i have the CCM 5.x inside a NAT with somo phones on SCCP and SIP, and they are working fine. But i need to have a phone with sip outside the nat.What configuration do i have to put on the phone and on the router?I'm not getting very sucessful
I spent hours on this exact configuration and was never successful in getting it to work. I tried every possible scenario with both PIX and ASA firewalls. I even opened a TAC case and they said it should work, but we never came to a resolution (shame on me for not sticking with the case).
As an alternative solution, I installed Cisco Unified Phone Proxy which takes all the pain out of NAT, Firewalling, VPN, etc. and makes remote endpoints much easier to manage and configure.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...