Hello All, I am using PJSIP 1.12 with iPhone 5.0.. I am getting ?Assertion failed: (sdp_remote && m_rem), function transport_encode_sdp, file ../src/pjmedia/transport_srtp.c, line 1299.? every timeI try to call certain numbers.. First let me explain my setup: - We are using Asterisk as our SIP server.. - We are using GSM as codec. - We are using TCP to support background mode. - When I call from iphone to another iphone on the same server everything is fine. - When I call from iphone to land Line everything is fine. - When I call from iphone to US Cellphone everything is fine. the problem is when I call from iPhone to a PBX extension that is connected to the service.. and I I get the above error, to be specific the code crash only when I pick up the call from that extension.. Can someone explain to me where I can start to debug this issue.. One more thing if I tried to call from that PBX extension back to my phone it is working fine.. Thanks all, Logs: 2012-03-05 15:31:26.266 DigiMobile-iPhone[1065:707] Call 2012-03-05 15:31:26.806 DigiMobile-iPhone[1065:707] SipWrapper [account:0] Call phone Number: 9874 15:31:26.810 pjsua_media.c Opening sound device PCM at 16000/1/20ms 15:31:27.594 coreaudio_dev. core audio stream started 15:31:27.599 pjsua_call.c Making call with acc #0 to sip:9874 at 10.50.0.4 15:31:27.599 pjsua_media.c Media index 0 selected for call 1 15:31:27.602 pjsua_core.c TX 1077 bytes Request msg INVITE/cseq=3242 (tdta0x8ea000) to tcp 10.50.0.4:5060: INVITE sip:9874 at 10.50.0.4 SIP/2.0 Via: SIP/2.0/TCP 10.50.1.10:50544;rport;branch=z9hG4bKPjbnLoh4HOQboPYybLoZLhkWVGS.94tJvx Max-Forwards: 70 From: sip:77999991@10.50.0.4;tag=PxbkZXr7smjwglhT87678rIypjrr0tln To: sip:9874 at 10.50.0.4 Contact: <sip:77999991 at 10.50.1.10:5060;transport=TCP;ob> Call-ID: F3a8f5vZu0f6JEJFmlN5vIagy-P1De7h CSeq: 3242 INVITE Route: <sip:10.50.0.4;transport=tcp;lr> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Supported: replaces, 100rel, timer, norefersub Session-Expires: 1800 Min-SE: 90 User-Agent: iphone_pjsip_1_12 Content-Type: application/sdp Content-Length: 420 v=0 o=- 3539968287 3539968287 IN IP4 10.50.1.10 s=pjmedia c=IN IP4 10.50.1.10 t=0 0 a=X-nat:0 m=audio 4002 RTP/AVP 98 97 99 104 0 8 3 96 a=rtcp:4003 IN IP4 10.50.1.10 a=rtpmap:98 speex/16000 a=rtpmap:97 speex/8000 a=rtpmap:99 speex/32000 a=rtpmap:104 iLBC/8000 a=fmtp:104 mode=30 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:3 GSM/8000 a=sendrecv a=rtpmap:96 telephone-event/8000 a=fmtp:96 0-15 --end msg-- 2012-03-05 15:31:27.610 DigiMobile-iPhone[1065:707] SipWrapper [account:0] *****ON CALL STATE***** 2012-03-05 15:31:27.615 DigiMobile-iPhone[1065:707] SipWrapper [account:0] Call 1 state=CALLING 2012-03-05 15:31:27.623 DigiMobile-iPhone[1065:707] View will appear 15:31:27.671 os_core_unix.c Info: possibly re-registering existing thread 15:31:27.681 pjsua_core.c RX 537 bytes Response msg 401/INVITE/cseq=3242 (rdata0x9061bc) from tcp 10.50.0.4:5060: SIP/2.0 401 Unauthorized Via: SIP/2.0/TCP 10.50.1.10:50544;branch=z9hG4bKPjbnLoh4HOQboPYybLoZLhkWVGS.94tJvx;received=10.50.1.10;rport=50544 From: sip:77999991@10.50.0.4;tag=PxbkZXr7smjwglhT87678rIypjrr0tln To: sip:9874 at 10.50.0.4;tag=as674a7bcb Call-ID: F3a8f5vZu0f6JEJFmlN5vIagy-P1De7h CSeq: 3242 INVITE Server: TEST Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer WWW-Authenticate: Digest algorithm=MD5, realm="TEST", nonce="01895447" Content-Length: 0 --end msg-- 15:31:27.696 pjsua_core.c TX 368 bytes Request msg ACK/cseq=3242 (tdta0x990400) to tcp 10.50.0.4:5060: ACK sip:9874 at 10.50.0.4 SIP/2.0 Via: SIP/2.0/TCP 10.50.1.10:50544;rport;branch=z9hG4bKPjbnLoh4HOQboPYybLoZLhkWVGS.94tJvx Max-Forwards: 70 From: sip:77999991@10.50.0.4;tag=PxbkZXr7smjwglhT87678rIypjrr0tln To: sip:9874 at 10.50.0.4;tag=as674a7bcb Call-ID: F3a8f5vZu0f6JEJFmlN5vIagy-P1De7h CSeq: 3242 ACK Route: <sip:10.50.0.4;transport=tcp;lr> Content-Length: 0 --end msg-- 15:31:27.698 pjsua_core.c TX 1242 bytes Request msg INVITE/cseq=3243 (tdta0x8ea000) to tcp 10.50.0.4:5060: INVITE sip:9874 at 10.50.0.4 SIP/2.0 Via: SIP/2.0/TCP 10.50.1.10:50544;rport;branch=z9hG4bKPjhLxCwUUKSm84IDJIOYkc4X86gmO3AuUK Max-Forwards: 70 From: sip:77999991@10.50.0.4;tag=PxbkZXr7smjwglhT87678rIypjrr0tln To: sip:9874 at 10.50.0.4 Contact: <sip:77999991 at 10.50.1.10:5060;transport=TCP;ob> Call-ID: F3a8f5vZu0f6JEJFmlN5vIagy-P1De7h CSeq: 3243 INVITE Route: <sip:10.50.0.4;transport=tcp;lr> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Supported: replaces, 100rel, timer, norefersub Session-Expires: 1800 Min-SE: 90 User-Agent: iphone_pjsip_1_12 Authorization: Digest username="77999991", realm="TEST", nonce="01895447", uri="sip:9874 at 10.50.0.4", response="b556ea6a369402092b9cd1350cfa6528", algorithm=MD5 Content-Type: application/sdp Content-Length: 420 v=0 o=- 3539968287 3539968287 IN IP4 10.50.1.10 s=pjmedia c=IN IP4 10.50.1.10 t=0 0 a=X-nat:0 m=audio 4002 RTP/AVP 98 97 99 104 0 8 3 96 a=rtcp:4003 IN IP4 10.50.1.10 a=rtpmap:98 speex/16000 a=rtpmap:97 speex/8000 a=rtpmap:99 speex/32000 a=rtpmap:104 iLBC/8000 a=fmtp:104 mode=30 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:3 GSM/8000 a=sendrecv a=rtpmap:96 telephone-event/8000 a=fmtp:96 0-15 --end msg-- 15:31:27.726 pjsua_core.c RX 526 bytes Response msg 100/INVITE/cseq=3243 (rdata0x9061bc) from tcp 10.50.0.4:5060: SIP/2.0 100 Trying Via: SIP/2.0/TCP 10.50.1.10:50544;branch=z9hG4bKPjhLxCwUUKSm84IDJIOYkc4X86gmO3AuUK;received=10.50.1.10;rport=50544 From: sip:77999991@10.50.0.4;tag=PxbkZXr7smjwglhT87678rIypjrr0tln To: sip:9874 at 10.50.0.4 Call-ID: F3a8f5vZu0f6JEJFmlN5vIagy-P1De7h CSeq: 3243 INVITE Server: TEST Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Session-Expires: 120;refresher=uas Contact: <sip:9874 at 10.50.0.4:5060;transport=TCP> Content-Length: 0 --end msg-- 15:31:27.730 pjsua_core.c RX 799 bytes Response msg 183/INVITE/cseq=3243 (rdata0x9061bc) from tcp 10.50.0.4:5060: SIP/2.0 183 Session Progress Via: SIP/2.0/TCP 10.50.1.10:50544;branch=z9hG4bKPjhLxCwUUKSm84IDJIOYkc4X86gmO3AuUK;received=10.50.1.10;rport=50544 From: sip:77999991@10.50.0.4;tag=PxbkZXr7smjwglhT87678rIypjrr0tln To: sip:9874 at 10.50.0.4;tag=as5a9c25b2 Call-ID: F3a8f5vZu0f6JEJFmlN5vIagy-P1De7h CSeq: 3243 INVITE Server: TEST Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Session-Expires: 120;refresher=uas Contact: <sip:9874 at 10.50.0.4:5060;transport=TCP> Content-Type: application/sdp Content-Length: 215 v=0 o=root 2007926168 2007926168 IN IP4 10.50.0.4 s=TEST c=IN IP4 10.50.0.4 t=0 0 m=audio 19504 RTP/AVP 3 96 a=rtpmap:3 GSM/8000 a=rtpmap:96 telephone-event/8000 a=fmtp:96 0-16 a=ptime:20 a=sendrecv --end msg-- 2012-03-05 15:31:27.730 DigiMobile-iPhone[1065:920b] SipWrapper [account:0] *****ON CALL STATE***** 2012-03-05 15:31:27.735 DigiMobile-iPhone[1065:920b] SipWrapper [account:0] Call 1 state=EARLY 15:31:27.861 strm0x8e19b4 VAD temporarily disabled 15:31:27.862 strm0x8e19b4 Encoder stream started 15:31:27.862 strm0x8e19b4 Decoder stream started 15:31:27.863 pjsua_media.c Media updates, stream #0: GSM (sendrecv) 2012-03-05 15:31:27.864 DigiMobile-iPhone[1065:920b] SipWrapper [account:0] *****ON CALL MEDIA STATE***** 15:31:27.865 conference.c Port 1 (sip:9874 at 10.50.0.4) transmitting to port 0 (iPhone IO device) 15:31:27.865 conference.c Port 0 (iPhone IO device) transmitting to port 1 (sip:9874 at 10.50.0.4) 15:31:27.901 Master/sound Underflow, buf_cnt=0, will generate 1 frame 15:31:28.481 strm0x8e19b4 VAD re-enabled 2012-03-05 15:31:28.623 DigiMobile-iPhone[1065:707] SipWrapper [account:0] Get Call Info 2012-03-05 15:31:29.623 DigiMobile-iPhone[1065:707] SipWrapper [account:0] Get Call Info 2012-03-05 15:31:30.623 DigiMobile-iPhone[1065:707] SipWrapper [account:0] Get Call Info 15:31:31.365 pjsua_core.c RX 785 bytes Response msg 200/INVITE/cseq=3243 (rdata0x9061bc) from tcp 10.50.0.4:5060: SIP/2.0 200 OK Via: SIP/2.0/TCP 10.50.1.10:50544;branch=z9hG4bKPjhLxCwUUKSm84IDJIOYkc4X86gmO3AuUK;received=10.50.1.10;rport=50544 From: sip:77999991@10.50.0.4;tag=PxbkZXr7smjwglhT87678rIypjrr0tln To: sip:9874 at 10.50.0.4;tag=as5a9c25b2 Call-ID: F3a8f5vZu0f6JEJFmlN5vIagy-P1De7h CSeq: 3243 INVITE Server: TEST Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Session-Expires: 120;refresher=uas Contact: <sip:9874 at 10.50.0.4:5060;transport=TCP> Content-Type: application/sdp Content-Length: 215 v=0 o=root 2007926168 2007926169 IN IP4 10.50.0.4 s=TEST c=IN IP4 10.50.0.4 t=0 0 m=audio 19504 RTP/AVP 3 96 a=rtpmap:3 GSM/8000 a=rtpmap:96 telephone-event/8000 a=fmtp:96 0-16 a=ptime:20 a=sendrecv --end msg-- 2012-03-05 15:31:31.366 DigiMobile-iPhone[1065:920b] SipWrapper [account:0] *****ON CALL STATE***** 2012-03-05 15:31:31.371 DigiMobile-iPhone[1065:920b] SipWrapper [account:0] Call 1 state=CONNECTING 15:31:31.374 inv0x99c864 SDP negotiation done, message body is ignored 15:31:31.375 pjsua_core.c TX 346 bytes Request msg ACK/cseq=3243 (tdta0x990400) to tcp 10.50.0.4:5060: ACK sip:9874 at 10.50.0.4:5060;transport=TCP SIP/2.0 Via: SIP/2.0/TCP 10.50.1.10:50544;rport;branch=z9hG4bKPjOSEpL-oDoYUwgfLJlJuIE1ahXztHSHzD Max-Forwards: 70 From: sip:77999991@10.50.0.4;tag=PxbkZXr7smjwglhT87678rIypjrr0tln To: sip:9874 at 10.50.0.4;tag=as5a9c25b2 Call-ID: F3a8f5vZu0f6JEJFmlN5vIagy-P1De7h CSeq: 3243 ACK Content-Length: 0 --end msg-- 2012-03-05 15:31:31.376 DigiMobile-iPhone[1065:920b] SipWrapper [account:0] *****ON CALL STATE***** 2012-03-05 15:31:31.389 DigiMobile-iPhone[1065:920b] SipWrapper [account:0] Call 1 state=CONFIRMED 15:31:31.393 pjsua_core.c RX 703 bytes Request msg UPDATE/cseq=102 (rdata0x9061bc) from tcp 10.50.0.4:5060: UPDATE sip:77999991 at 10.50.1.10:5060;transport=TCP;ob SIP/2.0 Via: SIP/2.0/TCP 10.50.0.4:5060;branch=z9hG4bK4b370dd7;rport Max-Forwards: 70 From: sip:9874@10.50.0.4;tag=as5a9c25b2 To: sip:77999991 at 10.50.0.4;tag=PxbkZXr7smjwglhT87678rIypjrr0tln Contact: <sip:9874 at 10.50.0.4:5060;transport=TCP> Call-ID: F3a8f5vZu0f6JEJFmlN5vIagy-P1De7h CSeq: 102 UPDATE User-Agent: TEST Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer X-asterisk-Info: SIP re-invite (External RTP bridge) Content-Type: application/sdp Content-Length: 102 v=0 o=root 2007926168 2007926170 IN IP4 172.16.201.225 s=TEST c=IN IP4 172.16.201.225 t=0 0 --end msg-- 15:31:31.396 pjsua_call.c Call 1: received updated media offer Assertion failed: (sdp_remote && m_rem), function transport_encode_sdp, file ../src/pjmedia/transport_srtp.c, line 1299. 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