Binding to Media Server

Discussion in '3CX Phone System - General' started by ehality, Nov 21, 2007.

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  1. ehality

    Oct 23, 2007
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    Hi All,

    I hope I can get some experts advice or answers because my brain fuses are all burned from reading and searching

    1- Is it impossible to run an external SIP client behind a Restricted Cone or a Port Restricted NAT router without binding to media server, or use a proxy or use SBC (I am using STUN server and I faced no problem with full cone NATs)? if it is possible for either NAT please let me know what is the trick

    I am talking about Grandstream HT-503 with 3CX Ver 3.1
    I am using my own STUN server with 2 ip addresses
    Both 3CX & STUN are on a public Static IP for test purposes

    please let me know if this been finalized because I don't want to re invint the wheel
    Thanks in advance
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