I see....We have a patch to allow changing cseq, we are working in
properly integrating it in the public tree. Hopefully it will be ready
in the next 1-2 weeks.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 06.08.2014 19:45, Igor Olhovskiy wrote:
Change CSeq
It's related to problem to get registering proxy. Means on one side is
"transparent" dialog, on other - need to be auth'ed. While auth
(INVITE - 401 - INVITE (with digest + another CSeq)) you have to
change CSeq.
06.08.14 19:41, Bogdan-Andrei Iancu написав(ла):
Hi Igor,
The CANCEL requests are propagating hop by hop (and not end-to-end) -
this means the request is re-generated by each hop. This is why you
cannot change it.
What exactly are you trying to achieve here ?
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 04.08.2014 15:40, Igor Olhovskiy wrote:
Hi!
I've tried some modification of in-transaction CANCEL packets.
Idea A call B, than A cancels call.
Initial CANCEL:
*CANCEL* sip:0919082171@XXXXXXX SIP/2.0
Via: SIP/2.0/UDP 31.172.143.70;rport;branch=*z9hG4bKHg59atZ9pDDHg*
Route: <sip:31.172.143.67:5060>
Max-Forwards: 68
From: "2063259" <sip:[email protected]>;tag=*N1D0tceygg3tN*
To: <sip:0919082171@XXXXXXXX>
Call-ID: *ed5d0207-9675-1232-e38f-000c29eaa3c3*
CSeq: 63241643 *CANCEL*
Reason: SIP;cause=487;text="ORIGINATOR_*CANCEL*"
Content-Length: 0
I've simply add
if (is_method("CANCEL")) {
...
xlog("L_INFO", "CANCEL!");
append_hf("X-Hint: CANCEL!\r\n");
if (t_check_trans()) {
xlog("L_INFO", "CANCEL is in transaction!");
t_relay();
}
}
In logs I see:
CANCEL!
CANCEL is in transaction!
but I can't see appended header to outgoing CANCEL packet.
Outgoing CANCEL is
*CANCEL* sip:0919082171@XXXXXXX SIP/2.0
Via: SIP/2.0/UDP 31.172.143.67:5060;branch=*z9hG4bKed78.b56ef11.1*
From: "2063259" <sip:[email protected]>;tag=*N1D0tceygg3tN*
Call-ID: *ed5d0207-9675-1232-e38f-000c29eaa3c3*
To: <sip:0919082171@XXXXXXX>
CSeq: 63241643 *CANCEL*
Max-Forwards: 70
Reason: SIP;cause=487;text="ORIGINATOR_*CANCEL*"
User-Agent: OpenSIPS (1.11.2-notls (x86_64/linux))
Content-Length: 0
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