I'm testing with two Cisco IP Communicator 22.214.171.124 clients on the same CUCM 7.1.3 server. Getting a mixed bag of results:
CIPC over VPN to external numbers - works successfully
CIPC over VPN to VM - works intermittently. I can always dial my VM pilot and initially (right after software client starts) I can call VM, hear messages, etc. Usually after one or two successful tests, I can no longer hear any audio. I just see the call being established but no audio.
CIPC over VPN to internal extensions (other on-net IP phones) - Phones ring but no audio either way
CIPC over VPN to CIPC over VPN - I can initiate calls between the two clients but there is no audio either way (same as above).
CIPC internally (on-net) to external calls and on-net IP phones - works successfully
My audio network setting are set to the VPN adapter (attached) and I'm configured to use g.729 (optimized for low bandwidth).
This is a VPN problem. Make sure your VPN allows ip packets to flow between the two remote endpoints. In order to make direct connection btw two endpoints, you need to explicitly allow this ability in your VPN.
SIP traces provide key information in troubleshooting SIP Trunks, SIP
endpoints and other SIP related issues. Even though these traces are in
clear text, these texts can be gibberish unless you understand fully
what they mean. This document attempts to br...
Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
questions and it will render the proper jabber-config.xml file for you
to copy/paste. There is built in logic to verif...
CUCM Database Replication is an area in which Cisco customers and
partners have asked for more in-depth training in being able to properly
assess a replication problem and potentially resolve an issue without
involving TAC. This document discusses the bas...