Saturday, 23 May 2015

CUCM-CUE SRST


When integrating CUCM with CUE, you need to consider the functionality of CUE during SRST mode. The methodology is to use SIP triggers on CUE with dialpeers configured on SRST router pointing to CUE as per below configuration. In fact you will be configuring CME-CUE integration to be used in case of SRST.

SRST Router

dial-peer voice 1 voip
 description Local SRE-CUE Voicemail
 destination-pattern 28000
 session protocol sipv2
 session target ipv4:172.18.106.107
 dtmf-relay sip-notify
 codec g711ulaw
 no vad
!
dial-peer voice 2 voip
 description Local SRE-CUE Auto Attendant
 destination-pattern 28100
 session protocol sipv2
 session target ipv4:172.18.106.107
 dtmf-relay sip-notify
 codec g711ulaw
 no vad
!        
dial-peer voice 3 voip
 description Local SRE-CUE Greeting Management System
 destination-pattern 28111
 session protocol sipv2
 session target ipv4:172.18.106.107
 dtmf-relay sip-notify
 codec g711ulaw
 no vad
!                 
!
call-manager-fallback
 ip source-address 172.18.106.105 port 2000
 max-ephones 52
 max-dn 208
 voicemail 28000
 call-forward busy 28000
 call-forward noan 28000 timeout 12

CUE

The three configured destination patterns (28000, 28100, and 28111) correspond to the three DNs assigned to the route points. The CTI ports are not referenced anywhere.

The CUE is set up automatically when you use the Initialization Wizard. This portion must be in the configuration in order to verify from the CLI:

ccn subsystem sip
 gateway address "172.18.106.105"
 end subsystem
...
ccn trigger sip phonenumber 28000
 application "voicemail"
 enabled
 locale "en_US"
 maxsessions 4
 end trigger
ccn trigger sip phonenumber 28100
 application "autoattendant"
 enabled
 locale "en_US"
 maxsessions 4
 end trigger
ccn trigger sip phonenumber 28111
 application "promptmgmt"
 enabled
 locale "en_US"
 maxsessions 1
 end trigger

The gateway address is the Cisco SRST router. The phone number parameters must be the same as the route point DNs.

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