Problem description:
CCB call fails at Callback entry Application. In Activity log of the CallbackEntry you observe below error message.
Log snippet:
10.104.208.193.1383103768750.226.CallbackEntry,10/30/2013 08:59:37.156,Validate_01,element,warning,addXmlBody - Error returned from probe
Reason: Survivability is not configured properly for incoming dial number.
Solution:
Under application should be a service define for survivability.tcl
Service service flash:survivability.tcl
The incoming pot dial-peer should call this service
Dial-peer voice 1 pots
Description incoming call to GW
service cvp-survivability
incoming called-number .
direct-inward-dial
dial-peer voice 9 voip
description calls to CVP
destination-pattern 365755.
Voice-class code1
Voice-class sip rel1xx disable
Session protocol sipv2
Session target ipv4:10.255.23.171
Dtmf-relay rtp-nte h245-signal h245-alphanumeric
No vad !