Hello Pros
I have a setup where 3 CME(1861)s which by customer requirement need to send all calls to the PSTN through the Headquarters (With another CME running on a 2911). I am using SIP. And all seems to work fine.
However, failover is needed through the PSTN in case the connection to the headquarters is lost. For that purpose, each CME has a BRI to the PSTN.
My problem is how to achieve failover between these dial-peers:
dial-peer voice 23 voip
corlist outgoing call-moviles
description Numeros de Movil
translation-profile outgoing Saliente
preference 1
destination-pattern 0[67]........
session protocol sipv2
session target ipv4:10.168.30.1
voice-class codec 2
dtmf-relay sip-notify
dial-peer voice 13 pots
trunkgroup ALL_MOV 1
corlist outgoing call-moviles
description Numeros de Movil
translation-profile outgoing Saliente
preference 10
destination-pattern 0[67]........
progress_ind alert enable 8
progress_ind progress enable 8
progress_ind connect enable 8
forward-digits 9
I suspect that I need to tune the INVITE timer but I am not sure how to do it. I came across this document but it seems out of date:
http://www.cisco.com/en/US/products/sw/iosswrel/ps1834/products_feature_guide09186a008007fe68.html#wp1020158
I am running 15.1(4)M2.
I'd appreciate any help
Best regards
