[Freeswitch-users] Polycom hold problems?

[Brian West]

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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-- 

*Brian West*
brian at freeswitch.org


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