You cannot control the behavior of the GSM operators. They may decide to play a prompt and practically answer the call without returning any code when the target device is out of coverage, voicemail box may kick in or not, roaming or other scenarios you are not even aware about. If instead of a response code, you end-up being connected or in early media, OpenSIPS cannot retarget the call in all situations. Thinks work random and fail for unknown reasons due to un-deterministic behavior of the GSM operators involved.
Adrian On Oct 9, 2012, at 2:40 PM, Schneur Rosenberg wrote: > If you disable voicemail on the mobile phone through the carrier then you > should get a busy signal from the carrier, if you also disable call waiting > then you should also get busy a busy signal from the carrier, its not really > required if you don't mind being disturbed by the beep , this might not > always be a solution because you loose voicemail and call waiting on your > phone. > > Another solution might be to send the call through a Asterisk server and use > the amd (answering machine detection) function. > > On Oct 8, 2012 11:17 PM, "Adrian Georgescu" <a...@ag-projects.com> wrote: > There is no standard for communicating signaling information from a non-IP > network like GSM to a SIP based network. What you try to achieve is close to > impossible unless you own both networks and are able to set up some > proprietary signaling mechanism between them. > > Adrian > > On Oct 8, 2012, at 10:56 PM, Engineer voip wrote: > >> Hi, >> I want to associate a mobile phone number to each desktop phone and want to >> ringing at the same time the desktop phone and mobile phone: >> ** if the mobile phone is off service or already in communication (call >> falls on the responder) the opensips ignore this mobile and keep ringing the >> desktop phone. >> >> i hope this is clear >> >> 2012/10/8 Duane Larson <duane.lar...@gmail.com> >> Can you explain in more detail what you are trying to do? >> >> >> On Mon, Oct 8, 2012 at 8:32 AM, Engineer voip <forvo...@gmail.com> wrote: >> Hello, >> I do that and its good but if user A hangs up the call, the user B is >> hanging too. >> I want when user A hangs up or responder, the user B can take the call! >> have you an idea to resolve that? >> >> 2012/10/8 Vlad Paiu <vladp...@opensips.org> >> Hello, >> >> This is the usual SIP parallel forking, so yes this can be done with >> OpenSIPS 1.8. See the append_branch() function at [1] . >> >> [1] http://www.opensips.org/Resources/DocsCoreFcn18#toc106 >> >> Regards, >> Vlad Paiu >> OpenSIPS Developer >> http://www.opensips-solutions.com >> >> On 10/08/2012 12:00 AM, Engineer voip wrote: >>> Hi All, >>> It is possible to call a standard (fix) phone and mobile phone at the same >>> time with OpenSIPS 1.8 ?? >>> >>> -- >>> >>> Best Regards. >>> >>> >>> >>> _______________________________________________ >>> Users mailing list >>> Users@lists.opensips.org >>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users >> >> _______________________________________________ >> Users mailing list >> Users@lists.opensips.org >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users >> >> >> >> >> -- >> >> Best Regards. >> >> >> >> _______________________________________________ >> Users mailing list >> Users@lists.opensips.org >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users >> >> >> >> >> -- >> -- >> *--*--*--*--*--* >> Duane >> *--*--*--*--*--* >> -- >> >> _______________________________________________ >> Users mailing list >> Users@lists.opensips.org >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users >> >> >> >> >> -- >> >> Best Regards. >> >> >> _______________________________________________ >> Users mailing list >> Users@lists.opensips.org >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users > > > _______________________________________________ > Users mailing list > Users@lists.opensips.org > http://lists.opensips.org/cgi-bin/mailman/listinfo/users > > _______________________________________________ > Users mailing list > Users@lists.opensips.org > http://lists.opensips.org/cgi-bin/mailman/listinfo/users
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