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H323 device to 3CX via Cisco ISR

Discussion in '3CX Phone System - General' started by 0x01, May 8, 2013.

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  1. 0x01

    May 8, 2013
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    Hi to all!

    Client has an old H323 phone station. I don't know where he found it but I got a problem.
    Of course he wants to make calls on phones which are registered to 3cx server.
    I have the following network configuration

    (Endpoints)<-->(H323 PBX)<-->(H323gw--Cisco CUBE--SIP)<-->(3CX)<-->(Endpoints)

    I have a problem with configuring Cisco<-->3cx communication. I tried to configure sip-ua and dial-peers on Cisco and VoIP gateway on 3cx but Cisco didn't register to 3cx server.
    I tried to find solution but google can't help me. I found only NAT configuration examples, not voice.
    Does somebody know any solution how to register Cisco router on 3CX via SIP trunk and make it work?

    Of course if any additional information is needed you can ask me and I'll try to provide it.

    Thanks in advance.
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