[Freeswitch-users] MS Lync / Skype For Business - MOH hangup

[Benjamin Cropley]

Sorry no personal experience :( was just trying to help you understand they
may be two separate causes if you didn't already know.

For example, muting a phone will probably (unless specifically configured
on the device not to) send SOME RTP/media data. It will just be audibly
silent.

As opposed to hold, in which you adjust SDP data (as your friend said) to
indicate what's going on (eg. A will send to B but B will not send back or
vice versa..). When FS receives a re-invite with adjust SDP it should
respond with a 200OK to indicate that it's all fine.

So I'd run a trace and check FS is sending a 200OK back.

in summary: Something on SFB is timing out here. You need to find out what
that is (SFB logs?)



On Thu, May 5, 2016 at 1:34 PM, jay binks <jaybinks at gmail.com> wrote:

> I've seen similar things in both scenarios ( hold  & mute ) but don't
> recall the specifics of each scenario.  I can potentially gather more info
> tomorrow.
>
> Have you experienced the same things that I'm seeing ? ( have you found
> fixes ? )
>
> Jay
> On May 5, 2016 9:37 PM, "Benjamin Cropley" <benjamin.cropley at gmail.com>
> wrote:
>
> Hi Jay,
>
> Can you clarify whether this issue only happens when you push mute on a
> SFB device or only when pushing the 'hold' key? Or both? (both are treated
> slightly differently in SIP).
>
> Ben
>
>
> On Thu, May 5, 2016 at 11:56 AM, jay binks <jaybinks at gmail.com> wrote:
>
>> Hi All,
>>
>> Im hoping that the collective experience of the FS Community might be
>> able to help with some interop fun with Skype For Business,
>> specifically where the SFB end sends a bye at around 3 min, after the call
>> has been on hold for  ( for most of that time )
>>
>> I dont see anything obvious in the signalling, but a colleague who is
>> quite experienced with Lync feels it may be related to how we are handling
>> "a=inactive" when the call is on hold.
>>
>> I cant at this point share any of these SIP traces ( mainly because
>> im yet to have this entire scenario tested in our lab ).
>>
>> I guess what Im asking is, does anyone have SFB working well with
>> Freeswitch, and have you tested long periods of silence ( pressing mute in
>> the SFB client ) and long periods of the call on hold.
>>
>> if so, can you potentially share any settings you had to tweak in order
>> to make this work.
>>
>> Sincerely
>>
>> Jay
>>
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>
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