[Freeswitch-users] Gateway ReInvite Problem with a=inactive in SDP

Anthony Minessale anthony.minessale at gmail.com
Tue Apr 5 21:17:43 MSD 2011


bypass media means FS does not get involved, all it will do is forward
the sdp as-is to the other party.



On Tue, Apr 5, 2011 at 3:00 AM, Lars Bobka <Lars.Bobka at web.de> wrote:
> Hi,
>
> I have a problem with ReInvites and bypass-media option.
> A call over a gateway comes in. The gateway is a shared line from a broadsoft application server.
> The Invite over the gateway shows an a=inactive in the SDP.
>
> v=0
> o=BroadWorks 66603944 1 IN IP4 xxx.xxx.xxx.xxx
> s=-
> c=IN IP4 0.0.0.0
> t=0 0
> m=audio 21568 RTP/AVP 8 0 101
> a=rtpmap:8 PCMA/8000
> a=rtpmap:0 PCMU/8000
> a=rtpmap:101 telephone-event/8000
> a=ptime:30
> a=fmtp:101 0-15
> a=bsoft: 1 image udptl t38
> a=inactive
>
> After sending the 200OK over the gateway ang getting an ACK, the broadworks server sends a ReInvite, because of the shared line.
> Now the FS should answer the ReInvite with a 200Ok and sendrecv, but the FS sends inactive to the broadworks server and I have no audio
> in the call. Only when I hold hold the call and unhold the call, the inactive messages is not given and I have 2way audio.
>
> I try <param name="NDLB-sendrecv-in-session" value="true"/> everywhere (external.xml, internal.xml, user.xml), but I had no luck.
> So could you please help me.
>
> Regards Lars
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-- 
Anthony Minessale II

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