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Ports

Discussion in '3CX Phone System - General' started by oliverm, Sep 6, 2011.

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  1. oliverm

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    Hi chaps,

    If we don't want to connect any phones externally to our 3cx server and the 3cx server will only be making and receiving calls from a SIP trunk provider, what ports need to be opened on our firewall?

    We currently have 5060 UDP/TCP, 5090 UDP/TCP and 9000 to 9050 UDP/TCP. I suspect that some of these may be required just to support some external handsets at remote sites that we no longer have and I want to tidy up the rules a bit.

    Thanks

    Olly
     
  2. davidbenwell

    davidbenwell Active Member

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    Hi,

    if no external users then the below list is the ports that need to be open

    5060 TCP/UDP
    9000-9049 UDP
     
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