Sound problems with 3CX and Sipura

Discussion in '3CX Phone System - General' started by Eter, Nov 14, 2007.

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  1. Eter

    Sep 25, 2007
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    I am running 3CX v3.1.2434.0 and having lots of problem with the quality of calls.

    I have two Linksys/Sipura SPA-941 phones connected to 3CX. They are on the same Subnet. They are all hidden behind a NAT box, with opened ports against 3CX server. Sipura phones have 3CX as Proxy/Registration server.
    I am using Swedish CellIP as Provider.

    When using SPA-941 directly against CellIP everything works smoothly, but when going through 3CX I get problems as no sound at start of calls, or calls suddenly ends or audio just goes away but call is still connected.. I have looked in the logfiles but havent seen any good reasons for this.

    Any ideas on how to dig deeper into this?

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