Adding a scheme of the current call-flow scenario maybe it is not completely clear from the previous message:
FreeSWITCH --(1-call)--> Fork Proxy --(N-branches)--> SEMS --(N-calls)--> Edge Proxy ----> N-devices вт, 7 сент. 2021 г. в 12:57, Denys Pozniak <denys.pozn...@gmail.com>: > Hello! > > Our service delivery logic is as follows: > Each user has an internal extension, under which there are several devices > with their own identifier. > With an incoming call to such a subscriber, FreeSWITCH adds custom SIP > headers with these device identifiers. > Further on these fields the superior Proxy forks legs and then these legs > pass through the Sems to become completely separate calls. > > Now there is a task to replace Sems with OpenSIPS. > The script below works fine, but only if the incoming calls are not forked > > > > > > > > > > > > > > > *####### Routing Logic ########route{ if (is_method("INVITE") && > !has_totag()) { b2b_init_request("top hiding"); exit; > }}route[b2b_logic_request] { b2b_pass_request(); exit;}* > > If there is a fork with an answer on some device, then OpenSIPS does not > forward the SIP CANCEL (Reason: SIP;cause=200;text="Call completed > elsewhere") to the rest and these devices keep ringing until timeout > (Reason: SIP;cause=480;text="NO_ANSWER") > Please help understand the nature of this behavior. > > version: opensips 3.2.2 (x86_64/linux) > > *Incoming SIP INVITE:* > 2021/09/07 11:38:30.737456 192.168.27.84:5060 -> 192.168.27.84:5080 > INVITE sip:qq2s92mnbrda@192.168.27.126:5060;transport=udp SIP/2.0 > Record-Route: > <sip:192.168.27.84;lr=on;ftag=3a8gNpgZQ89pj;did=8b.4a4;vst=AAAAAEcYQ0JfBhUaEEoOFQAAAAAAAAAAAAAJBjY-> > Record-Route: <sip:192.168.27.126;lr=on;did=8b01.a1d4> > Via: SIP/2.0/UDP > 192.168.27.84;branch=z9hG4bKcc18.ec9a363ccc70d07691e11293d160cca6.1 > Via: SIP/2.0/UDP > 192.168.27.126;branch=z9hG4bKcc18.accd8d8bac35ac66a172f6ce173c9a34.0 > Via: SIP/2.0/UDP > 192.168.27.123;received=192.168.27.123;rport=5060;branch=z9hG4bKavcjKF58g9D1e > Max-Forwards: 66 > From: "VOIP" <sip:5009@192.168.27.123>;tag=3a8gNpgZQ89pj > To: <sip:qq2s92mnbrda@192.168.27.84> > Call-ID: 33e8140a-8a62-123a-e1ba-001dd8b71cb2 > CSeq: 40949963 INVITE > Contact: <sip:mod_sofia@192.168.27.123:5060> > Supported: timer, path, replaces > Allow-Events: talk, hold, conference, refer > Privacy: none > Content-Type: application/sdp > Content-Disposition: session > > *Outgoing SIP INVITE:* > 2021/09/07 11:38:30.737938 192.168.27.84:5080 -> 192.168.27.126:5060 > INVITE sip:qq2s92mnbrda@192.168.27.126:5060;transport=udp SIP/2.0 > Via: SIP/2.0/UDP 192.168.27.84:5080;branch=z9hG4bK6ddf.d88b07f2.0 > To: sip:qq2s92mnbrda@192.168.27.126:5060 > From: "VOIP" <sip:5009@192.168.27.123 > >;tag=94fd20254e546fee730f360cf9860800 > CSeq: 40949964 INVITE > Call-ID: B2B.331.6374211.1631007510 > Max-Forwards: 70 > Content-Length: 486 > User-Agent: OpenSIPS (3.2.2 (x86_64/linux)) > Content-Type: application/sdp > Supported: timer, path, replaces > P-Asserted-Identity: " VOIP" <sip:5009@192.168.27.123> > Privacy: none > Content-Disposition: session > X-Call-ID: 33e8140a-8a62-123a-e1ba-001dd8b71cb2 > Contact: <sip:5009@192.168.27.84:5080> > > *Incoming SIP CANCEL:* > 2021/09/07 11:38:33.593381 192.168.27.84:5060 -> 192.168.27.84:5080 > CANCEL sip:qq2s92mnbrda@192.168.27.126:5060;transport=udp SIP/2.0 > Via: SIP/2.0/UDP > 192.168.27.84;branch=z9hG4bKcc18.ec9a363ccc70d07691e11293d160cca6.1 > Max-Forwards: 66 > From: "VOIP" <sip:5009@192.168.27.123>;tag=3a8gNpgZQ89pj > To: <sip:qq2s92mnbrda@192.168.27.84> > Call-ID: 33e8140a-8a62-123a-e1ba-001dd8b71cb2 > CSeq: 40949963 CANCEL > Content-Length: 0 > Reason: SIP;cause=200;text="Call completed elsewhere" > > *Outgoing SIP CANCEL by timeout (with 27 sec delay):* > 2021/09/07 11:39:01.100888 192.168.27.84:5080 -> 192.168.27.126:5060 > CANCEL sip:qq2s92mnbrda@192.168.27.126:5060;transport=udp SIP/2.0 > Via: SIP/2.0/UDP 192.168.27.84:5080;branch=z9hG4bK6ddf.d88b07f2.0 > From: "VOIP" <sip:5009@192.168.27.123 > >;tag=94fd20254e546fee730f360cf9860800 > Call-ID: B2B.331.6374211.1631007510 > To: sip:qq2s92mnbrda@192.168.27.126:5060 > CSeq: 40949964 CANCEL > Max-Forwards: 70 > Reason: SIP;cause=480;text="NO_ANSWER" > User-Agent: OpenSIPS (3.2.2 (x86_64/linux)) > Content-Length: 0 > > > > -- > > BR, > Denys Pozniak > > > -- BR, Denys Pozniak
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