sip: ACK on SIP failure message to avoid it being retransmitted

Otherwise the SIP message is retransmitted by osmo-sip-connector around
10-11 times, even when next test has started, making it fail since it's
not expected.

Change-Id: Icd0f7a7fac4be2aa97eb986c3d3d27dd70a49357
changes/58/20258/2
Pau Espin 2 years ago committed by pespin
parent 5e8573e9b7
commit 37cf40843e
  1. 29
      sip/SIP_Tests.ttcn

@ -202,14 +202,23 @@ function f_establish_mt(inout CallPars cp) runs on ConnHdlr {
/* OSC <- SIP: A party sends SIP invite for a MT-call into OSC */
SIP.send(ts_SIP_INVITE(cp.comp.sip_call_id, cp.comp.sip_url_ext, cp.comp.sip_url_gsm,
cp.comp.sip_seq_nr, cp.comp.sip_body));
/* MSC <- OSC: OSC generates MNCC_SETUP_REQ from INVITE */
MNCC.receive(tr_MNCC_SETUP_req) -> value mncc {
cp.mncc_call_id := mncc.u.signal.callref;
}
/* OSC -> SIP */
SIP.receive(tr_SIP_Response(cp.comp.sip_call_id, sip_addr_ext, sip_addr_gsm, *,
"INVITE", 100, ?, "Trying", *));
alt {
/* MSC <- OSC: OSC generates MNCC_SETUP_REQ from INVITE */
[] MNCC.receive(tr_MNCC_SETUP_req) -> value mncc {
cp.mncc_call_id := mncc.u.signal.callref;
}
[] SIP.receive {
setverdict(fail, "Received unexpected respose");
SIP.send(ts_SIP_ACK(cp.comp.sip_call_id, cp.comp.sip_url_ext, cp.comp.sip_url_gsm,
cp.comp.sip_seq_nr, omit));
mtc.stop;
}
}
/* MSC -> OSC: After MS sends CALL CONF in response to SETUP */
MNCC.send(ts_MNCC_CALL_CONF_ind(cp.mncc_call_id));
/* MSC <- OSC: OSC asks MSC to create RTP socket */
@ -223,8 +232,16 @@ function f_establish_mt(inout CallPars cp) runs on ConnHdlr {
/* MSC -> OSC: After MS is ringing and sent CC ALERTING */
MNCC.send(ts_MNCC_ALERT_ind(cp.mncc_call_id));
SIP.clear;
SIP.receive(tr_SIP_Response(cp.comp.sip_call_id, sip_addr_ext, sip_addr_gsm, *,
"INVITE", 180, ?, "Ringing", *));
alt {
[] SIP.receive(tr_SIP_Response(cp.comp.sip_call_id, sip_addr_ext, sip_addr_gsm, *,
"INVITE", 180, ?, "Ringing", *));
[] SIP.receive {
setverdict(fail, "Received unexpected respose");
SIP.send(ts_SIP_ACK(cp.comp.sip_call_id, cp.comp.sip_url_ext, cp.comp.sip_url_gsm,
cp.comp.sip_seq_nr, omit));
mtc.stop;
}
}
/* MSC -> OSC: After MT user has picked up and sent CC CONNECT */
MNCC.send(ts_MNCC_SETUP_CNF(cp.mncc_call_id));

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