Troubleshooting Tips - Cisco CP-7911G-CH1 System Administrator Manual

Integrating Voice Mail with Cisco Unified SRST
DETAILED STEPS
Command or Action
Step 1
dial-peer voice tag voip
Example:
Router(config)# dial-peer voice 2 voip
Step 2
dtmf-relay sip-notify
Example:
Router(config-dial-peer)# dtmf-relay sip-notify
Step 3
exit
Example:
Router(config-dial-peer)# exit
Step 4
sip-ua
Example:
Router(config)# sip-ua
Step 5
notify telephone-event max-duration time
Example:
Router(config-sip-ua)# notify telephone-event
max-duration 2000
Step 6
exit
Example:
Router(config-sip-ua)# exit

Troubleshooting Tips

The show sip-ua status command output displays the time interval between consecutive NOTIFY
messages for a telephone event. In the following example, the time interval is 2000 ms:
Router# show sip-ua status
SIP User Agent Status
SIP User Agent for UDP :ENABLED
SIP User Agent for TCP :ENABLED
SIP User Agent bind status(signaling):DISABLED
SIP User Agent bind status(media):DISABLED
SIP early-media for 180 responses with SDP:ENABLED
SIP max-forwards :6
SIP DNS SRV version:2 (rfc 2782)
NAT Settings for the SIP-UA
Role in SDP:NONE
Check media source packets:DISABLED
Maximum duration for a telephone-event in NOTIFYs:2000 ms
SIP support for ISDN SUSPEND/RESUME:ENABLED
OL-13143-04
How to Configure DTMF Relay for SIP Applications and Voice Mail
Purpose
Enters dial-peer configuration mode.
Forwards DTMF tones using SIP NOTIFY messages.
Exits dial-peer configuration mode.
Enables SIP user-agent configuration mode.
Configures the maximum time interval allowed
between two consecutive NOTIFY messages for a
single DTMF event.
• max-duration time: Time interval between
consecutive NOTIFY messages for a single
DTMF event, in milliseconds. Range is from 500
to 3000. Default is 2000.
Exits SIP user-agent configuration mode.
Cisco Unified SCCP and SIP SRST System Administrator Guide
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