Actually I have a Nokia22 designed to be connect to PBX extension system. That device has two analog interfaces: trunk and extension. I have tested with succesful results the Nokia 22 connect to a PBX extension. Doing the following steps:
* User dial mobile extension.
* Receive a dial tone.
* Dial code that allow user on PBX telephone dial again.
* Mobile gets digits and establish the call.
These is the normal proceeding but, it do not work on a callamanger system.
SIP traces provide key information in troubleshooting SIP Trunks, SIP
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CUCM Database Replication is an area in which Cisco customers and
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