I am using TCP and I'm still getting an error. But when I use UDP I came make and receive calls in foreground without a problem. -- Nguni Phakela Sent from my iPhone5 > On 29 Apr 2014, at 3:45 PM, Maksim Solovjov <maxim.solovjov at gmail.com> wrote: > > Hey, > Are you using TCP? you must use TCP. > Regards, > Maksim. > >> On Tue, Apr 29, 2014 at 12:00 PM, Nguni Phakela <nguni52 at gmail.com> wrote: >> I have been trying to solve the same problem for quite some time now. and I >> have yet to find a solution. So if you find one please post it and if I also >> do I will post it. >> >> Cheers, >> -- >> Nguni Phakela >> >>> On Tue, Apr 29, 2014 at 10:53 AM, Tim Zhang <mythfish at gmail.com> wrote: >>> >>> I also encounter this problem, have you found the root cause about it? >>> Thanks. >>> >>> >>> 2014-01-07 12:10 GMT+08:00 qiulang <qiulang at sinicnet.com.cn>: >>>> >>>> Hi, >>>> >>>> I tried pjsip 2.1 and even latest 2.2 trunk but I still see from time to >>>> time that on_incoming_call did not get called when my iOS app runs in >>>> background (surely I have set it as a voip app), especially using 3G. So in >>>> this case only when the app enters the foreground on_incoming_call was >>>> called but the calling party had already hang up. After further debugging >>>> the issue I found sometimes the tcp port seems to be blocked entirely as my >>>> server keeping resending the invite message. >>>> >>>> So any idea how to fix that ? >>>> >>>> >>>> _______________________________________________ >>>> Visit our blog: http://blog.pjsip.org >>>> >>>> pjsip mailing list >>>> pjsip at lists.pjsip.org >>>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>>> >>> >>> >>> _______________________________________________ >>> Visit our blog: http://blog.pjsip.org >>> >>> pjsip mailing list >>> pjsip at lists.pjsip.org >>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>> >> >> >> _______________________________________________ >> Visit our blog: http://blog.pjsip.org >> >> pjsip mailing list >> pjsip at lists.pjsip.org >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org