[reSIProcate] Early media followed by 200 OK without SDP

[Jan Granqvist]

Hi all,

I’ve ran into some difficulties in an interop test towards an SBC.
I’m using reciprocate 1.8.6 and DUM on top.

The problem is as follows:
My application initiates a SIP session towards the SBC, the SBC answers with an 180/SDP.
The remote part answer the call which initiates a 200 OK response without SDP.

Is this a valid scenario? DUM at least does not like it and terminates the call.
Or is there a way to overcome this?


    DUM                SBC

    INVITE(SDP)            -->
    100 Trying            <--
   
 180 Ringing(SDP)        <--
    200 OK(no SDP)            <--

    ACK                -->
    BYE                -->
    200 OK                <--


DEBUG | 20130610-104151.588 | SIPCService | RESIP:DUM | 5960 | DialogId.cxx:50 | DialogId::DialogId: hbQJuV6_pCllB59l0sJRCA..-75194203-00e51a.Ab2b66.Pb2b629.B2b1.Tb2b1-1
DEBUG | 20130610-104151.589 | SIPCService | RESIP:DUM | 5960 | DialogUsageManager.cxx:1144 | Send: SipReq:  BYE 0633040109.iIiIiI.0c03d84a. at 12.3.126.42 tid=35187e552274eb58 cseq=2 BYE contact=0923000903 at 12.3.191.35 / 2 from(tu)
INFO | 20130610-104151.589 | SIPCService | RESIP:DUM |
 5960 | ClientInviteSession.cxx:859 | Failure:  2xx with no answer: SipResp: 200 tid=8c2e757372263228 cseq=1 INVITE contact=0633040109.iIiIiI.0c03d84a. at 12.3.126.42 / 1 from(wire)
INFO | 20130610-104151.589 | SIPCService | RESIP:DUM | 5960 | InviteSession.cxx:2703 | Transition UAC_Early -> InviteSession::Terminated


Thanks
/Janne
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