Try to send a request to a server on which you can listen for incoming packets. Start tcpdump on port 5060 on your server and look for incoming SIP packets from the iphone. What is the upstream? Wifi? If Wifi then use an unencrypted access point and use wireshark on another PC in the same WiFi network. If you see that pjsip sends TCP syn packets to port 5060 then the problem is with the SIP provider. regards Klaus Am 22.11.2010 01:54, schrieb Thomas Martin: > Hi Everybody, > > working on an iOS4 App with SIP capabilities I am struggling to receive incoming_call notifications while being in background mode. > > I believe, my current problem has to do with the configuration of TCP as the transport (which is a prerequisite for this functionality). - I basically followed the pjsua-reference-implementation for UDP and TCP transport configuration and also appended "transport=tcp;" to the registrar-uri when adding an account. The following is what I see in the debugger console (iPhone-device - not simulator) once the App launched: > > ====================================================================================================================== > > 01:26:29.855 os_core_unix.c pjlib 1.8.5 for POSIX initialized > 01:26:30.006 sip_endpoint.c Creating endpoint instance... > 01:26:30.010 pjlib select() I/O Queue created (0x835f30) > 01:26:30.011 sip_endpoint.c Module "mod-msg-print" registered > 01:26:30.011 sip_transport. Transport manager created. > 01:26:30.026 sip_endpoint.c Module "mod-pjsua-log" registered > 01:26:30.027 sip_endpoint.c Module "mod-tsx-layer" registered > 01:26:30.028 sip_endpoint.c Module "mod-stateful-util" registered > 01:26:30.029 sip_endpoint.c Module "mod-ua" registered > 01:26:30.030 sip_endpoint.c Module "mod-100rel" registered > 01:26:30.030 sip_endpoint.c Module "mod-pjsua" registered > 01:26:30.032 sip_endpoint.c Module "mod-invite" registered > 01:26:30.038 coreaudio_dev. core audio initialized > 01:26:30.040 pjlib select() I/O Queue created (0x83dc14) > 01:26:30.076 sip_endpoint.c Module "mod-evsub" registered > 01:26:30.078 sip_endpoint.c Module "mod-presence" registered > 01:26:30.079 sip_endpoint.c Module "mod-mwi" registered > 01:26:30.079 sip_endpoint.c Module "mod-refer" registered > 01:26:30.079 sip_endpoint.c Module "mod-pjsua-pres" registered > 01:26:30.080 sip_endpoint.c Module "mod-pjsua-im" registered > 01:26:30.080 sip_endpoint.c Module "mod-pjsua-options" registered > 01:26:30.080 pjsua_core.c 1 SIP worker threads created > 01:26:30.080 pjsua_core.c pjsua version 1.8.5 for arm-apple-darwin9 initialized > 01:26:30.083 pjsua_core.c SIP UDP socket reachable at 192.168.1.102:55796 > 01:26:30.085 udp0x844800 SIP UDP transport started, published address is 192.168.1.102:55796 > 01:26:30.087 pjsua_acc.c Account<sip:192.168.1.102:55796> added with id 0 > 01:26:30.089 tcplis:55796 SIP TCP listener ready for incoming connections at 192.168.1.102:55796 > 01:26:30.090 pjsua_acc.c Account<sip:192.168.1.102:55796;transport=TCP> added with id 1 > 01:26:30.093 pjsua_media.c RTP socket reachable at 192.168.1.102:4000 > 01:26:30.093 pjsua_media.c RTCP socket reachable at 192.168.1.102:4001 > 01:26:30.096 pjsua_media.c RTP socket reachable at 192.168.1.102:4002 > 01:26:30.096 pjsua_media.c RTCP socket reachable at 192.168.1.102:4003 > 01:26:30.098 pjsua_media.c RTP socket reachable at 192.168.1.102:4004 > 01:26:30.098 pjsua_media.c RTCP socket reachable at 192.168.1.102:4005 > 01:26:30.101 pjsua_media.c RTP socket reachable at 192.168.1.102:4006 > 01:26:30.101 pjsua_media.c RTCP socket reachable at 192.168.1.102:4007 > 01:26:30.102 sip_endpoint.c Module "mod-unsolicited-mwi" registered > 01:26:47.518 pjsua_acc.c Account sip:abcdefg at sipgate.de added with id 2 > 01:26:47.529 tcpc0x89da14 TCP client transport created > 01:26:47.530 tcpc0x89da14 TCP transport 192.168.1.102:49774 is connecting to 217.10.79.9:5060... > 01:26:47.530 pjsua_core.c TX 575 bytes Request msg REGISTER/cseq=15489 (tdta0x89ca00) to tcp 217.10.79.9:5060: > REGISTER sip:sipgate.de;transport=tcp SIP/2.0 > Via: SIP/2.0/TCP 192.168.1.102:49774;rport;branch=z9hG4bKPjtxO7dXv3Agj8FtQQBEuJw6Io7fMZrlui > Route:<sip:sipgate.de;transport=tcp;lr> > Max-Forwards: 70 > From:<sip:abcdefg at sipgate.de>;tag=WnuqiBOF4NQDbj5VyO.jf9x9jCP2LbZi > To:<sip:abcdefg at sipgate.de> > Call-ID: F8QztBfWuoR2DzFOmfiM2WUNhhaE.B-b > CSeq: 15489 REGISTER > User-Agent: SIP01 > Contact:<sip:abcdefg at 192.168.1.102:55796;transport=TCP> > Expires: 300 > Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS > Content-Length: 0 > > > --end msg-- > 01:26:47.531 pjsua_acc.c Registration sent > 01:26:47.781 tcpc0x89da14 TCP connect() error: Connection refused [code=120061] > 01:26:47.782 tsx0x872064 Failed to send Request msg REGISTER/cseq=15489 (tdta0x89ca00)! err=120061 (Connection refused) > 01:26:47.782 pjsua_acc.c SIP registration failed, status=503 (Connection refused) > > Service Unavailable Statuscode -1 AccountID2 > > 01:26:47.791 pjsua_acc.c Account id 2 deleted > > 01:26:47.791 tcpc0x89da14 TCP transport destroyed with reason 120061: Connection refused > > ===================================================================================================================== > > When I do NOT append "transport=tcp;" to the registrar-uri (hence, TCP is not used) the account registration is successful - in this case, no notifications are received, though, while in backgroundmode. - I have tried different SIP services (e.g. netvoip.ch, VoipBuster) yielding the same result. > > Any hints are greatly appreciated!! > > Cheers, > > Thomas > > > _______________________________________________ > 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
