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  • Avaya SIP Phones

    Has anyone tried an Avaya SIP phone on ShoreTel? I have a 9640, I can get it to register but get fast busy when trying to make a call. Got a Cisco 7960 to work on the first try. Looking at wireshark I get a "488 Not acceptable here" response when making a call.

  • #2
    re

    i beleive this is a codec negotiation issue. set the phone to use g711 ulaw and make sure the codec is available on the codec list in shoretel and see of that works.

    AJ

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