (OR) is 79722. 

PL=4,  

!--- The number of packets lost (PL) is 4. 

JI=288,  

!--- The jitter (JI) is 288 milliseconds. 

LA=3  

!--- The latency (LA) is 3 milliseconds.

1d00h: MGCP Packet received - 
CRCX 2899 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
C: 65 
L: p:20, a:PCMU;PCMA,  e:on,  s:on, t:00, nt:IN 
M: sendrecv 
v=0 
c=IN IP4 192.168.25.6 
t=0 0 
m=audio 16384 RTP/AVP 0 8

CRCX 2899  

!--- The create connection (CRCX) message is received from the call agent. !--- The sequence number is 2899.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID.
 
MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

C: 65  

!--- The call identification number (C) is 65. !--- Note: This is NOT the callerid.

L: p:20  

!--- This local connection option (L) specifies that the packetization !--- period (p) is 20 milliseconds. 

a:PCMU;PCMA  

!--- The compression algorithm (a) options are: u-law pulse code modulation (PCM) !--- or a-law PCM.

e:on,  s:on  

!--- The call agent has set both echo cancellation (e) and silence !--- suppression (s), also known as VAD, to enabled. 

t:00  

!--- The type of service (t) for this call is 0. 

nt:IN  

!--- The type of network (nt) is Internet (IN).

M: sendrecv  

!--- The connection mode (M) is a two-way send and receive at this point, !--- which allows full conversation. 
 
v=0  

!--- The SDP version is 0. 

c=IN IP4 192.168.25.6  

!--- The connection data (c) field specifies an Internet (IN) IP version !--- 4 address of 192.168.25.6. 

t=0 0  

!--- The (t) represents the start (0) and stop (0) times for this call !--- instance. When both start and stop are 0, the call is considered permanent.
 
m=audio 16384 RTP/AVP 0 8  

!--- The SDP media description (m) specifies a media type of audio, !--- destination User Datagram Protocol (UDP) port 16384 for voice-bearer traffic, !--- and Real-Time Transport Protocol (RTP) encapsulation using !--- audio video profile (AVP) with RTP payload type of 0 or 8.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2899  
I: 19 
v=0 
c=IN IP4 192.168.25.2 
m=audio 16386 RTP/AVP 0

200 2899  

!--- This sent acknowledgement states that CRCX sequence !--- 2899 was executed normally. 

I: 19  

!--- The connection identification number is 19. 

v=0  

!--- The session description protocol (SDP) version is 0. 

c=IN IP4 192.168.25.2  

!--- The connection data (c) field specifies an Internet (IN) IP !--- version 4 address of 192.168.25.2. 

m=audio 16386 RTP/AVP 0  

!--- The SDP media description (m) specifies a media type of audio, !--- destination UDP port 16386 for voice-bearer traffic, and RTP !--- encapsulation using AVP with RTP payload type of 0.

1d00h: MGCP Packet received - 
RQNT 2901 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hd(N) 
S: L/rg

RQNT 2901  

!--- This is the notification request message sent from the call agent to report !--- the observed event. The sequence number is 2901.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  

!--- The request ID is 50. 

R: L/hd(N)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an off-hook (hd) condition exists. 

S: L/rg  

!--- The call agent sends a signaling request (S) to have this gateway !--- use the generic (L) package and generate a ringing tone (rg).

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2901 OK

200 2901 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 2901 was executed normally.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
NTFY 169 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
O: L/hd

NTFY 169  

!--- This is the notify message sent to the call agent to report !--- the observed event. The notify sequence number is 169.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1 

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50  

!--- The request ID is 50. 

O: L/hd  

!--- Observed event (O) off-hook (hd) is detected with use of !--- line (L) package.

1d00h: MGCP Packet received - 
200 169 OK

200 169 OK  

!--- This received acknowledgement states that NTFY sequence !--- 169 was executed normally.

1d00h: MGCP Packet received - 
RQNT 2903 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hu(N),L/hf(N)

RQNT 2903  

!--- This is the notification request message sent from the call agent to report !--- the observed event. The sequence number is 2886.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50 

!--- The request ID (X) is 50. 

R: L/hu(N),L/hf(N) 

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) or hook flash (hf) condition exists.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2903 OK

200 2903 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 2903 was executed normally.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
NTFY 170 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1 
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
O: L/hu

NTFY 170  

!--- The notify message is sent to the call agent to report the observed !--- event. The notify sequence number is 170.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 50 

!--- The request ID is 50. 

O: L/hu 

!--- This residential gateway sends an observed event (O) that the !--- user went on-hook or hung up (hu).

1d00h: MGCP Packet received - 
200 170 OK

200 170 OK  

!--- This received acknowledgement states that NTFY sequence !--- 170 was executed normally.

1d00h: MGCP Packet received - 
RQNT 2906 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
N: mgcp.aSCT1CA.atl0.cisco.com:2427 
X: 50 
R: L/hd(N)

RQNT 2906  

!--- The notification request message is sent from the call agent to !--- report the observed event. The sequence number is 2906.

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.aSCT1CA.atl0.cisco.com:2427

!--- This is the notified entity ID with destination port number. 

X: 50

!--- The request ID is 50. 

R: L/hd(N)  

!--- The call agent requests (R) to be notified (N) !--- immediately that an off-hook (hd) condition exists.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
200 2906 OK

200 2906 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 2906 was executed normally.

1d00h: MGCP Packet received - 
DLCX 2907 aaln/S1/SU0/1@c26001.atl0.cisco.com MGCP 0.1  
I: 19 
C: 65

DLCX 2907   

!--- The delete connection (DLCX) message is received from the call agent. !--- The sequence number is 2907. 

aaln/S1/SU0/1@c26001.atl0.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

I: 19  

!--- The connection identification number is 19. 

C: 65  

!--- The call identification number (C) is 65. !--- Note: This is NOT the callerid.

1d00h: send_mgcp_msg, MGCP Packet sent ---> 
250 2907  
P: PS=334, OS=52843, PR=293, OR=46601, PL=0, JI=512, LA=3

250 2907  

!--- This sent acknowledgement states that the connection was deleted. !--- The DLCX sequence number is 2907. 

P: PS=334,  

!--- The connection parameters (P) provide call statistics. !--- The packets sent (PS) is 334. 

OS=52843,  

!--- The octets sent (OS) is 52843. 

PR=293,  

!--- The packets received (PR) is 293. 

OR=46601,  

!--- The octets received (OR) is 46601. 

PL=0,  

!--- The packets lost (PL) is 0. 

JI=512,  

!--- The jitter (JI) is 512 milliseconds. 

LA=3  

!--- The latency (LA) is 3 milliseconds.

send_mgcp_msg, MGCP Packet sent ---> 
NTFY 171 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 5 
O: L/hd

NTFY 171
 !--- This is the notify message sent to the call agent to report the observed event. !--- The notify sequence number is 171. 
aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427  

!--- This is the notified entity ID with destination port number. 

X: 5  

!--- The request ID is 5. 

O: L/hd  

!--- The observed event (O) off-hook (hd) is detected with use of !--- line (L) package.

MGCP Packet received - 
200 171 OK

200 171 OK  

!--- The received acknowledgement states that NTFY sequence !--- 171 was executed normally.

MGCP Packet received - 
RQNT 23 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 5 
R: L/hu(N),D/[0-9!--*T](D) 
S: L/dl

RQNT 23  

!--- The notification request message is sent from the call agent to !--- report the observed event. The sequence number is 23.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com  

!--- This is the MGCP endpoint ID.
 
MGCP 0.1   

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427  

!--- This is the notified entity ID with destination port number. 

X: 5  

!--- The request ID is 5. 

R: L/hu(N),D/[0-9!--*T](D)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exits and evaluates the digits received !--- with use of the digit map ((D)) and the dual tone multifrequency (DTMF) (D/) !--- package. 

S: L/dl  

!--- The call agent sends a signaling request (S) to have this !--- gateway use the line (L) package and play dial tone (dl) !--- for 16 seconds to endpoint aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com.

send_mgcp_msg, MGCP Packet sent ---> 
200 23 OK

200 2906 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 2906 was executed normally.

send_mgcp_msg, MGCP Packet sent ---> 
NTFY 172 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 5 
O: D/4720002

NTFY 172  

!--- This is the notify message sent to the call agent to report !--- the observed event. The notify sequence number is 172.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1.
 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427  

!--- This is the notified entity ID with destination port number. 

X: 5  

!--- The request ID is 5. 

O: D/4720002  

!--- The observed event (O) dialed digits (472-0002) is detected !--- with use of the DTMF (D) package.

MGCP Packet received - 
200 172 OK

200 172 OK 

!--- This received acknowledgement states that NTFY sequence !--- 172 was executed normally.

MGCP Packet received - 
RQNT 24 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 5 
R: L/hu(N)

RQNT 24  

!--- This is the notification request message sent from the call agent to !--- report the observed event. The sequence number is 24.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com  

!--- This is the MGCP endpoint ID. 

MGCP 0.1   

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427  

!--- This is the notified entity ID with destination port number. 

X: 5  

!--- The request ID is 5. 

R: L/hu(N)  

!--- The call agent requests (R) to be notified (N) !--- immediately that an on-hook (hu) event occurs.

send_mgcp_msg, MGCP Packet sent ---> 
200 24 OK

200 24 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 24 was executed normally.

MGCP Packet received - 
CRCX 25 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
C: 2 
L: p:10-20, a:PCMU;PCMA;G726-32,  e:off,  s:off, t:a0 
M: recvonly

CRCX 25  

!--- This is the create connection (CRCX) message received from the call agent. !--- The sequence number is 25. 

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com  

!--- This is the MGCP endpoint ID. !--- Note: This is the calling party. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

C: 2  

!--- The call identification number (C) is 2. !--- Note: This is NOT the callerid.
 
L: p:10-20  

!--- This local connection option (L) requests a packetization !--- period (p) of 10 or 20 milliseconds. 

a:PCMU;PCMA;G726-32,  

!--- The compression algorithm (a) options are: u-law pulse code modulation (PCM), !--- a-law PCM, or 32 kbps G.726. 

e:off,  s:off,  

!--- The call agent has set both echo cancellation (e) and !--- silence suppression (s), also known as voice activity detection (VAD), !--- to disabled. 

t:a0  

!--- The IP header type of service (t) byte for this call is !--- hexadecimal a0, which indicates IP precedence of 5 and minimized delay. 

M: recvonly  

!--- The connection mode (M) is a one-way receive at this !--- point until the called party answers. 

send_mgcp_msg, MGCP Packet sent ---> 
200 25  
I: 1D 
v=0 
o=- 2 0 IN IP4 13.200.2.6 
s=Cisco SDP 0 
c=IN IP4 13.200.2.6 
t=0 0 
m=audio 16386 RTP/AVP 0 8 

200 25  

!--- This sent acknowledgement states that CRCX sequence !--- 25 was executed normally. 

I: 1D  

!--- The connection identification number is 1D. !--- Note: This is for the calling leg.

v=0  

!--- The SDP version is 0. 

o=- 2 0 IN IP4 13.200.2.6  

!--- The origin (o) field indicates that no user IDs are used via (-). !--- The session ID is 2 and the version of this announcement is 0. !--- An Internet (IN) IP version 4 source address of 13.200.2.6 !--- is also specified. 

s=Cisco SDP 0  

!--- The session name (s) is "Cisco SDP 0".
 
c=IN IP4 13.200.2.6  

!--- The connection data (c) field specifies an Internet (IN) IP !--- version 4 source address of 13.200.2.6. 

t=0 0  

!--- The (t) represents the start (0) and stop (0) times !--- for this call instance. !--- When both start and stop are 0, the call is considered permanent. 

m=audio 16386 RTP/AVP 0 8  

!--- This SDP media description (m) specifies a media type of audio, !--- destination User Datagram Protocol (UDP) port 16386 for voice-bearer traffic, !--- and Real-Time Transport Protocol (RTP) encapsulation using !--- audio video profile (AVP) with RTP payload type of 0 or 8.

MGCP Packet received - 
CRCX 26 aaln/S1/SU0/1@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
C: 2 
L: p:10-20, a:PCMU;PCMA,  e:off,  s:off, t:a0, nt:IN 
M: sendrecv 
v=0 
o=- 2 0 IN IP4 13.200.2.6 
s=Cisco SDP 0 
c=IN IP4  13.200.2.6 
t=0 0 
m=audio 16386 RTP/AVP 0 8 

CRCX 26  

!--- The create connection (CRCX) message is received from the call agent. !--- The sequence number is 26. 

aaln/S1/SU0/1@opt0-2611-1.ss.cisco.com  

!--- This is the MGCP endpoint ID. !--- Note: This is the called party. 

MGCP 0.1  

!--- The MGCP version is 0.1.
 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

C: 2 

!--- The call identification number (C) is 2. !--- Note: This is NOT the callerid.
 
L: p:10-20  

!--- This local connection option (L) requests a packetization !--- period (p) of 10 or 20 milliseconds.
 
a:PCMU;PCMA,  

!--- The compression algorithm (a) options are: u-law PCM or a-law PCM.
 
e:off,  s:off,  

!--- The call agent has set both echo cancellation (e) and !--- silence suppression (s), also known as VAD, to disabled. 

t:a0  

!--- The IP header type of service (t) byte for this call !--- is hexadecimal a0, which indicates IP precedence !--- of 5 and minimized delay. 

M: sendrecv  

!--- The connection mode (M) is a two-way send and receive at !--- this point, which allows full conversation. 

v=0  


!--- The SDP version is 0. 

o=- 2 0 IN IP4 13.200.2.6  


!--- The origin (o) field indicates that no user IDs are used via (-). !--- The session ID is 2 and the version of this announcement is 0. !--- The Internet (IN) IP version 4 source address of 13.200.2.6 !--- is also specified. 

s=Cisco SDP 0  

!--- The session name (s) is "Cisco SDP 0". 

c=IN IP4 13.200.2.6  

!--- The connection data (c) field specifies an Internet (IN) !--- IP version 4 source address of 13.200.2.6. 

t=0 0  

!--- The (t) represents the start (0) and stop (0) times !--- for this call instance. When both start and stop are 0, !--- the call is considered permanent. 

m=audio 16386 RTP/AVP 0 8  

!--- The SDP media description (m) specifies a media type !--- of audio, destination UDP port 16386 for voice-bearer !--- traffic, and RTP encapsulation using AVP with !--- RTP payload type of 0 or 8. 

send_mgcp_msg, MGCP Packet sent ---> 
200 26  
I: 1E 
v=0 
o=- 2 0 IN IP4 13.200.2.6 
s=Cisco SDP 0 
c=IN IP4 13.200.2.6 
t=0 0 
m=audio 16388 RTP/AVP 0 

200 26  

!--- This sent acknowledgement states that CRCX sequence !--- 26 was executed normally. 

I: 1E  

!--- The connection identification number is 1E. !--- Note: This is for the called leg. 

v=0  

!--- The SDP version is 0.
 
o=- 2 0 IN IP4 13.200.2.6  

!--- The origin (o) field indicates that no user IDs are used via (-). !--- The session ID is 2 and the version of this announcement is 0. !--- An Internet (IN) IP version 4 source address of 13.200.2.6 !--- is also specified.
 
s=Cisco SDP 0  

!--- The session name (s) is "Cisco SDP 0".
 
c=IN IP4 13.200.2.6  

!--- The connection data (c) field specifies an Internet (IN) IP version !--- 4 source address of 13.200.2.6.
 
t=0 0  

!--- The (t) represents the start (0) and stop (0) times for !--- this call instance. When both start and stop are 0, !--- the call is considered permanent.

m=audio 16388 RTP/AVP 0 8 

!--- The SDP media description (m) specifies a media !--- type of audio, destination UDP port 16388 for !--- voice-bearer traffic, and RTP encapsulation using !--- AVP with RTP payload type of 0 or 8.
 

MGCP Packet received - 
MDCX 27 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
I: 1D 
C: 2 
M: recvonly 
v=0 
o=- 2 0 IN IP4 13.200.2.6 
s=Cisco SDP 0 
c=IN IP4  13.200.2.6 
t=0 0 
m=audio 16388 RTP/AVP 0 

MDCX 27  

!--- This is the modify connection (MDCX) message received from the call agent. !--- The sequence number is 27.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com  

!--- This is the MGCP endpoint ID. !--- Note: This is the called party. 

MGCP 0.1  

!--- The MGCP version is 0.1.
 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

I: 1D  

!--- The connection identification number is 1D. !--- Note: This is for the calling leg. 

C: 2  

!--- The call identification number (C) is 2. !--- Note: This is NOT the callerid.

M: recvonly  

!--- The connection mode (M) is a one-way receive at this point until !--- the called party answers. 

v=0  

!--- The SDP version is 0. 

o=- 2 0 IN IP4 13.200.2.6  

!--- The origin (o) field indicates that no user IDs are used via (-). !--- The session ID is 2 and the version of this announcement is 0. !--- An Internet (IN) IP version 4 destination address of 13.200.2.6 !--- is also specified. 

s=Cisco SDP 0  

!--- The session name (s) is "Cisco SDP 0". 

c=IN IP4 13.200.2.6  

!--- The connection data (c) field specifies an Internet (IN) IP !--- version 4 destination address of 13.200.2.6. 

t=0 0  

!--- The (t) represents the start (0) and stop (0) times for !--- this call instance. When both start and stop are 0, !--- the call is considered permanent.
 
m=audio 16388 RTP/AVP 0  

!--- The SDP media description (m) specifies a media type of audio, !--- destination UDP port 16388 for voice-bearer traffic, and !--- RTP encapsulation using AVP with RTP payload type of 0. 

send_mgcp_msg, MGCP Packet sent ---> 
200 27 OK

200 27 OK  

!--- This sent acknowledgement states that MDCX sequence !--- 27 was executed normally.

MGCP Packet received - 
RQNT 28 aaln/S1/SU0/1@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 6 
R: L/hd(N) 
S: L/rg

RQNT 28  

!--- This is the notification request message sent from !--- the call agent to report the observed event. !--- The sequence number is 28.

aaln/S1/SU0/1@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID.

MGCP 0.1  

!--- The MGCP version is 0.1.

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427

!--- This is the notified entity ID with destination port number. 

X: 6  

!--- The request ID is 6. 

R: L/hd(N)  

!--- The call agent requests (R) to be notified (N) !--- immediately that an off-hook (hd) condition exists. 

S: L/rg  

!--- The call agent sends a signaling request (S) to have this !--- gateway use the line (L) package and generate a ringing tone (rg). 

send_mgcp_msg, MGCP Packet sent ---> 
200 28 OK

200 28 OK 

!--- This sent acknowledgement states that RQNT sequence !--- 28 was executed normally.

MGCP Packet received - 
RQNT 29 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 5 
R: L/hu(N) 
S: G/rt

RQNT 29  

!--- This is the notification request message sent from the call agent to !--- report the observed event. The sequence number is 29.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427

!--- This is the notified entity ID with destination port number. 

X: 5  

!--- The request ID is 5. 

R: L/hu(N) 

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) condition exists. 

S: G/rt  

!--- The call agent sends a signaling request (S) to have !--- this gateway use the generic (G) package and generate a !--- ring-back tone.
 

send_mgcp_msg, MGCP Packet sent ---> 
200 29 OK

200 29 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 29 was executed normally.

send_mgcp_msg, MGCP Packet sent ---> 
NTFY 173 aaln/S1/SU0/1@opt0-2611-1.ss.cisco.com MGCP 0.1 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 6 
O: L/hd

NTFY 173  

!--- This is the notify message sent to the call agent to report !--- the observed event. The notify sequence number is 173.

aaln/S1/SU0/1@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID.
 
MGCP 0.1  

!--- The MGCP version is 0.1.
 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 6  

!--- The request ID is 6. 

O: L/hd  

!--- The observed (O) event off-hook (hd) is detected with use of !--- line (L) package.

MGCP Packet received - 
200 173 OK

200 173 OK  

!--- This received acknowledgement states that NTFY sequence !--- 173 was executed normally.

MGCP Packet received - 
MDCX 31 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
I: 1D 
C: 2 
M: sendrecv

MDCX 27 

!--- This is the modify connection (MDCX) message received from the call agent. !--- The sequence number is 27.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com  

!--- This is the MGCP endpoint ID. !--- Note: This is the calling party. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

I: 1D  

!--- The connection identification number is 1D. !--- Note: This is for the calling leg. 

C: 2  

!--- The call identification number (C) is 2. !--- Note: This is NOT the callerid.

M: sendrecv  

!--- The connection mode (M) is a two-way send and receive at this point, !--- which allows full conversation.

send_mgcp_msg, MGCP Packet sent ---> 
200 31 OK

200 31 OK  

!--- This sent acknowledgement states that MDCX sequence !--- 31 was executed normally.

MGCP Packet received - 
RQNT 32 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 5 
R: L/hu(N),L/hf(N) 
S: 

RQNT 32  

!--- This is the notification request message sent from the call agent to !--- report the observed event. The sequence number is 32.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427

!--- This is the notified entity ID with destination port number. 

X: 5  

!--- The request ID (X) is 5. 

R: L/hu(N),L/hf(N)

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) or hook flash (hf) condition exists. 

S: 

!--- The call agent sends a signaling request (S) to have this !--- gateway signal nothing, thereby stopping the !--- playout of the ring-back tone (rt).

send_mgcp_msg, MGCP Packet sent ---> 
200 32 OK

200 32 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 32 was executed normally.

MGCP Packet received - 
CRCX 36 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
C: 3 
L: p:10-20, a:PCMU;PCMA,  e:off,  s:off, t:a0, nt:IN 
M: inactive 
v=0 
o=- 3 0 IN IP4 13.200.2.7 
s=Cisco SDP 0 
c=IN IP4  13.200.2.7 
t=0 0 
m=audio 16388 RTP/AVP 0 8 

CRCX 36  

!--- The create connection (CRCX) message is received from the call agent. !--- The sequence number is 26. !--- This is a new call coming from another endpoint. 

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com  

!--- This is the MGCP endpoint ID. !--- Note: This is the called party. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

C: 3  

!--- The call identification number (C) is 3. !--- Note: This is NOT the callerid.


!--- This is a new incoming call. 

L: p:10-20  

!--- This local connection option (L) requests a packetization !--- period (p) of 10 or 20 milliseconds. 

a:PCMU;PCMA, 

!--- The compression algorithm (a) options are: u-law PCM or a-law PCM. 

e:off,  s:off,  

!--- The call agent has set both echo cancellation (e) and !--- silence suppression (s), also known as VAD, to disabled. 

t:a0 

!--- The IP header type of service (t) byte for this call is !--- hexadecimal a0, which indicates IP precedence of 5 and !--- minimized delay. 

M: inactive 

!--- The connection mode (M) is inactive, which tells the gateway to !--- neither send nor receive packets on this connection. 

v=0  

!--- The SDP version is 0. 

o=- 3 0 IN IP4 13.200.2.7 

!--- The origin (o) field indicates that no user ids are used via (-). !--- The session ID is 3 and the version of this announcement is 0. !--- An Internet (IN) IP version 4 destination address !--- of 13.200.2.7 is also specified. 

s=Cisco SDP 0  

!--- The session name (s) is "Cisco SDP 0". 

c=IN IP4 13.200.2.7  

!--- The connection data (c) field specifies an Internet (IN) !--- IP version 4 destination address of 13.200.2.7. 

t=0 0 

!--- The (t) represents the start (0) and stop (0) times for this !--- call instance. When both start and stop are 0, the call !--- is considered permanent. 

m=audio 16388 RTP/AVP 0 8  

!--- The SDP media description (m) specifies a media type of audio, !--- destination UDP port 16388 for voice-bearer traffic, !--- and RTP encapsulation using AVP !--- with RTP payload type of 0 or 8. 

send_mgcp_msg, MGCP Packet sent ---> 
200 36  
I: 1F 
v=0 
o=- 2 0 IN IP4 13.200.2.6 
s=Cisco SDP 0 
c=IN IP4 13.200.2.6 
t=0 0 
m=audio 16390 RTP/AVP 0 

200 36  

!--- This sent acknowledgement states that CRCX sequence !--- 36 was executed normally. 

I: 1F 

!--- The connection identification number is 1F. !--- Note: This is for the called leg of the second call. 

v=0 

!--- The SDP version is 0. 

o=- 2 0 IN IP4 13.200.2.6 

!--- The origin (o) field indicates that no user IDs are used via (-). !--- The session ID is 2 and the version of this announcement is 0. !--- An Internet (IN) IP version 4 source address of 13.200.2.6 !--- is also specified. 

s=Cisco SDP 0 

!--- The session name (s) is "Cisco SDP 0". 

c=IN IP4 13.200.2.6 

!--- The connection data (c) field specifies an Internet (IN) !--- IP version 4 source address of 13.200.2.6. 

t=0 0  

!--- The (t) represents the start (0) and stop (0) times for this !--- call instance. When both start and stop are 0, the !--- call is considered permanent. 

m=audio 16390 RTP/AVP 0 

!--- The SDP media description (m) specifies a media type of audio, !--- destination UDP port 16390 for voice-bearer traffic, and RTP !--- encapsulation using AVP with RTP payload type of 0. 

MGCP Packet received - 
RQNT 38 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 5 
R: L/hu(N),L/hf(N) 
S: L/wt

RQNT 38  

!--- The notification request message is sent from the call agent !--- to report the observed event. The sequence number is 38.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427

!--- This is the notified entity ID with destination port number. 

X: 5  

!--- The request ID (X) is 5. 

R: L/hu(N),L/hf(N) 

!--- The call agent requests (R) to be notified (N) !--- immediately that an on-hook (hu) or hook flash (hf) !--- condition exists. 

S: L/wt 

!--- The call agent sends a signaling request (S) to have this !--- gateway use the line (L) package and play the call !--- waiting tone (wt).

send_mgcp_msg, MGCP Packet sent ---> 
200 38 OK

200 38 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 38 was executed normally.

send_mgcp_msg, MGCP Packet sent ---> 
NTFY 174 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 5 
O: L/hf

NTFY 174  

!--- This is the notify message sent to the call agent to report !--- the observed event. The notify sequence number is 174.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 5 

!--- The request ID is 5. 

O: L/hf 

!--- The observed (O) event hook flash (hf) is detected with use of line (L) !--- package.

MGCP Packet received - 
200 174 OK

200 174 OK  

!--- The received acknowledgement states that NTFY sequence !--- 174 was executed normally.

MGCP Packet received - 
RQNT 40 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 5 
R: L/hu(N),L/hf(N) 
S: 

RQNT 40 

!--- This is the notification request message sent from the call agent !--- to report the observed event. The sequence number is 40.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1 

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427

!--- This is the notified entity ID with destination port number. 

X: 5  

!--- The request ID (X) is 5. 

R: L/hu(N),L/hf(N) 

!--- The call agent requests (R) to be notified (N) !--- immediately that an on-hook (hu) or hook flash (hf) !--- condition exists. 

S: 

!--- The call agent sends a signaling request (S) to have this !--- gateway signal nothing, which stops the playout of !--- the call waiting tone (wt).

send_mgcp_msg, MGCP Packet sent ---> 
200 40 OK

200 40 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 40 was executed normally.

MGCP Packet received - 
MDCX 41 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
I: 1D 
C: 2 
M: inactive

MDCX 41  

!--- This is the modify connection (MDCX) message received !--- from the call agent. The sequence number is 41.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com  

!--- This is the MGCP endpoint ID. !--- Note: This is the calling party. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

I: 1D 

!--- The connection identification number is 1D. !--- Note: This is for the calling leg of the first call. 

C: 2  

!--- The call identification number (C) is 2. !--- Note: This is NOT the callerid.

M: inactive  

!--- The connection mode (M) is inactive, which tells the gateway !--- to neither send nor receive packets on this connection.

send_mgcp_msg, MGCP Packet sent ---> 
200 41 OK

200 41 OK  

!--- This received acknowledgement states that MDCX sequence !--- 41 was executed normally.

MGCP Packet received - 
MDCX 42 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
I: 1F 
C: 3 
M: sendrecv

MDCX 42  

!--- The modify connection (MDCX) message is received from the call agent. !--- The sequence number is 42.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com  

!--- This is the MGCP endpoint ID. !--- Note: This is the second called party. 

MGCP 0.1  

!--- The MGCP version is 0.1.
. 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

I: 1F  

!--- The connection identification number is 1F. !--- Note: This is for the called leg of the second call.
 
C: 3 

!--- The call identification number (C) is 3. !--- Note: This is NOT the callerid.
 
M: sendrecv 

!--- The connection mode (M) is a two-way send and receive at this point, !--- which allows full conversation.

send_mgcp_msg, MGCP Packet sent ---> 
200 42 OK

200 42 OK  

!--- This received acknowledgement states that MDCX sequence !--- 42 was executed normally.

send_mgcp_msg, MGCP Packet sent ---> 
NTFY 175 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 5 
O: L/hf

NTFY 175  

!--- The notify message is sent to the call agent to report !--- the observed event. The notify sequence number is 175.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427  

!--- This is the notified entity ID with destination port number. 

X: 5  

!--- The request ID is 5. 

O: L/hf  

!--- The observed event (O) hook flash (hf) is detected with use of line (L) !--- package.

MGCP Packet received - 
200 175 OK

200 175 OK  

!--- This received acknowledgement states that NTFY sequence !--- 175 was executed normally.

MGCP Packet received - 
RQNT 45 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 5 
R: L/hu(N),L/hf(N) 
S: 

RQNT 45  

!--- The notification request message is sent from the call agent to !--- report the observed event. The sequence number is 45.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID.
 
MGCP 0.1  

!--- The MGCP version is 0.1.
 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427

!--- This is the notified entity ID with destination port number.
 
X: 5  

!--- The request ID (X) is 5. 

R: L/hu(N),L/hf(N) 

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) or hook flash (hf) condition exists. 

S: 

!--- The call agent sends a signaling request (S) to have this !--- gateway signal nothing to the endpoint.

send_mgcp_msg, MGCP Packet sent ---> 
200 45 OK

200 45 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 45 was executed normally.

MGCP Packet received - 
MDCX 46 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
I: 1F 
C: 3 
M: inactive

MDCX 46  

!--- The modify connection (MDCX) message is received from the call agent. !--- The sequence number is 46.

aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com  

!--- This is the MGCP endpoint ID. !--- Note: This is the called party. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

I: 1F  

!--- The connection identification number is 1F. !--- Note: This is for the called leg of the second call.
 
C: 3 

!--- The call identification number (C) is 3. !--- Note: This is NOT the callerid.
 
M: inactive  

!--- The connection mode (M) is inactive, which tells the gateway to neither !--- send nor receive packets on this connection.

send_mgcp_msg, MGCP Packet sent ---> 
200 46 OK

200 46 OK  

!--- This received acknowledgement states that MDCX sequence !--- 46 was executed normally.

MGCP Packet received - 
MDCX 47 aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
I: 1D 
C: 2 
M: sendrecv

MDCX 47  

!--- The modify connection (MDCX) message is received from the call agent. !--- The sequence number is 47.
 
aaln/S1/SU0/0@opt0-2611-1.ss.cisco.com  

!--- This is the MGCP endpoint ID. !--- Note: This is the first calling party. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

I: 1D 

!--- The connection identification number is 1D. !--- Note: This is for the calling leg of the first call. 

C: 2  

!--- The call identification number (C) is 2. !--- Note: This is NOT the callerid.

M: sendrecv 

!--- The connection mode (M) is a two-way send and receive at this !--- point, which allows full conversation.

send_mgcp_msg, MGCP Packet sent ---> 
200 47 OK

200 47 OK  

!--- The received acknowledgement states that MDCX sequence !--- 47 was executed normally.

send_mgcp_msg, MGCP Packet sent ---> 
NTFY 86 aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com MGCP 0.1 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 8 
O: D/4720001

NTFY 86  

!--- This is the notify message sent to the call agent to report !--- the observed event. The notify sequence number is 86.
 
aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 8 

!--- The request ID is 8. 

O: D/4720001 

!--- The observed event (O) dialed digits (472-0001) is detected with use of !--- the DTMF (D) package.

MGCP Packet received - 
200 86 OK

200 86 OK  

!--- This received acknowledgement states that NTFY sequence !--- 86 was executed normally.

MGCP Packet received - 
RQNT 34 aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 8 
R: L/hu(N)

RQNT 34  

!--- This is the notification request message sent from the call agent !--- to report the observed event. The sequence number is 34.
 
aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com  

!--- This is the MGCP endpoint ID. 

MGCP 0.1   

!--- The MGCP version is 0.1.
 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427  

!--- This is the notified entity ID with destination port number. 

X: 8  

!--- The request ID is 8. 

R: L/hu(N)  

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) event occurs.

send_mgcp_msg, MGCP Packet sent ---> 
200 34 OK

200 34 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 34 was executed normally.

MGCP Packet received - 
CRCX 35 aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
C: 3 
L: p:10-20, a:PCMU;PCMA;G726-32,  e:off,  s:off, t:a0 
M: recvonly

CRCX 35  

!--- The create connection (CRCX) message is received from the call agent. !--- The sequence number is 35.

aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com  

!--- This is the MGCP endpoint ID. !--- Note: This is the calling party. 

MGCP 0.1 

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

C: 3 

!--- The call identification number (C) is 3. !--- Note: This is NOT the callerid.

L: p:10-20  
!
!--- This local connection option (L) requests a packetization !--- period (p) of 10 or 20 milliseconds. 

a:PCMU;PCMA;G726-32,  

!--- The compression algorithm (a) options are: u-law pulse code modulation (PCM), !--- a-law,PCM, or 32 kbps G.726. 

e:off,  s:off, 

!--- The call agent has set both echo cancellation (e) and silence !--- suppression (s), also known as VAD, to disabled. 

t:a0 

!--- The IP header type of service (t) byte for this call is !--- hexadecimal a0, which indicates IP precedence of 5 and !--- minimized delay. 

M: recvonly  

!--- The connection mode (M) is a one-way receive at this point, until !--- the called party answers.

send_mgcp_msg, MGCP Packet sent ---> 
200 35  
I: 11 
v=0 
o=- 3 0 IN IP4 13.200.2.7 
s=Cisco SDP 0 
c=IN IP4 13.200.2.7 
t=0 0 
m=audio 16388 RTP/AVP 0 8 

200 35  

!--- This sent acknowledgement states that CRCX sequence !--- 36 was executed normally. 

I: 11  

!--- The connection identification number is 11. 

v=0 

!--- The session description protocol (SDP) version is 0. 

o=- 3 0 IN IP4 13.200.2.7 

!--- The origin (o) field indicates that no user IDs are used via (-). !--- The session ID is 3 and the version of this announcement is 0. !--- An Internet (IN) IP version 4 source address of !--- 13.200.2.7 is also specified. 

s=Cisco SDP 0  

!--- The session name (s) is "Cisco SDP 0". 

c=IN IP4 13.200.2.7  

!--- The connection data (c) field specifies an Internet (IN) !--- IP version 4 source address of 13.200.2.7. 

t=0 0 

!--- The (t) represents the start (0) and stop (0) times for this !--- call instance. When both start and stop are 0, the call !--- is considered permanent. 

m=audio 16388 RTP/AVP 0 8 

!--- The SDP media description (m) specifies a media type of audio, !--- destination User Datagram Protocol (UDP) port 16388 for voice-bearer traffic, !--- and Real-Time Transport Protocol (RTP) encapsulation using !--- audio video profile (AVP) with RTP payload type of 0 or 8.
 

MGCP Packet received - 
MDCX 37 aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
I: 11 
C: 3 
M: recvonly 
v=0 
o=- 2 0 IN IP4 13.200.2.6 
s=Cisco SDP 0 
c=IN IP4  13.200.2.6 
t=0 0 
m=audio 16390 RTP/AVP 0 

MDCX 37  

!--- This modify connection (MDCX) message is received from the call agent. !--- The sequence number is 37.

aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com  

!--- This is the MGCP endpoint ID. !--- Note: This is the calling party. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

I: 11 

!--- The connection identification number is 11. !--- Note: This is for the calling leg. 

C: 3  

!--- The call identification number (C) is 3. !--- Note: This is the calling party.
 
M: recvonly  

!--- The connection mode (M) is a one-way receive at this point, !--- until the called party answers. 

v=0  

!--- The SDP version is 0. 

o=- 2 0 IN IP4 13.200.2.6  

!--- The origin (o) field indicates that no user IDs are used via (-). !--- The session ID is 2 and the version of this announcement is 0. !--- An Internet (IN) IP version 4 destination address of !--- 13.200.2.6 is also specified. 

s=Cisco SDP 0  

!--- The session name (s) is "Cisco SDP 0".
 
c=IN IP4 13.200.2.6  

!--- The connection data (c) field specifies an Internet (IN) !--- IP version 4 destination address of 13.200.2.6. 

t=0 0 

!--- The (t) represents the start (0) and stop (0) times for !--- this call instance. When both start and stop are 0, !--- the call is considered permanent. 

m=audio 16390 RTP/AVP 0  

!--- The SDP media description (m) specifies a media type of audio, !--- destination UDP port 16390 for voice-bearer traffic, and !--- RTP encapsulation using AVP with RTP payload type of 0. 

send_mgcp_msg, MGCP Packet sent ---> 
200 37 OK

200 37 OK  

!--- This received acknowledgement states that MDCX sequence !--- 37 was executed normally.

MGCP Packet received - 
RQNT 39 aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 8 
R: L/hu(N) 
S: G/rt

RQNT 39  

!--- This is the notification request message sent from the call agent !--- to report the observed event. The sequence number is 39.

aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427

!--- This is the notified entity ID with destination port number.
 
X: 8  

!--- The request ID is 8. 

R: L/hu(N) 

!--- The call agent requests (R) to be notified (N) !--- immediately that an on-hook (hu) condition exists. 

S: G/rt  

!--- The call agent sends a signaling request (S) to have this !--- gateway use the generic (G) package and generate a ring-back tone.

send_mgcp_msg, MGCP Packet sent ---> 
200 39 OK

200 39 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 39 was executed normally.

MGCP Packet received - 
MDCX 43 aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
I: 11 
C: 3 
M: sendrecv

MDCX 43  

!--- This modify connection (MDCX) message is received from !--- the call agent. The sequence number is 43.

aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com  

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number.
 
I: 11  

!--- The connection identification number is 11. 

C: 3 

!--- The call identification number (C) is 3. !--- Note: This is NOT the callerid.
 
M: sendrecv  

!--- The connection mode (M) is a two-way send and receive at this point, !--- which allows full conversation. 

send_mgcp_msg, MGCP Packet sent ---> 
200 43 OK

200 43 OK  

!--- This received acknowledgement states that MDCX sequence !--- 43 was executed normally.

MGCP Packet received - 
RQNT 44 aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com MGCP 0.1  
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 8 
R: L/hu(N),L/hf(N) 
S: 

RQNT 44  

!--- This is the notification request message sent from the call agent to !--- report the observed event. The sequence number is 44.

aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 

!--- This is the notified entity ID with destination port number. 

X: 8  

!--- This request ID (X) is 8. 

R: L/hu(N),L/hf(N) 

!--- The call agent requests (R) to be notified (N) immediately !--- that an on-hook (hu) or hook flash (hf) condition exists. 

S: 

!--- The call agent sends a signaling request (S) to have this !--- gateway signal nothing, which stops the playout of !--- the ring-back tone (rt).

send_mgcp_msg, MGCP Packet sent ---> 
200 44 OK

200 44 OK  

!--- This sent acknowledgement states that RQNT sequence !--- 44 was executed normally.

send_mgcp_msg, MGCP Packet sent ---> 
NTFY 87 aaln/S1/SU0/1@opt0-2611-2.ss.cisco.com MGCP 0.1 
N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427 
X: 8 
O: L/hu

NTFY 87  

!--- This is the notify message sent to the call agent to report !--- the observed event. The notify sequence number is 87.

aaln/S1/SU0/1@opt0-2611-1.ss.cisco.com 

!--- This is the MGCP endpoint ID. 

MGCP 0.1  

!--- The MGCP version is 0.1. 

N: mgcp.ss-rtp-opt0CA.ss.cisco.com:2427  

!--- This is the notified entity ID with destination port number. 

X: 8  

!--- The request ID is 8. 

O: L/hd  

!--- The observed event (O) off-hook (hd) is detected with use of !--- line (L) package.

MGCP Packet received - 
200 87 OK

200 87 OK  

!--- This received acknowledgement states that NTFY sequence !--- 87 was executed normally.