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Tag: 3rdparty

Cisco Phone not receiving calls from a 3rd party PBX via SIP-Trunk

Posted on 22. January 20208. June 2020 by Marc
Today I had an issue on an incoming SIP Trunk from an Avaya PBX to a CUCM. The calling name of the Avaya users included a “greater as”-sign ( > ). This mixed up the Contact field on CUCM and th... Read More

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