Specifications

5-5
Cisco Unity Express Voice-Mail and Auto-Attendant CLI Administrator Guide for 3.0 and Later Versions
OL-14010-09
Chapter 5 Configuring System Components
Configuring SIP Call Control Parameters
Examples
The following is example output of the show ccn subsystem sip command.
se-10-0-0-0# show ccn subsystem sip
SIP Gateway: 172.19.167.208
SIP Port Number: 5060
DTMF Relay: sip-notify rtp-nte
MWI Notification: outcall
Transfer Mode: blind (REFER)
SIP RFC Compliance: Pre-RFC3261
Configuring DTMF Options
The listed options are available for handling incoming and outgoing DTMF signals for SIP calls from
Cisco Unified CME and Cisco SRST mode.
Cisco Unity Express provides the following options for transferring DTMF signals for incoming and
outgoing SIP calls.
• rtp-nte—Uses the media path to relay incoming and outgoing DTMF signals.
To use the rtp-nte option, verify that the Cisco IOS SIP gateway is configured to use RTP-NTE for
SIP calls, as shown in the following example:
dial-peer voice 1000 voip
destination-pattern 6700
session protocol sipv2
session target ipv4:10.100.9.6
dtmf-relay rtp-nte
codec g711ulaw
no vad
• sub-notify—Uses Subscribe and Notify messages to relay incoming DTMF signals to
Cisco
Unity Express. This option is not available for outgoing DTMF signals from
Cisco
Unity Express.
• info—Uses the Info message to relay outgoing DTMF signals from Cisco Unity Express to the
Cisco
IOS SIP gateway. This option is not available for incoming DTMF signals to
Cisco
Unity Express.
• sip-notify—Uses Unsolicited-Notify messages for incoming and outgoing DTMF signals.
To use the sip-notify option, verify that the Cisco IOS SIP gateway is configured to use Unsolicited
NOTIFY for SIP calls, as shown in the following example:
dial-peer voice 1 voip
Step 4
end
Example:
se-10-0-0-0(config-sip)# end
Returns to privileged EXEC mode.
Step 5
show ccn subsystem sip
Example:
se-10-0-0-0# show ccn subsystem sip
Displays SIP configuration parameters.
Command or Action Purpose