I have just taken on a customer with 2 spa922 phones connected to a remote 3rd party system. Only 1 phone will register at a time. If you switch off the registered phone the other will register.
Both phones are in a nated network behind a zyxel router.I have tried with sip alg on and off and with ports 5060-5063 & 16384-16480 open but still only thefirst phone switche don will register. These phones are new in this network and so is the router. I am missing something somewhere and don't know what. I have tried switching both nat options on but makes no difference.
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...