-
Voice Port Configuration Guide, Cisco IOS Release 12.4T
-
Voice Port Configuration Overview
-
Configuring Analog Voice Ports
-
Configuring Digital Voice Ports
-
Fine-Tuning Analog and Digital Voice Ports
-
Configuring Echo Cancellation
-
Configuring Hardware Echo Cancellation on T1 E1 Multiflex Voice WAN Interface Cards
-
NextPort-Based Voice Tuning and Echo Cancellation
-
Verifying Analog and Digital Voice-Port Configurations
-
Troubleshooting Analog and Digital Voice Port Configurations
-
Feedback
Contents
- Verifying Analog and Digital Voice-Port Configurations
- Finding Feature Information
- Information About Verifying Voice-Port Configurations
- How to Verify Voice-Port Configurations
- Examples
- show voice port summary Command Examples
- show voice port Command Examples
- show controller Command Examples
- show voice dsp Command Examples
- show voice call summary Command Examples
- show call active voice Command Example
- show call history voice Command Example
Verifying Analog and Digital Voice-Port Configurations
This chapter describes some basic procedures and specific CLI commands you can use to verify the set up and configuration of the analog and digital voice ports on the routers in your voice network.
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest feature information and caveats, see the release notes for your platform and software release. To find information about the features documented in this module, and to see a list of the releases in which each feature is supported, see the Feature Information Table at the end of this document.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support. To access Cisco Feature Navigator, go to www.cisco.com/go/cfn. An account on Cisco.com is not required.
Information About Verifying Voice-Port Configurations
After configuring the voice ports on your router, there are two simple verifications you can use to check the operation of the telephony handset. There are also eight CLI commands you can use to verify proper operation of the configuration.
How to Verify Voice-Port Configurations
To verify the operability of the analog and digital voice-port configurations on your voice network, complete the following tasks.
DETAILED STEPS
| Step 1 |
Check for a dial tone.
Pick up the handset of an attached telephony device and check for a dial tone. | |||||||||||||||||||||||||||||||||
| Step 2 |
Check for Dual-Tone Multifrequency (DTMF) detection.
If you have dial tone, check for DTMF detection. If the dial tone stops when you dial a digit, then the voice port is probably configured properly. | |||||||||||||||||||||||||||||||||
| Step 3 |
show
voice
port
summary
Use this command to identify the port numbers of voice interfaces installed in your router. For examples of the output, see the "Examples" section. | |||||||||||||||||||||||||||||||||
| Step 4 |
show
voice
port
Use this command to verify voice-port parameter settings. Refer to the table below for the appropriate syntax for your platform. For sample output, see the show voice port Command Examples.
| |||||||||||||||||||||||||||||||||
| Step 5 |
show
running-config
Use this command to verify the codec complexity setting for digital T1/E1 connections. If medium complexity is specified for the voice card, the codec complexity command is not displayed. If high complexity is specified, the codec complexity high command is displayed. The following example shows output when high complexity is specified: Example:
Router# show running-config
.
.
.
hostname router-alpha
voice-card 0
codec complexity high
.
.
.
| |||||||||||||||||||||||||||||||||
| Step 6 |
show
controller
Use this command to verify that the digital T1/E1 controller is up and that no alarms have been reported, and to display information about clock sources and other controller settings. For output examples, see the show controller Command Examples. Example: Router# show controller {t1 | e1 } controller-number | |||||||||||||||||||||||||||||||||
| Step 7 |
show
voice
dsp
Use this command to display voice-channel configuration information for all DSP channels. For output examples, see the show voice dsp Command Examples. Example:
Router# show voice dsp
| |||||||||||||||||||||||||||||||||
| Step 8 |
show
voice
call
summary
Use this command to verify the call status for all voice ports. For output examples, see the show voice call summary Command Examples. Example:
Router# show voice call summary
| |||||||||||||||||||||||||||||||||
| Step 9 |
show
call
active
voice
Use this command to display the contents of the active call table, which shows all of the calls currently connected through the router or concentrator. For output examples, see the show call active voice Command Example. Example:
Router# show call active voice
| |||||||||||||||||||||||||||||||||
| Step 10 |
show
call
history
voice
Use this command to display the contents of the call history table. To limit the display to the most recent calls connected through this router, use the last keyword and define the number of calls to display with the numberargument. To limit the display to a shortened version of the call history table, use the brief keyword. For output examples, see the show call history voice Command Example. Example: Router# show call history voice [last | number | brief |
Examples
This section contains output examples for the following commands on different platforms and for different configurations:
- show voice port summary Command Examples
- show voice port Command Examples
- show controller Command Examples
- show voice dsp Command Examples
- show voice call summary Command Examples
- show call active voice Command Example
- show call history voice Command Example
show voice port summary Command Examples
Cisco 3640 Router Analog Voice Port
The following output is from a Cisco 3640 router:
Router# show voice port summary
IN OUT
PORT CH SIG-TYPE ADMIN OPER STATUS STATUS EC
====== == ========== ===== ==== ======== ======== ==
2/0/0 -- e&m-wnk up dorm idle idle y
2/0/1 -- e&m-wnk up dorm idle idle y
2/1/0 -- fxs-ls up dorm on-hook idle y
2/1/1 -- fxs-ls up dorm on-hook idle y
Cisco MC3810 Digital Voice Port
The following output is from a Cisco MC3810:
Router# show voice port summary
IN OUT
PORT CH SIG-TYPE ADMIN OPER STATUS STATUS EC
====== == ========== ===== ==== ======== ======== ==
0:17 18 fxo-ls down down idle on-hook y
0:18 19 fxo-ls up dorm idle on-hook y
0:19 20 fxo-ls up dorm idle on-hook y
0:20 21 fxo-ls up dorm idle on-hook y
0:21 22 fxo-ls up dorm idle on-hook y
0:22 23 fxo-ls up dorm idle on-hook y
0:23 24 e&m-imd up dorm idle idle y
1/1 -- fxs-ls up dorm on-hook idle y
1/2 -- fxs-ls up dorm on-hook idle y
1/3 -- e&m-imd up dorm idle idle y
1/4 -- e&m-imd up dorm idle idle y
1/5 -- fxo-ls up dorm idle on-hook y
1/6 -- fxo-ls up dorm idle on-hook y
show voice port Command Examples
Cisco 3600 Series Router Analog EandM Voice Port
The following output is from a Cisco 3600 series router analog E&M voice port:
Router# show voice port 1/0 E&M Slot is 1, Sub-unit is 0, Port is 0 Type of VoicePort is E&M Operation State is unknown Administrative State is unknown The Interface Down Failure Cause is 0 Alias is NULL Noise Regeneration is disabled Non Linear Processing is disabled Music On Hold Threshold is Set to 0 dBm In Gain is Set to 0 dB Out Attenuation is Set to 0 dB Echo Cancellation is disabled Echo Cancel Coverage is set to 16ms Connection Mode is Normal Connection Number is Initial Time Out is set to 0 s Interdigit Time Out is set to 0 s Analog Info Follows: Region Tone is set for northamerica Currently processing none Maintenance Mode Set to None (not in mtc mode) Number of signaling protocol errors are 0 Voice card specific Info Follows: Signal Type is wink-start Operation Type is 2-wire Impedance is set to 600r Ohm E&M Type is unknown Dial Type is dtmf In Seizure is inactive Out Seizure is inactive Digit Duration Timing is set to 0 ms InterDigit Duration Timing is set to 0 ms Pulse Rate Timing is set to 0 pulses/second InterDigit Pulse Duration Timing is set to 0 ms Clear Wait Duration Timing is set to 0 ms Wink Wait Duration Timing is set to 0 ms Wink Duration Timing is set to 0 ms Delay Start Timing is set to 0 ms Delay Duration Timing is set to 0 ms
Cisco 3600 Series Router Analog FXS Voice Port
The following output is from a Cisco 3600 series router analog Foreign Exchange Service (FXS) voice port:
Router# show voice port 1 /2 Voice port 1/2 Slot is 1, Port is 2 Type of VoicePort is FXS Operation State is UP Administrative State is UP No Interface Down Failure Description is not set Noise Regeneration is enabled Non Linear Processing is enabled In Gain is Set to 0 dB Out Attenuation is Set to 0 dB Echo Cancellation is enabled Echo Cancel Coverage is set to 8 ms Connection Mode is normal Connection Number is not set Initial Time Out is set to 10 s Interdigit Time Out is set to 10 s Coder Type is g729ar8 Companding Type is u-law Voice Activity Detection is disabled Ringing Time Out is 180 s Wait Release Time Out is 30 s Nominal Playout Delay is 80 milliseconds Maximum Playout Delay is 160 milliseconds Analog Info Follows: Region Tone is set for northamerica Currently processing Voice Maintenance Mode Set to None (not in mtc mode) Number of signaling protocol errors are 0 Impedance is set to 600r Ohm Analog interface A-D gain offset = -3 dB Analog interface D-A gain offset = -3 dB Voice card specific Info Follows: Signal Type is loopStart Ring Frequency is 20 Hz Hook Status is On Hook Ring Active Status is inactive Ring Ground Status is inactive Tip Ground Status is active Digit Duration Timing is set to 100 ms InterDigit Duration Timing is set to 100 ms Ring Cadence are [20 40] * 100 msec InterDigit Pulse Duration Timing is set to 500 ms
Cisco 3600 Series Router Digital EandM Voice Port
The following output is from a Cisco 3600 series router digital E&M voice port:
Router# show voice port 1 /0:1 receEive and transMit Slot is 1, Sub-unit is 0, Port is 1 Type of VoicePort is E&M Operation State is DORMANT Administrative State is UP No Interface Down Failure Description is not set Noise Regeneration is enabled Non Linear Processing is enabled Music On Hold Threshold is Set to -38 dBm In Gain is Set to 0 dB Out Attenuation is Set to 0 dB Echo Cancellation is enabled Echo Cancel Coverage is set to 8 ms Connection Mode is normal Connection Number is not set Initial Time Out is set to 10 s Interdigit Time Out is set to 10 s Region Tone is set for US
Cisco AS5300 T1 CAS Voice Port
The following output is from a Cisco AS5300 T1 channel-associated signaling (CAS) voice port:
Router# show voice port
DS0 Group 1:0 - 1:0
Type of VoicePort is CAS
Operation State is DORMANT
Administrative State is UP
No Interface Down Failure
Description is not set
Noise Regeneration is enabled
Non Linear Processing is enabled
Music On Hold Threshold is Set to -38 dBm
In Gain is Set to 0 dB
Out Attenuation is Set to 0 dB
Echo Cancellation is enabled
Echo Cancel Coverage is set to 8 ms
Playout-delay Mode is set to default
Playout-delay Nominal is set to 60 ms
Playout-delay Maximum is set to 200 ms
Connection Mode is normal
Connection Number is not set
Initial Time Out is set to 10 s
Interdigit Time Out is set to 10 s
Call-Disconnect Time Out is set to 60 s
Ringing Time Out is set to 180 s
Companding Type is u-law
Region Tone is set for US
Wait Release Time Out is 30 s
Station name None, Station number None
Voice card specific Info Follows:
DS0 channel specific status info:
IN OUT
PORT CH SIG-TYPE OPER STATUS STATUS TIP RING
Cisco 7200 Series Router Digital EandM Voice Port
The following output is from a Cisco 7200 series router digital E&M voice port:
Router# show voice port 1 /0:1 receEive and transMit Slot is 1, Sub-unit is 0, Port is 1 << voice-port 1/0:1 Type of VoicePort is E&M Operation State is DORMANT Administrative State is UP No Interface Down Failure Description is not set Noise Regeneration is enabled Non Linear Processing is enabled Music On Hold Threshold is Set to -38 dBm In Gain is Set to 0 dB Out Attenuation is Set to 0 dB Echo Cancellation is enabled Echo Cancel Coverage is set to 8 ms Connection Mode is normal Connection Number is not set Initial Time Out is set to 10 s Interdigit Time Out is set to 10 s Region Tone is set for US
show controller Command Examples
Cisco 3600 Series Router T1 Controller
The following output is from a Cisco 3600 series router with a T1 controller:
Router# show controller T1 1/1/0
T1 1/0/0 is up.
Applique type is Channelized T1
Cablelength is long gain36 0db
No alarms detected.
alarm-trigger is not set
Framing is ESF, Line Code is B8ZS, Clock Source is Line.
Data in current interval (180 seconds elapsed):
0 Line Code Violations, 0 Path Code Violations
0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs
Cisco MC3810 E1 Controller
The following output is from a Cisco MC3810 with an E1 controller:
Router# show controller e1 1/0
E1 1/0 is up.
Applique type is Channelized E1
Cablelength is short 133
Description: E1 WIC card Alpha
No alarms detected.
Framing is CRC4, Line Code is HDB3, Clock Source is Line Primary.
Data in current interval (1 seconds elapsed):
0 Line Code Violations, 0 Path Code Violations
0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs
Cisco AS5800 T1 Controller
The following output is from a Cisco AS5800 with a T1 controller:
Router# show controller t1 2
T1 2 is up.
No alarms detected.
Version info of slot 0: HW: 2, Firmware: 16, PLD Rev: 0
Manufacture Cookie Info:
EEPROM Type 0x0001, EEPROM Version 0x01, Board ID 0x42,
Board Hardware Version 1.0, Item Number 73-2217-4,
Board Revision A0, Serial Number 06467665,
PLD/ISP Version 0.0, Manufacture Date 14-Nov-1997.
Framing is ESF, Line Code is B8ZS, Clock Source is Internal.
Data in current interval (269 seconds elapsed):
0 Line Code Violations, 0 Path Code Violations
0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs
show voice dsp Command Examples
Digital Voice Port on a Cisco 3640
The following output is from a Cisco 3640 router when a digital voice port is configured:
Router# show voice dsp TYPE DSP CH CODEC VERS STATE STATE RST AI PORT TS ABORT TX/RX-PAK-CNT ==== === == ======== ==== ===== ======= === == ======= == ===== =============== C549 010 00 g729r8 3.3 busy idle 0 0 1/015 1 0 67400/85384 01 g729r8 .8 busy idle 0 0 1/015 7 0 67566/83623 02 g729r8 busy idle 0 0 1/015 13 0 65675/81851 03 g729r8 busy idle 0 0 1/015 20 0 65530/83610 C549 011 00 g729r8 3.3 busy idle 0 0 1/015 2 0 66820/84799 01 g729r8 .8 busy idle 0 0 1/015 8 0 59028/66946 02 g729r8 busy idle 0 0 1/015 14 0 65591/81084 03 g729r8 busy idle 0 0 1/015 21 0 66336/82739 C549 012 00 g729r8 3.3 busy idle 0 0 1/015 3 0 59036/65245 01 g729r8 .8 busy idle 0 0 1/015 9 0 65826/81950 02 g729r8 busy idle 0 0 1/015 15 0 65606/80733 03 g729r8 busy idle 0 0 1/015 22 0 65577/83532 C549 013 00 g729r8 3.3 busy idle 0 0 1/015 4 0 67655/82974 01 g729r8 .8 busy idle 0 0 1/015 10 0 65647/82088 02 g729r8 busy idle 0 0 1/015 17 0 66366/80894 03 g729r8 busy idle 0 0 1/015 23 0 66339/82628 C549 014 00 g729r8 3.3 busy idle 0 0 1/015 5 0 68439/84677 01 g729r8 .8 busy idle 0 0 1/015 11 0 65664/81737 02 g729r8 busy idle 0 0 1/015 18 0 65607/81820 03 g729r8 busy idle 0 0 1/015 24 0 65589/83889 C549 015 00 g729r8 3.3 busy idle 0 0 1/015 6 0 66889/83331 01 g729r8 .8 busy idle 0 0 1/015 12 0 65690/81700 02 g729r8 busy idle 0 0 1/015 19 0 66422/82099 03 g729r8 busy idle 0 0 1/015 25 0 65566/83852 Router# show voice dsp TYPE DSP CH CODEC VERS STATE STATE RST AI PORT TS ABORT TX/RX-PAK-CNT ==== === == ======== ==== ===== ======= === == ======= == ===== =============== C549 007 00 {medium} 3.3 IDLE idle 0 0 1/0:1 4 0 0/0 .13 C549 008 00 {medium} 3.3 IDLE idle 0 0 1/0:1 5 0 0/0 .13 C549 009 00 {medium} 3.3 IDLE idle 0 0 1/0:1 6 0 0/0 .13 C549 010 00 {medium} 3.3 IDLE idle 0 0 1/0:1 7 0 0/0 .13 C549 011 00 {medium} 3.3 IDLE idle 0 0 1/0:1 8 0 0/0 .13 C549 012 00 {medium} 3.3 IDLE idle 0 0 1/0:1 9 0 0/0 .13 C542 001 01 g711ulaw 3.3 IDLE idle 0 0 2/0/0 0 512/519 .13 C542 002 01 g711ulaw 3.3 IDLE idle 0 0 2/0/1 0 505/502 .13 C542 003 01 g711alaw 3.3 IDLE idle 0 0 2/1/0 0 28756/28966 .13 C542 004 01 g711ulaw 3.3 IDLE idle 0 0 2/1/1 0 834/838 .13
show voice call summary Command Examples
Cisco MC3810 Analog Voice Port
The following output is from a Cisco MC3810:
Router# show voice call summary
PORT CODEC VAD VTSP STATE VPM STATE
========= ======== === ===================== ========================
1/1 g729r8 y S_CONNECT FXSLS_CONNECT
1/2 - - - FXSLS_ONHOOK
1/3 - - - EM_ONHOOK
1/4 - - - EM_ONHOOK
1/5 - - - FXOLS_ONHOOK
1/6 - - - FXOLS_ONHOOK
Cisco 3600 Series Router Digital Voice Port
The following output is from a Cisco 3600 series router:
Router# show voice call summary
PORT CODEC VAD VTSP STATE VPM STATE
========= ======== === ===================== ========================
1/015.1 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.2 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.3 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.4 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.5 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.6 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.7 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.8 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.9 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.10 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.11 g729r8 y S_CONNECT S_TSP_CONNECT
1/015.12 g729r8 y S_CONNECT S_TSP_CONNECT
show call active voice Command Example
Cisco 7200 Series Router
The following output is from a Cisco 7200 series router:
Router# show call active voice
GENERIC:
SetupTime=94523746 ms
Index=448
PeerAddress=##73072
PeerSubAddress=
PeerId=70000
PeerIfIndex=37
LogicalIfIndex=0
ConnectTime=94524043
DisconectTime=94546241
CallOrigin=1
ChargedUnits=0
InfoType=2
TransmitPackets=6251
TransmitBytes=125020
ReceivePackets=3300
ReceiveBytes=66000
VOIP:
ConnectionId[0x142E62FB 0x5C6705AF 0x0 0x385722B0]
RemoteIPAddress=172.16.235.18
RemoteUDPPort=16580
RoundTripDelay=29 ms
SelectedQoS=best-effort
tx_DtmfRelay=inband-voice
SessionProtocol=cisco
SessionTarget=ipv4:172.16.235.18
OnTimeRvPlayout=63690
GapFillWithSilence=0 ms
GapFillWithPrediction=180 ms
GapFillWithInterpolation=0 ms
GapFillWithRedundancy=0 ms
HiWaterPlayoutDelay=70 ms
LoWaterPlayoutDelay=30 ms
ReceiveDelay=40 ms
LostPackets=0 ms
EarlyPackets=1 ms
LatePackets=18 ms
VAD = disabled
CoderTypeRate=g729r8
CodecBytes=20
cvVoIPCallHistoryIcpif=0
SignalingType=cas
show call history voice Command Example
Cisco 7200 Series Router
The following output is from a Cisco 7200 series router:
Router# show call history voice
GENERIC:
SetupTime=94893250 ms
Index=450
PeerAddress=##52258
PeerSubAddress=
PeerId=50000
PeerIfIndex=35
LogicalIfIndex=0
DisconnectCause=10
DisconnectText=normal call clearing.
ConnectTime=94893780
DisconectTime=95015500
CallOrigin=1
ChargedUnits=0
InfoType=2
TransmitPackets=32258
TransmitBytes=645160
ReceivePackets=20061
ReceiveBytes=401220
VOIP:
ConnectionId[0x142E62FB 0x5C6705B3 0x0 0x388F851C]
RemoteIPAddress=172.16.235.18
RemoteUDPPort=16552
RoundTripDelay=23 ms
SelectedQoS=best-effort
tx_DtmfRelay=inband-voice
SessionProtocol=cisco
SessionTarget=ipv4:172.16.235.18
OnTimeRvPlayout=398000
GapFillWithSilence=0 ms
GapFillWithPrediction=1440 ms
GapFillWithInterpolation=0 ms
GapFillWithRedundancy=0 ms
HiWaterPlayoutDelay=97 ms
LoWaterPlayoutDelay=30 ms
ReceiveDelay=49 ms
LostPackets=1 ms
EarlyPackets=1 ms
LatePackets=132 ms
VAD = disabled
CoderTypeRate=g729r8
CodecBytes=20
cvVoIPCallHistoryIcpif=0
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1110R)
Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.