[Freeswitch-users] Polycom hold problems?

[Yehavi Bourvine]

Hello Brian,

  Thanks for your reply. Do you have any clue to give me about the
parameters names in Polycom config? I tried  playing on FS side, but
nothing helps.
>From the traces I see that Polycom answers without asking for encryptiom,
but after return from hold it asks for encryption.

               Thanks! __Yehavi:


2014-07-31 16:15 GMT+03:00 Brian West <brian at freeswitch.org>:

> Please see the updated vars.xml on how SRTP works in 1.4.x, I suspect the
> phone tries to either disable or enable SRTP on the hold operation, there
> are a few settings related to rolling the keys in 3.x that may solve your
> issue.
>
>
> On Thu, Jul 31, 2014 at 8:02 AM, Yehavi Bourvine <
> yehavi.bourvine at gmail.com> wrote:
>
>> Hi,
>>
>>   After upgrading from Freeswitch 1.2.23 to 1.4.6 my users started to
>> complain that they cannot use hold on incoming sessions on Polycom phones;
>> when they try to return from hold the call is disconnected and I get a
>> console error "CODEC renogotiation error".
>>
>> Our Polycom phones are set to offer SRTP, thus, on outgoing call they use
>> SRTP but not on incoming. In the above scenario, when the user tries to
>> return from hold, the phone sends SAVP with SRTP, although the original
>> call was not encrypted, and this causes this error message.
>> I had to disable SRTP on the Polycoms to make hold working again.
>>
>> BTW, this happens with Polycom 3.3.4 but not with 4.0.5 (but I cannot
>> upgrade to it since it behaves erratically).
>>
>> Anyone else noticed this as well?
>>
>>                         Thanks, __Yehavi:
>>
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>
>
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