The telephony network is completely separated from the office (data) network due to historical reasons. The telephony network has a low-cost firewall that allows NAT/PAT, and that is the only way we can have webdialer requests coming in from PCs in the office network. VPN is not possible between the two networks.
Anyhow, I expected some issues with NAT so it was worth a try.
NAT will definitely cause issues with this setup. If security is an issue, then why not use CTL files to encrypt phone traffic and use IPSEC to the gateway. Just a thought to get around your issue so that you can get the features you are looking for...
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...