we faced the problem in CuciLync when we connected over VPN through ASA.
When we dialed the CuciLync Extension got a message "Call Cann't be completed".
When we analyzed the ccum logs got a SIP 404 Message & SIP URI resolved to some junk character.
CCM|//SIP/SIPCdpc(2,53,44241)/ci=42395439/ccbId=343896/scbId=0/getDefSetup: ReqURI is present:
Thanks in Advance.
4 years later, we have a client with the same problem. If you got this resolved, any info you could remember would be appreciated.