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

Benjamin Cropley benjamin.cropley at gmail.com
Thu May 5 15:37:12 MSD 2016

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).


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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