just a thought: OPTIONS, send it asynchronously, not part of INVITE processing, and wait for answer before sending 200 OK...
On 21 June 2017 at 18:53, Abdoul Osséni <[email protected]> wrote: > Linphone client seems to not support PRACK method. Any other solution ? > > Regards > Abdoul. > > 2017-06-21 18:47 GMT+02:00 Giovanni Maruzzelli <[email protected]>: > >> >> >> On 21 June 2017 at 18:42, Abdoul Osséni <[email protected]> wrote: >> >>> Yes, I think PRACK method can help me. >>> >> >> Check your UACs support PRACK... Not all clients do it well... >> >> -giovanni >> >> >> >>> >>> Thanks. >>> >>> Regards >>> Abdoul. >>> >>> 2017-06-21 14:20 GMT+02:00 Mititelu Stefan <[email protected]> >>> : >>> >>>> Maybe PRACK, RFC 3262, is what you are looking for? >>>> >>>> --- >>>> Stefan >>>> >>>> On Jun 21, 2017 2:46 PM, "Abdoul Osséni" <[email protected]> >>>> wrote: >>>> >>>> Hello, >>>> >>>> During three-way handshake (SIP call setup - INVITE-200 OK - ACK) and >>>> before generating or sending the final 200 OK call, is there a way to >>>> confirm the caller is still available (no network issue)? >>>> >>>> I want to detect broken connections (ex. the uac uses 3G network) >>>> before generating/sending/forwarding the final 200 OK. >>>> >>>> Thanks. >>>> >>>> Regards >>>> Abdoul >>>> >>>> _______________________________________________ >>>> Kamailio (SER) - Users Mailing List >>>> [email protected] >>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>> >>>> >>>> >>>> _______________________________________________ >>>> Kamailio (SER) - Users Mailing List >>>> [email protected] >>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>>> >>>> >>> >>> >>> -- >>> Abdoul OSSENI >>> Ingénieur Réseaux et systèmes chez THALES >>> Co-Fondateur de ON SERVICES >>> Tél : +33 601 135 167 >>> >>> _______________________________________________ >>> Kamailio (SER) - Users Mailing List >>> [email protected] >>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>> >>> >> >> >> -- >> >> Sincerely, >> >> Giovanni Maruzzelli >> OpenTelecom.IT >> cell: +39 347 266 56 18 >> >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> [email protected] >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> >> > > > -- > Abdoul OSSENI > Ingénieur Réseaux et systèmes chez THALES > Co-Fondateur de ON SERVICES > Tél : +33 601 135 167 > -- Sincerely, Giovanni Maruzzelli OpenTelecom.IT cell: +39 347 266 56 18
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