Table Of Contents
A - B - C - D - E - F - G - H - I - L - M - N - O - P - Q - R - S - T - U - V - Z
Index
A
AAA
call tracking 59
configuring 57
RADIUS 163
aaa accounting command 169
aaa accounting connection h323 command 169
aaa authentication login command 164, 167
aaa new-model command 164, 167
access-list command 181, 209, 214
ACF 16
additive registration 101
address resolution 152
admission confirmation
admission reject
admission request
advertise command 81
alerting 25
alias static command 162
additional routes 219
alternate gatekeeper 14
configuration (example) 123
configuration verification 67
ecosystem gatekeeper interoperability 36
load balancing 15
restrictions 65
alternate-gatekeeper 65
AltGKInfo
in GRJ messages 37
in RRJ messages 37
Annex G
border element
gateways 79
configuring 77
gateways 77
implementation, H.225 82
restrictions 83
verification 86
answer supervision reporting 35
application-specific routing
ARJ 148
arq reject-resource-low command 149
ASR 201
authentication, authorization, and accounting
B
bandwidth check-destination command 149
bandwidth management 93
BE 82
billing
gateway-to-gatekeeper 36
billing b-channel command 109
BIND
RAS text record (example) 150
border element
Annex G 82
border elements
C
CAC 108
cache command 80
call admission control
call application command 64
call application voice command 9
call deflection
H.450.3
description 34
call forward 31
call forwarding
H.450.2
call forwarding 34
call preservation for H.323 VoIP calls 111
call preserve command 112
call-router h323-annexg command 80, 85
call signal address
Call Status Tracking 228
call termination 17
call model 18
call tracking
AAA 59
H.450.2 34
software restrictions 10
carrier-based routing
without GKTMP server 219
CAT 173
Cisco access token
clear h323 gatekeeper call command 195
clear h323 gatekeeper endpoint command 226
clear h323 gatekeeper statistics command 39, 40
clear h323 gateway command 27
codec
negotiation, description 32
supported 32
codec command 71
codec preference command 74
codecs
configuring 74
co-edge proxy
ASR
configuration (example) 245
configuration (example) 245, 250
concurrent calls
H.225
concurrent call 89
conference call
MCU 12
configuration
RAS
retries, timers 52
usage indication 85
configuration examples
H.323 gateways 119
configuring
AAA and RADIUS 163
alternate-gatekeeper 65
Annex G 77
border element 215
Cisco access tokens 177
codecs 74
collection of alternate endpoints 223
destination zones 148
dialing prefix for each gateway 185
disable IRQ requests 227
domain zones, passwords 176
DTMF relay 69
dynamic zone prefix registration 102
E.164 routing
inter-zone 182
endpoint-based call-capacity management 225
endpoints 217
forced disconnect on a gatekeeper 195
gatekeeper proxied access
inbound or outbound 193
gatekeeper-to-gatekeeper authentication 177
gatekeeper with external applications 186
GTD
dial-peer 97
system-wide 96
H.323 proxy server 196
intergatekeeper communication 149
IP access list 180
IP-access-list security 182
IRR periodic intervals 228
IRR Timer 227
ISDN B-Channel ID 108
limit the number of concurrent calls 89
load balancing and alternate gatekeepers 155
QOS
multimedia backbone network 201
proxy with ASR 205
proxy without ASR 203
QoS 200
RADIUS, TACACS 163
RADIUS/AAA server 167
registration and call rejection 191
remote cluster 157
remote security server 168
retry timer for failed GKTMP server 190
rotary calling pattern 75
security and authentication 170
sending of nonavailability information 224
sequential LRQ enhancement 231
sequential LRQs 229
sequential LRQ timer 232
server flow control 187
SETUP response timeout value 88
signal ISDN B-Channel ID 109
static nodes 161
tokenless call authorization 180
tokens 177
trunk-based and carrier-based routing 108
VoIP transport method 93
zone bandwidth management 93
zone prefix 183
configuring dial-peers
associating voice class 87
CSA 29
D
debug cch323 command 28
debug gatekeeper servers command 110
debug h225 asn1 command 52
debug ras command 52
destination-pattern command 50, 51, 64, 71
dial-peer command 184
dial-peer voice command 51, 64, 70, 75, 88, 98
digital-signal-level 0
digital-signal-processor
disable IRQ requests 229
disengage confirmation
DNS 149
domain-name command 84
Domain Name System
DS0
channels 55
DSP
channels 55
DTMF (Dual Tone Multi-Frequency) relay
fast connect, H.245 tunneling 69
DTMF relay
configuration (example) 124
types 68
dtmf-relay h245-alphanumeric command 69, 72
dtmf-relay h245-signal command 69, 72
DTMF tones
NTE 68
dual-tone multifrequency
dynamic zone prefix registration 101
E
E.164 addresses 183
registration 56
ecosystem gatekeeper interoperability
description 36
software restrictions 10
empty capabilities set
H.245 33
emulate cisco h323 bandwidth command 94
endpoint alt-ep collect command 223
endpoint alt-ep h323id command 217, 222
endpoint circuit-id h323id command 220
endpoint max-calls h323id command 225, 252
endpoint resource-threshold onset command 221, 225
F
fast connect
H.245 17
H.323 Version 2
description 17
firewall
proxy and NAT 199
firewalls, H.323 proxy 198
forcing endpoint unregistration
configuring 225
Foreign Exchange Station
FXS
hookflash relay
configuring 72
G
gatekeeper 218
additional references 254
border element 215
discovery 15
forced disconnect 195
gateway selection process 142
GKTMP server flow control 187
IRQ request, disable 229
registration 15
security 18
settlement 59
zone
description 15
zones 141
gatekeeper command 81, 144, 149, 161, 165, 169, 185, 193
gatekeeper confirmation
gatekeeper-management statistics, description 38
gatekeeper rejection
gatekeepers
access tokens
configuration (examples) 239
alias registration 151
border element 15
clustering 65
co-edge proxy (examples) 245
communication
interzone 153
configuring
HSRP 141
zone and subnet 142
defining one zone
configuration (example) 235
E.164 interzone routing
configuration (examples) 240
endpoint
configuration (examples) 251
endpoint identification 163
HSRP
configuration (example) 234
interaction with external applications
configuration (examples) 242
IRR timer and IRQ request
configuration (examples) 253
load balancing 155
multiple zones
configuration (example) 235
proxy outbound calls
configuration (example) 244
proxy removing
configuration (example) 244
proxy use
configuration (examples) 243
RCF message 152
redundant zone prefix
configuration (example) 237
RRJ message 152
RRQ message 151
secure communication 60
security and authentication
configuration (examples) 237
sequential LRQ
configuration (example) 253
static node 161
terminal name registration 151
tokenless call authorization
configuration (examples) 240
Gatekeeper Transaction Message Protocol
gateway
call termination 17
H.325 security 62
local zone
ARJ message 148
ARQ message 148
LRJ message 148
source IP address 77
gateways
additional references 135
Annex G 77
calling different area codes 186
codec negotiation 32
configuration
interface 44
RAS 49
gateway security
configuration 58
GTD for GKTMP using SS7 Interconnect for Voice 94
H.225 signal overlap 90
hookflash relay 72
network-based billing number 35
prerequisite tasks 43
redirect number information tunnel 29
resource availability reporting
description 55
selection process 142
verification
alternate gatekeeper configuration 67
gateway interface configuration 46
gateway security configuration 64
RAS configuration 51
gateway security
configuration 58
gateway-to-gatekeeper billing redundancy 36
gateway zone prefix registration
configuration (example) 127
GKTMP
messages 15
GKTMP (Gatekeeper Transaction Message Protocol), RAS messages
configuration (example) 245
GTD payload dial-peer
configuration (example) 126
GTD payload system-wide
configuration (example) 126
gw-type-prefix command 155, 183, 184, 185
H
H.225
Annex G 82
idle timer for concurrent calls 89
signal overlap 90
H.323 terminating gateway 90
H.225 Annex-G
configuration (example) 125
H.225 setup messages 16
H.235
accounting and security enhancements
for Cisco gateways 58
gateway security 62
configuration (example) 123
security
configuration (example) 244
H.245
capabilities 26
capabilities messages 68
capability exchange 32
empty capabilities set 33
software restrictions 9
tunneling 69
DTMF relay with fast connect 69
H.323
Annex G 78
authenticate via RADIUS 163
call redirection
call forward 31
call transfer 31
route call to gatekeeper 30
call setup 16
H.225 setup 16
dynamic access control 198
gatekeeper 13
gateways
protocol conversion 13
H.323 VoIP call preservation enhancements for WAN link failures 111
network components 11
proxy 13
co-edge mode 197
inside the firewall 197
proxy server, configuring 196
signaling enhancement
software restrictions 9
terminal 12
trunk ID group
RAS 217
tunneling
OCN IE 30
RDN IE 30
Version 1 11
Version 2 11
codec description 32
fast connect, description 17
fast connect, restrictions 9
hookflash relay 72
lightweight registration 34
OCN IE 30
RDN IE 30
software restrictions 8
Version 3 11
zone bandwidth management 93
Version 4 11
additive registration 101
dynamic zone prefix registration 101
OCN IE 30
RDN IE 30
zone prefix registration 100
Version4
H.225 SETUP message 30
voice class 87
H.323 call statistics
debug 26
H.323 gateway RAS
configuration (examples) 120
H.323 gateways
examples 119
H.323 gateway security
configuration (example) 121
H.323 network
configuring
prerequisites 7
restrictions 8
H.323 signaling
alerting 25
cut-through 26
description 25
overlap dialing 26
speech clipping 26
H.323 standards
VoIP features 10
H.323 support
virtual interfaces
configuration (examples) 125
H.323 Version 2
dialing prefix for each gateway 185
gatekeeper proxied access 193
gatekeeper with external applications 186
security 18
H.450.2
call transfer 34
H.450.3
call deflection
description 34
h225 signal overlap command 91
h225 timeout setup command 88
h225 timeout t302 command 91
h225 timeout tcp call-idle command 90
h323 asr command 202, 207, 213
h323 gatekeeper command 204, 207, 212
h323-gateway voip bind command 76
h323-gateway voip bind srcaddr command 125
h323-gateway voip h323-id command 67
h323-gateway voip id command 66
h323-gateway voip interface command 66
h323 h323-id command 204, 207, 212
h323 interface command 202, 204, 207, 212
h323 qos command 204, 207, 213
hookflash
relay, description 72
hookflash relay
FXS
configuring 72
hopcount command 81
Hot Standby Router Protocol
HSRP 141
I
id command 80
IE 29
in-band tones 56
inbound ttl command 84
incoming-called-number command 32
Information Element
information request
iNow profile
IP Telephony 82
inside-edge proxy
configuration (example) 248
Inter-domain gatekeeper security
call flow 172
interface command 76, 204, 206, 207, 208, 212, 213, 214
interzone ClearToken
ip access-group command 210, 215
ip address command 207, 208, 212, 213
ip domain-name command 150
ip name-server command 150
IP precedence 200
ip route-cache command 205
irq global-request command 229
IRR 35
ISDN B-Channel 108
ISDN B-channel
configuration example 131
isdn gateway-max-internetworking command 57
IVR
scripts 61
IZCT 170
L
lightweight registration 34
registration request message 34
time-to-live value 34
load-balance command 156
local ip command 80
location request reject
logging console command 181
LRJ 148
LRQ authentication
call flow
successful 174
unsuccessful 175
lrq lrj immediate-advance command 230, 231
lrq reject-resource-low command 220, 224, 252
M
MCU 12
conference call 12
multimedia conference call
configuring (example) 201
multiple codecs
configuration (example) 124
configuring 74
multiple control unit
multizone, description 32
N
Named Telephone Events
NAT 198
NAT, H.323 proxy 199
Network Address Translation
network-based billing number
gateway support 35
no shutdown command 81
NTE 68
DTMF relay 68
O
OCN 29
Original Called Number
outbound retry-interval command 84
overlap dialing 26
P
payload types 69
PI
alerting messages 56
preservation, call preservation for H.323 VoIP 111
progress_ind command 56
progress indicator
proxy
access control 197
application-specific routing
description 201
ASR 201
configuration (examples) 243
enabling one type of routing protocol 205
enabling two different autonomous system 211
co-edge mode 197
co-edge with subnetting
configuration (example) 246
configuration (example) 249
forwarding H.323 packets 202
H.323 multimedia backbone, configuring 201
inside-edge
ASR configuration (example) 248
network address translation 199
prohibiting for inbound calls
configuration (example) 245
QoS, configuring 249
security 196
with ASR 205
without ASR 203
proxy h323 command 203, 206, 212
Q
Q.931 IE 30
QoS 200
ASR 201
H.323 proxy
configuration (example) 249
Quality of Service
query-interval command 80
R
RADIUS
user accounting
configuring 168
RADIUS, TACACS+
H.323 login authentication 163
multimedia conference calls 163
RADIUS/AAA server
configuring 167
RADIUS server
billing 15
radius-server deadtime command 167
radius-server host command 165, 167
radius-server key command 165, 168
RAI 55
dial-peer configuration
troubleshooting 52
retires, timers 52
verification 51
RAS (registration, admission, and status protocol)
BIND text record (example) 150
ras command 150
RAS messages
multizone 32
ras retry command 52
ras rrq ttl command 52
ras timeout command 52
RDN 29
RDN or OCN IE
H.225 setup message 30
Redirecting Number
redirect number information tunnel, description 29
redundant H.323 zones 142
references 19
register e164 command 56
Registration, Admission, and Status
registration confirmation
registration rejection
registration request
relay
DTMF tones 68
remote zone
least-cost routing 15
req-qos command 17
request processing 153
resource availability 55
Resource Availability Indication
Resource Reservation Protocol
resource threshold command 56
restrictions
alternate-gatekeeper 65
Annex G 83
call transfer 10
gatekeeper-to-gatekeeper redundancy, load-sharing mechanism 154
H.323 signaling enhancement 9
H.323 Version 2 8
redundant H.323 zone support 142
source call signal address 9
retry interval command 86
retry timer for failed GKTMP server 190
retry window command 86
RIP (Routing Information Protocol)
configuring H.323 proxy 208
rotary calling pattern
configuration (example) 125
configuring 75
router rip command 208
S
security
endpoints and gatekeeper 18
H.235
configuration (example) 244
security acl answerarq command 182
security and authentication 170
restrictions 170
security command 166
security izct password command 173, 176
security password command 19, 63
security password-group command 178, 179
security token required-for command 19
security zone command 179
sequential LRQs 229
call flow 230
server absent reject command 192
server flow-control command 188
service-relationship command 84
session target ras command 51
session transport command 93
session transport tcp command 89
settlement
gatekeeper 59
show call-router status command 86
show gatekeeper calls command 196
show gatekeeper cluster command 160
show gatekeeper endpoints alternates command 222
show gatekeeper endpoints command 221
show gatekeeper performance statistics command 157
show gatekeeper performance stats command 39
show gatekeeper servers command 189, 191
show gatekeeper status cluster command 159
show gatekeeper status command 156, 189
show gatekeeper zone cluster command 159
show gatekeeper zone status command 159, 194
show h323 calls preserved command 112
show h323 gatekeeper statistics aggregate command 39
show h323 gateway command 28
show proxy h323 status command 160
shutdown command 147
signaling 25
signaling forward command 97, 98
signal ISDN B-channel ID
configuring 109
troubleshoot 110
signal ISDN B-Channel ID, description 108
source call signal address 28
sequence 29
source IP address
gateway
verification 77
T
technology prefix
call scenario 184
hop-off gateway 183
terminating endpoint
nonavailability information 220
timeout value 88
timer
concurrent calls 89
timer accessrequest sequential delay command 81
timer irr period command 229
timer lrq seq delay command 232
timer server retry command 190
timing command 73
timing hookflash-input command 73
timing hookflash-out command 72
tokenless call authorization 176
troubleshoot
gateway zone prefix registration 106
signal ISDN B-channel ID 110
troubleshooting
RAS
dial-peer configuration 52
ttl command 81
U
unregistration forcing 225
usage indication
configuration 85
usage-indication command 85
use-proxy command 146, 193, 194, 244
V
verification
access 194
access tokens 179
additive RRQ messages 105
advertisement
dynamic zone prefix registration 105
alternate gatekeeper 156
Annex G 86
disconnect 196
flow control 188
gateway interface configuration 46
gateway status 48
GTD 99
H.235 security 64
load balancing 156
RAS 51
registration and call rejection 192
remote clusters 159
sequential LRQ 232
source IP address 77
timer 191
unregistration 226
virtual interfaces
H.323 support 76
configuration (example) 125
voice class codec command 74
voice-class codec command 75
voice-class h323 command 88
Voice over IP
voice-port command 73
voice service voip command 89
VoIP
codec negotiation 32
gateway
resource availability reporting 55
hookflash relay 72
redirect number information tunnel 29
service
shut down, enable 46
submodes
shut down, enable 47
Z
zone cluster local command 155
zone cluster remote command 158
zone local command 144, 155, 158, 161, 185
zone prefix command 142, 145, 155, 157, 158, 183, 185
zone prefix registration 100
zone remote command 145, 151, 219
zones
accessing 193
gatekeeper 15
local gatekeeper 193
remote gatekeeper 193
routing between gateways 218