check out this email and following replies: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/2012-February/014124.html> Your registration refresh must be set to 600 seconds, and your SIP server must be set up to allow registration refresh of 600 seconds or more. Also relevant is this: <https://trac.pjsip.org/repos/wiki/IPAddressChange#iphone> Regards, Florian On 5/29/2012 20:50, Tom Merriewether wrote: > Hello: > I'm trying to get the PJSIP signaling socket to remain alive when my > iOS app is backgrounded. I am currently running version 1.12 of pjsip. > I have verified that my background flags are correct in the project > plist (UIBackgroundModes audio, voip) and I'm using a TCP socket. I > can see from the pjsip library debug stream that backgrounding is > enabled and that it succeeded in creation. > > Problem I am having is that when the application is backgrounded for > > 30 minutes or so it no longer receives INVITE messages in response to > a call. Has anyone dealt with this problem and succeeded in making it > work reliably? > > My iPhone is iPhone 4 > iOS = version 5.1.1 > > Thanks. > > > -- > Thomas Merriewether > Star2Star Communications > > > > > _______________________________________________ > 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
