Re: [SR-Users] Use of t_cancel_callid() to drop an early dialog

On 20/11/2013 12:01, Daniel-Constantin Mierla wrote: > Hello, > > On 11/20/13 11:50 AM, Guillaume Bour wrote: >> Hi All >> >> We wan't to prevent our users to make more than one call at time, >> so we choose to disconnect the previous call. >> When the previous call is established, we use dlg_bye(), and its ok. >> But when it is in early state, we use t_cancel_callid() to cancel >> its INVITE transaction. >> >> We face 2 issues: >> 1) we use local-request event route to account calls on >> timeout. Sometimes this route is called for the cancelled call >> (after default timeout of 1 hour) > > what is in the local-request in this case? Is it a BYE? > >> 2) t_cancel_callid() cancel previous call, but also _make >> current dialog disappear_: call is still ongoing and we can >> answer and talk to each other, but the dialog does not appear in >> 'kamctl stats dialog' and 'kamctl mi dlg_list' commands >> >> Is there a known limitation, or do we misuse t_cancel_callid() ? > Can you send the log with debug=3 in kamailio.cfg? It will help to > see what happens. Otherwise, if the call id is different for > current dialog, it should not happen. The ngrep output in this > situation (for both first and second invite) will help. > > Cheers, > Daniel > Hi Daniel, local-request is triggered by a BYE I have attached sample log and trace There is some kind of dialogs mixing. Here is the 1st call dialog as reported by "kamctl mi dlg_list" _before and after_ the 2d call is answered: # kamctl mi dlg_list dialog:: hash=2790:3231 state:: 2 ref_count:: 1 timestart:: 0 timeout:: 0 callid:: GoXhk8GfkIEEqFyFNcySEjSOOpVKg4Uq from_uri:: sip:15909901@staging.voip from_tag:: swYh88AkicGbSHpK.D1z7uo3EX9Q-.AZ caller_contact:: sip:37984520-gch2kindtioq8@10.0.1.10:5060;transport=udp caller_cseq:: 24899 caller_route_set:: caller_bind_addr:: udp:10.0.1.10:5060 callee_bind_addr:: to_uri:: sip:+3360000011@staging.voip to_tag:: callee_contact:: callee_cseq:: callee_route_set:: # kamctl mi dlg_list dialog:: hash=2790:3231 state:: 3 ref_count:: 2 timestart:: 1384952191 timeout:: 20242152 callid:: GoXhk8GfkIEEqFyFNcySEjSOOpVKg4Uq from_uri:: sip:15909901@staging.voip from_tag:: swYh88AkicGbSHpK.D1z7uo3EX9Q-.AZ caller_contact:: sip:37984520-gch2kindtioq8@10.0.1.20:5060;transport=udp caller_cseq:: 24899 caller_route_set:: caller_bind_addr:: udp:10.0.1.10:5060 callee_bind_addr:: udp:10.0.1.10:5060 to_uri:: sip:+3360000011@staging.voip to_tag:: as6c8b935a callee_contact:: sip:+3360000022@10.0.1.11:5060 callee_cseq:: callee_route_set:: _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users