Specifications
5-6
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
 destination-pattern 6700
 session protocol sipv2
 session target ipv4:10.100.9.6
 dtmf-relay sip-notify
 codec g711ulaw
 no vad
You can configure more than one option for transferring DTMF signals. The order in which you 
configure the options determines their order of preference.
Table 5-1 shows the various option combinations, the remote end capability, and the signaling option for 
incoming and outgoing DTMF signals. 
Ta b l e  5-1 DTMF Relay Option Combinations 
Cisco Unity Express 
Configuration
Option Supported at 
Remote End
Option for Incoming 
DTMF to 
Cisco
 Unity Express
Option for Outgoing 
DTMF from 
Cisco
 Unity Express
sub-notify — sub-notify no DTMF
info — no DTMF info
rtp-nte rtp-nte rtp-nte rtp-nte
sip-notify sip-notify sip-notify sip-notify
sip-notify, rtp-nte rtp-nte, sip-notify sip-notify
1
sip-notify
1
sip-notify, rtp-nte rtp-nte rtp-nte rtp-nte
sip-notify, info sip-notify sip-notify sip-notify
sip-notify, info no support
2
no DTMF info
sip-notify, sub-notify sip-notify sip-notify sip-notify
sip-notify, sub-notify no support
2
sub-notify sub-notify
sip-notify, rtp-nte, info rtp-nte rtp-nte rtp-nte
sip-notify, rtp-nte, info sip-notify sip-notify sip-notify
sip-notify, rtp-nte, info no support
2
no DTMF info
sip-notify, rtp-nte, 
sub-notify
rtp-nte rtp-nte rtp-nte
sip-notify, rtp-nte, 
sub-notify
sip-notify sip-notify sip-notify
sip-notify, rtp-nte, 
sub-notify
no support
2
sub-notify no DTMF
sub-notify, info — sub-notify info
rtp-nte, sub-notify rtp-nte rtp-nte rtp-nte
rtp-nte, sub-notify no support
2
sub-notify no DTMF
rtp-nte, info rtp-nte rtp-nte rtp-nte
rtp-nte, info no support
2
no DTMF info
sip-notify, rtp-nte, 
sub-notify, info
sip-notify, rtp-nte sip-notify sip-notify










