pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/37303?usp=email )

Change subject: asterisk: SIP UA: Fix seq_nr transmitting ACK for MO call ......................................................................

asterisk: SIP UA: Fix seq_nr transmitting ACK for MO call

RFC 3261 17.1.1.3: "The CSeq header field in the ACK MUST contain the same value for the sequence number as was present in the original request"

Change-Id: I3d584d234b11ef9d21f203fbf18d63a5602775f0 --- M asterisk/SIP_ConnectionHandler.ttcn 1 file changed, 13 insertions(+), 1 deletion(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/03/37303/1

diff --git a/asterisk/SIP_ConnectionHandler.ttcn b/asterisk/SIP_ConnectionHandler.ttcn index 696be8a..52290fd 100644 --- a/asterisk/SIP_ConnectionHandler.ttcn +++ b/asterisk/SIP_ConnectionHandler.ttcn @@ -482,7 +482,6 @@ g_pars.cp.to_addr := g_rx_sip_resp.msgHeader.toField;

/* Transmit ACK */ - g_pars.cp.sip_seq_nr := g_pars.cp.sip_seq_nr + 1; req := ts_SIP_ACK(g_pars.cp.sip_call_id, g_pars.cp.from_addr, g_pars.cp.to_addr,