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Thread: Polycom Soundpoint 501 as remote phone

  1. #1

    Default Polycom Soundpoint 501 as remote phone

    Anyone with experience setting up a polycom 501 as a remote phone? I can send and recieve calls through the polycom but the calls drop after about 10 - 15 sec..
    I have Cable high speed internet at home so I ma routing through a cable modem and Netgear Wireless N Router. I am pretty sure I have epygi set up correctly but am missing something on the Polycom or on the router.

  2. #2
    Quadro Architect
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    The call drop after 10-15 sec could be because of final SIP "ACK" message lost. And that can happen because of the NAT. Do both incoming and outgoing calls to thata phone drop after 10-15 sec, or only the outgoing ones? Did you set the "Symmetric RTP" option on Quadro, or alternatively, did you enable the STUN on Polycom?

  3. #3

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    Quote Originally Posted by davrays View Post
    The call drop after 10-15 sec could be because of final SIP "ACK" message lost. And that can happen because of the NAT. Do both incoming and outgoing calls to thata phone drop after 10-15 sec, or only the outgoing ones? Did you set the "Symmetric RTP" option on Quadro, or alternatively, did you enable the STUN on Polycom?
    I did not enable STUN on the Polycom. I did set the "Symmetric RTP" on the Quadro. I know outgoing calls drop but not sure about incoming. Ill test that tonight.

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