On Mon, Jun 17, 2019, at 3:10 PM, Michael Maier wrote: > Hello! > > I'm facing a problem on an outbound call which receives a reInvite w/o > SDP (late / delayed offer technique) from ISP. The ISP won't provide > any SDP in the following received ACK and the call is broken therefore > afterwards because no more media is sent after this reInvite. > > > Detail: > > - ISP sends ReInvite w/o SDP > - Asterisk sends 200 OK containing the SDP, received by the initial 200 > OK from the ISP before > (which is a subset of the defined allowed media for this trunk). > The <sess-version> in the SDP of the 200 OK as answer to the reInvite > is the same as the one of > the initial INVITE though the SDP is different. Shouldn't > <sess-version> be increased if SDP > is changed changed? > - ISP sends an ACK - but w/o SDP -> Call is dead from now on.
Yes, if the SDP is changed then the session version should be incremented. If this is not done then this is likely a bug in pjmedia-sdp (I don't believe we deal with the session version, it's down in the PJSIP SDP side). You can file an issue[1] with the details. [1] https://issues.asterisk.org/jira -- Joshua C. Colp Digium - A Sangoma Company | Senior Software Developer 445 Jan Davis Drive NW - Huntsville, AL 35806 - US Check us out at: www.digium.com & www.asterisk.org -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-dev mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-dev
