I have CUE integrated with CUCM at remote location. Everything works fine when WAN is up but in SRST mode the call do not get forwarded to the CUE. I have the below mentioned config done in the SRST mode.
dial-peer voice 3050 voip
description Cisco Unity Express voicemail pilot number
session protocol sipv2
session target ipv4:126.96.36.199
max-conferences 8 gain -6
ip source-address 188.8.131.52 port 2000
max-dn 5 dual-line
call-forward pattern .T
call-forward busy 3050
call-forward noan 3050 timeout 10
mwi-server ipv4:184.108.40.206 expires 3600 port 5060
ccn subsystem sip
gateway address "220.127.116.11"
gateway port 5060
mwi sip sub-notify
Please suggest. I also have SIP Triggered configured for the same.