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3CX <> Panasonic KX-TDE600

Discussion in '3CX Phone System - General' started by mhmmdreza1977, Mar 13, 2017.

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  1. mhmmdreza1977

    Oct 18, 2016
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    Dear Forum

    Our office having 2 PBX system, 3cx for mobile communication and Panasonic KX-TDE600 (latest firmware), This Panasonic, provide outgoing call to PSTN

    We try to integrate this with two method, and each have problem that need to resolve.

    1. 3CX SIP Trunk <> Panasonic IPGW
    With this methode, every call from Panasonic ext. to 3CX ext. , always ring to 3CX operator
    and 3CX ext. can not make outgoing call to PSTN

    2. 3CX SIP Trunk <> Panasonic SIP Extension
    With this methode, we have issue with caller ID.
    Call from 3CX to Panasonic do not display 3CX ext in Panasonic key phone

    Is there any best practice methode to integrate this 2 PBX system and resolve our issue ?

  2. eagle2

    eagle2 Well-Known Member

    Apr 27, 2011
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    With trunk to trunk connection you need DDI numbers (inbound rules) to reach extensions.
    On 3CX site you may use bridge, this will solve some of the issues (reaching extensions), but will create others (non-sending caller-ID).
    You may try also registering Panasonic as a gateway to 3CX.

    To use Panasonic trunks (PSTN), you need to use Panasonic extensions, connected to 3CX trunks, as there is no equivalent of a bridge for Panasonic SIP trunk (Q.SIG is working for ISDN and H.323 lines only). Otherwise you need to use DISA in Panasonic, but this means 2-stage dialing. Direct trunk-to-trunk calls are not possible in both PBXs.

    As a whole, there is not a fully satisfactory solution for interconnecting the two PBXs.
    In any case you will need 2 different links between the PBXs, one for incoming calls and another for outgoing.
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