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  1. Does 3CX support SIP OPTIONS requests?

    I ran a packet capture and our current provider is sending OPTIONS requests and 3CX happily replies 200 OK with the correct information. I'm not receiving OPTIONS from the new provider at all though.
  2. Does 3CX support SIP OPTIONS requests?

    We're in the middle of switching to a new provider and they are requiring a response to an OPTIONS ping. I can't find any information on this functionality within 3CX, and more over am finding it difficult to locate information about it beyond RFC documents outlining its use. I found...
  3. 480 Configuration Error?

    After finally getting with some who knew what they were doing we managed to find out that the contact IP was wrong in their config. 80+ hours of down time over something I told them to check at the beginning. Neat.
  4. 480 Configuration Error?

    I recently started getting this error (see log below) when trying to register with the SIP server. I'm using SP4 of v11. I can receive calls but I cannot make them, I just get the same 480 error back from the SIP server. Here's what I've done to fix the issue: -Rebooted the DSL modem providing...
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