Thanks for the reply I have looked at the log and got the following log snippet which i hope is helpful. I did some googling for the line below which i thought could be a hint but with no luck ?11:32:06.266 ? ?tsx0x953264 ?Temporary failure in sending Request msg INVITE/cseq=25454 (tdta0x944200), will try next server. Err=171060 (Unsupported transport (PJSIP_EUNSUPTRANSPORT)) The Logs: ------------- 11:32:06.244 ? pjsua_core.c ?RX 595 bytes Response msg 407/INVITE/cseq=25453 (rdata0x903614) from UDP 108.59.2.137:5060: SIP/2.0 407 Proxy Authentication RequiredVia: SIP/2.0/UDP 10.15.20.133:5060;received=188.39.51.2;rport=4449;branch=z9hG4bKPjjTxOMX9-Ojn0o4kdSlEbjJ9tOS4GVg7TFrom: "FadiTest CheTest" <sip:8932152 at ourserver.com>;tag=sbCFdQpmPHw50UjOnWUd.SMbOmRZ7SJITo: sip:+44800800150 at ourserver.com;user=phone;tag=4fdf1f17ba0fc0dcebac7ca3eba0e50d.1ebeCall-ID: .UYXP.FY3jMka2fzb8wMxpi3FqnhAUAbCSeq: 25453 INVITEProxy-Authenticate: Digest realm="gateway.ourserver.com", nonce="4eba65e500001ba2081dffc62a42026ca4ee29873ed76aa1"Server: OpenSIPS (1.8.0-dev0-notls (x86_64/linux))Content-Length: 0 ?11:32:06.250 ? pjsua_core.c ?TX 469 bytes Request msg ACK/cseq=25453 (tdta0x957600) to UDP 108.59.2.137:5060: ACK sip:+44800800150 at ourserver.com;user=phone SIP/2.0Via: SIP/2.0/UDP 10.15.20.133:5060;rport;branch=z9hG4bKPjjTxOMX9-Ojn0o4kdSlEbjJ9tOS4GVg7TMax-Forwards: 70From: "FadiTest CheTest" <sip:8932152 at ourserver.com>;tag=sbCFdQpmPHw50UjOnWUd.SMbOmRZ7SJITo: sip:+44800800150 at ourserver.com;user=phone;tag=4fdf1f17ba0fc0dcebac7ca3eba0e50d.1ebeCall-ID: .UYXP.FY3jMka2fzb8wMxpi3FqnhAUAbCSeq: 25453 ACKRoute: <sip:gateway.ourserver.com;lr>Content-Length: ?0 ?11:32:06.266 ? ?tsx0x953264 ?Temporary failure in sending Request msg INVITE/cseq=25454 (tdta0x944200), will try next server. Err=171060 (Unsupported transport (PJSIP_EUNSUPTRANSPORT)) ?11:32:06.267 ? pjsua_core.c ?TX 1517 bytes Request msg INVITE/cseq=25454 (tdta0x944200) to UDP 108.59.2.137:5060: INVITE sip:+44800800150 at ourserver.com;user=phone SIP/2.0Via: SIP/2.0/UDP 10.15.20.133:5060;rport;branch=z9hG4bKPjIvZFnLHmyfcUyoCz56T0.u.0ji62tN5rMax-Forwards: 70From: "FadiTest CheTest" <sip:8932152 at ourserver.com>;tag=sbCFdQpmPHw50UjOnWUd.SMbOmRZ7SJITo: sip:+44800800150 at ourserver.com;user=phoneContact: "FadiTest CheTest" <sip:8932152 at 10.15.20.113:5060;ob>Call-ID: .UYXP.FY3jMka2fzb8wMxpi3FqnhAUAbCSeq: 25454 INVITERoute: <sip:gateway.ourserver.com;lr>Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONSSupported: replaces, 100rel, timer, norefersubSession-Expires: 1800Min-SE: 300User-Agent: OurApp Sip, iPhone App v1.1X-LP-Platform: iPhoneX-LP-Call-Quality: LowX-LP-GeoLocation: LONDON, gbX-LP-Connection-Type: Wi-FiProxy-Authorization: Digest username="8932152", realm="gateway.ourserver.com", nonce="4eba65e500001ba2081dffc62a42026ca4ee29873ed76aa1", uri="sip:+44800800150 at ourserver.com;user=phone", response="a21b9c05152f7567fd8804215183207e"Content-Type: application/sdpContent-Length: ? 426 v=0o=- 3529827125 3529827125 IN IP4 10.15.20.133s=pjmediac=IN IP4 10.15.20.133t=0 0a=X-nat:0m=audio 4000 RTP/AVP 104 3 98 97 99 8 0 96a=rtcp:4001 IN IP4 10.15.20.133a=rtpmap:104 iLBC/8000a=fmtp:104 mode=30a=rtpmap:3 GSM/8000a=rtpmap:98 speex/16000a=rtpmap:97 speex/8000a=rtpmap:99 speex/32000a=rtpmap:8 PCMA/8000a=rtpmap:0 PCMU/8000a=sendrecva=rtpmap:96 telephone-event/8000a=fmtp:96 0-15 keeps repeating the last INVITE until i get 11:32:39.288 pjsua_media.c Closing sound device after idle for 1 seconds 11:32:39.297 pjsua_media.c Closing iPhone IO device sound playback device and iPhone IO device sound capture device 11:32:39.357 coreaudio_dev. core audio stream stopped On Wed, Nov 9, 2011 at 7:36 AM, Benny Prijono <bennylp at teluu.com> wrote: > On Tue, Nov 8, 2011 at 3:25 PM, Fadi Chehimi <fchehimi at localphone.com> > wrote: >> >> Hello >> >> I am facing a weird situation. I am trying to make a call to some >> destination using?pjsua_call_make_call(..). All works fine except when >> i try to make the call with headers added as a parameter to the API. >> Looking at the server log i can see that PJSIp is sending the ACX but >> not sending the INVITE again with the received proxy invitation >> string. > > > I think you should look at the pjsip log instead. If it doesn't retry the > auth, the log should tell us why. > > ?Benny > > > _______________________________________________ > 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 > > -- ------------------------------------- Fadi Chehimi, PhD Mobile Software Engineer Tel: +44 1143 190 529 Localphone Ltd 4 Paradise Street, Sheffield, S1 2DF, UK