Hey Jace,Took me a couple of days to figure out, but it’s the way the firewall handles SIP sessions that was the root cause of my issue. The following resolved my issue. Hope this helps.SOLUTION(s):Delete session helper for SIPConfig system session-h...

Hi Glen,    So, I am having a similar, if not, the same issue. This is what I have found.  I think the issue is DNS related, but I have not been able to test out my solution yet.  Let me know if it helps.   Cisco Bug: CSCvd03500 - Phones do not fallb...

Thanks Denise,I think Chandra needs something outbound though...not sure if how i have it configured will work for the requirement. Could always just play around with it to see if works.

Sorry Chandra,Didn't ready your question correctly. These wont work for your requirement.

Hey Chandra,I had a similar requirement for my Qs. See if these work for you.Try these. I had a similar requirement for my Qs.