Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Transport | Sending WebSocket message: INVITE sip:4070294387-3290763754-3024680239-0261945650@192.168.40.60 SIP/2.0 Via: SIP/2.0/WSS jog5du08njgb.invalid;branch=z9hG4bK5271910 To: From: ;tag=72b0jrp1d7 CSeq: 1 INVITE Call-ID: oe4gpd0n1tadm33js9jk Max-Forwards: 70 X-Conference-Server: 192.168.40.60:5071 Contact: Allow: ACK,CANCEL,INVITE,MESSAGE,BYE,OPTIONS,INFO,NOTIFY,REFER Supported: outbound User-Agent: SIP.js/0.16.1 Content-Type: application/sdp Content-Length: 7316 v=0 o=- 7484993664225157263 2 IN IP4 127.0.0.1 s=- t=0 0 a=group:BUNDLE 0 1 a=msid-semantic: WMS Bi77EOXmA1WBhPgkJqUgA7m7ZRDnrDv3l7kb m=audio 64317 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126 c=IN IP4 82.166.70.46 a=rtcp:9 IN IP4 0.0.0.0 a=candidate:2999745851 1 udp 2122260223 192.168.56.1 64315 typ host generation 0 network-id 1 a=candidate:4130368488 1 udp 2122194687 172.17.151.129 64316 typ host generation 0 network-id 2 a=candidate:248519919 1 udp 2122129151 192.168.38.101 64317 typ host generation 0 network-id 3 a=candidate:3260883836 1 udp 1685921535 82.166.70.46 64317 typ srflx raddr 192.168.38.101 rport 64317 generation 0 network-id 3 a=candidate:4233069003 1 tcp 1518280447 192.168.56.1 9 typ host tcptype active generation 0 network-id 1 a=candidate:3098777368 1 tcp 1518214911 172.17.151.129 9 typ host tcptype active generation 0 network-id 2 a=candidate:1079238687 1 tcp 1518149375 192.168.38.101 9 typ host tcptype active generation 0 network-id 3 a=ice-ufrag:6/n6 a=ice-pwd:gFwjfJXYT5Vg+LKHgROaPXo+ a=ice-options:trickle a=fingerprint:sha-256 C3:C7:B7:2B:90:00:37:2D:C1:4B:FC:2B:13:A0:B1:58:1A:4D:5B:8D:D4:D0:A4:F8:11:5E:98:19:2A:72:56:B5 a=setup:actpass a=mid:0 a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time a=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01 a=extmap:4 urn:ietf:params:rtp-hdrext:sdes:mid a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id a=extmap:6 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id a=sendrecv a=msid:Bi77EOXmA1WBhPgkJqUgA7m7ZRDnrDv3l7kb 78dd7232-c3b6-48f3-8d41-d4565488787d a=rtcp-mux a=rtpmap:111 opus/48000/2 a=rtcp-fb:111 transport-cc a=fmtp:111 minptime=10;useinbandfec=1 a=rtpmap:103 ISAC/16000 a=rtpmap:104 ISAC/32000 a=rtpmap:9 G722/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:106 CN/32000 a=rtpmap:105 CN/16000 a=rtpmap:13 CN/8000 a=rtpmap:110 telephone-event/48000 a=rtpmap:112 telephone-event/32000 a=rtpmap:113 telephone-event/16000 a=rtpmap:126 telephone-event/8000 a=ssrc:833816887 cname:eToHFBUS1m2BRPfv a=ssrc:833816887 msid:Bi77EOXmA1WBhPgkJqUgA7m7ZRDnrDv3l7kb 78dd7232-c3b6-48f3-8d41-d4565488787d a=ssrc:833816887 mslabel:Bi77EOXmA1WBhPgkJqUgA7m7ZRDnrDv3l7kb a=ssrc:833816887 label:78dd7232-c3b6-48f3-8d41-d4565488787d m=video 64320 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102 122 127 121 125 107 108 109 124 120 123 119 114 115 116 c=IN IP4 82.166.70.46 a=rtcp:9 IN IP4 0.0.0.0 a=candidate:2999745851 1 udp 2122260223 192.168.56.1 64318 typ host generation 0 network-id 1 a=candidate:4130368488 1 udp 2122194687 172.17.151.129 64319 typ host generation 0 network-id 2 a=candidate:248519919 1 udp 2122129151 192.168.38.101 64320 typ host generation 0 network-id 3 a=candidate:3260883836 1 udp 1685921535 82.166.70.46 64320 typ srflx raddr 192.168.38.101 rport 64320 generation 0 network-id 3 a=candidate:4233069003 1 tcp 1518280447 192.168.56.1 9 typ host tcptype active generation 0 network-id 1 a=candidate:3098777368 1 tcp 1518214911 172.17.151.129 9 typ host tcptype active generation 0 network-id 2 a=candidate:1079238687 1 tcp 1518149375 192.168.38.101 9 typ host tcptype active generation 0 network-id 3 a=ice-ufrag:6/n6 a=ice-pwd:gFwjfJXYT5Vg+LKHgROaPXo+ a=ice-options:trickle a=fingerprint:sha-256 C3:C7:B7:2B:90:00:37:2D:C1:4B:FC:2B:13:A0:B1:58:1A:4D:5B:8D:D4:D0:A4:F8:11:5E:98:19:2A:72:56:B5 a=setup:actpass a=mid:1 a=extmap:14 urn:ietf:params:rtp-hdrext:toffset a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time a=extmap:13 urn:3gpp:video-orientation a=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01 a=extmap:12 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay a=extmap:11 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type a=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-timing a=extmap:8 http://tools.ietf.org/html/draft-ietf-avtext-framemarking-07 a=extmap:9 http://www.webrtc.org/experiments/rtp-hdrext/color-space a=extmap:4 urn:ietf:params:rtp-hdrext:sdes:mid a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id a=extmap:6 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id a=sendrecv a=msid:Bi77EOXmA1WBhPgkJqUgA7m7ZRDnrDv3l7kb 02facace-f5f6-479c-8d98-e12e99e6378f a=rtcp-mux a=rtcp-rsize a=rtpmap:96 VP8/90000 a=rtcp-fb:96 goog-remb a=rtcp-fb:96 transport-cc a=rtcp-fb:96 ccm fir a=rtcp-fb:96 nack a=rtcp-fb:96 nack pli a=rtpmap:97 rtx/90000 a=fmtp:97 apt=96 a=rtpmap:98 VP9/90000 a=rtcp-fb:98 goog-remb a=rtcp-fb:98 transport-cc a=rtcp-fb:98 ccm fir a=rtcp-fb:98 nack a=rtcp-fb:98 nack pli a=fmtp:98 profile-id=0 a=rtpmap:99 rtx/90000 a=fmtp:99 apt=98 a=rtpmap:100 VP9/90000 a=rtcp-fb:100 goog-remb a=rtcp-fb:100 transport-cc a=rtcp-fb:100 ccm fir a=rtcp-fb:100 nack a=rtcp-fb:100 nack pli a=fmtp:100 profile-id=2 a=rtpmap:101 rtx/90000 a=fmtp:101 apt=100 a=rtpmap:102 H264/90000 a=rtcp-fb:102 goog-remb a=rtcp-fb:102 transport-cc a=rtcp-fb:102 ccm fir a=rtcp-fb:102 nack a=rtcp-fb:102 nack pli a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f a=rtpmap:122 rtx/90000 a=fmtp:122 apt=102 a=rtpmap:127 H264/90000 a=rtcp-fb:127 goog-remb a=rtcp-fb:127 transport-cc a=rtcp-fb:127 ccm fir a=rtcp-fb:127 nack a=rtcp-fb:127 nack pli a=fmtp:127 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f a=rtpmap:121 rtx/90000 a=fmtp:121 apt=127 a=rtpmap:125 H264/90000 a=rtcp-fb:125 goog-remb a=rtcp-fb:125 transport-cc a=rtcp-fb:125 ccm fir a=rtcp-fb:125 nack a=rtcp-fb:125 nack pli a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f a=rtpmap:107 rtx/90000 a=fmtp:107 apt=125 a=rtpmap:108 H264/90000 a=rtcp-fb:108 goog-remb a=rtcp-fb:108 transport-cc a=rtcp-fb:108 ccm fir a=rtcp-fb:108 nack a=rtcp-fb:108 nack pli a=fmtp:108 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f a=rtpmap:109 rtx/90000 a=fmtp:109 apt=108 a=rtpmap:124 H264/90000 a=rtcp-fb:124 goog-remb a=rtcp-fb:124 transport-cc a=rtcp-fb:124 ccm fir a=rtcp-fb:124 nack a=rtcp-fb:124 nack pli a=fmtp:124 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d0032 a=rtpmap:120 rtx/90000 a=fmtp:120 apt=124 a=rtpmap:123 H264/90000 a=rtcp-fb:123 goog-remb a=rtcp-fb:123 transport-cc a=rtcp-fb:123 ccm fir a=rtcp-fb:123 nack a=rtcp-fb:123 nack pli a=fmtp:123 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640032 a=rtpmap:119 rtx/90000 a=fmtp:119 apt=123 a=rtpmap:114 red/90000 a=rtpmap:115 rtx/90000 a=fmtp:115 apt=114 a=rtpmap:116 ulpfec/90000 a=ssrc-group:FID 2768062763 3615329563 a=ssrc:2768062763 cname:eToHFBUS1m2BRPfv a=ssrc:2768062763 msid:Bi77EOXmA1WBhPgkJqUgA7m7ZRDnrDv3l7kb 02facace-f5f6-479c-8d98-e12e99e6378f a=ssrc:2768062763 mslabel:Bi77EOXmA1WBhPgkJqUgA7m7ZRDnrDv3l7kb a=ssrc:2768062763 label:02facace-f5f6-479c-8d98-e12e99e6378f a=ssrc:3615329563 cname:eToHFBUS1m2BRPfv a=ssrc:3615329563 msid:Bi77EOXmA1WBhPgkJqUgA7m7ZRDnrDv3l7kb 02facace-f5f6-479c-8d98-e12e99e6378f a=ssrc:3615329563 mslabel:Bi77EOXmA1WBhPgkJqUgA7m7ZRDnrDv3l7kb a=ssrc:3615329563 label:02facace-f5f6-479c-8d98-e12e99e6378f logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Transport | Received WebSocket text message: SIP/2.0 100 trying -- your call is important to us Via: SIP/2.0/WSS jog5du08njgb.invalid;branch=z9hG4bK5271910;rport=52283;received=192.168.38.101 To: From: ;tag=72b0jrp1d7 CSeq: 1 INVITE Call-ID: oe4gpd0n1tadm33js9jk Server: kamailio (5.3.4 (x86_64/linux)) Content-Length: 0 logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Inviter | Inviter.onTrying logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.SessionDescriptionHandler | ICE Connection State changed to iceConnectionChecking logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Transport | Received WebSocket text message: SIP/2.0 183 Session Progress Via: SIP/2.0/WSS jog5du08njgb.invalid;rport=52283;received=192.168.38.101;branch=z9hG4bK5271910 Record-Route: Record-Route: From: ;tag=72b0jrp1d7 To: ;tag=BSHF0yjcarHra Call-ID: oe4gpd0n1tadm33js9jk CSeq: 1 INVITE Contact: User-Agent: FreeSWITCH-mod_sofia/1.10.3-release+git~20200511T105455Z~129de34d84~64bit Accept: application/sdp Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY Supported: timer, path, replaces Allow-Events: talk, hold, conference, refer Content-Type: application/sdp Content-Disposition: session Content-Length: 866 Remote-Party-ID: "4070294387-3290763754-3024680239-0261945650" ;party=calling;privacy=off;screen=no v=0 o=FreeSWITCH 1594618818 1594618819 IN IP4 192.168.40.60 s=FreeSWITCH c=IN IP4 192.168.40.60 t=0 0 a=msid-semantic: WMS BBDYNk8x5fhJHCu5FbMTL03m7lrOSl3k m=audio 23006 RTP/SAVPF 0 126 a=ssrc:1460650428 cname:Nw8qH7NDcUcKmxFS a=ssrc:1460650428 msid:BBDYNk8x5fhJHCu5FbMTL03m7lrOSl3k a0 a=ssrc:1460650428 mslabel:BBDYNk8x5fhJHCu5FbMTL03m7lrOSl3k a=ssrc:1460650428 label:BBDYNk8x5fhJHCu5FbMTL03m7lrOSl3ka0 a=rtpmap:0 PCMU/8000 a=rtpmap:126 telephone-event/8000 a=sendrecv a=rtcp:23007 a=setup:holdconn a=fingerprint:sha-1 08:4A:BE:17:34:F8:A9:30:91:A9:E0:2E:6E:D1:EE:88:D5:24:43:3C a=ptime:20 a=ice-ufrag:Gs4N2NiP a=ice-pwd:2Kkpd3OPzqcDAoiJ982rn35M72 a=candidate:5xUnJz3ZC61vMsCt 1 UDP 2130706431 192.168.40.60 23006 typ host a=candidate:5xUnJz3ZC61vMsCt 2 UDP 2130706430 192.168.40.60 23007 typ host a=end-of-candidates m=video 0 RTP/SAVPF 19 logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.invite-dialog | INVITE dialog oe4gpd0n1tadm33js9jk72b0jrp1d7BSHF0yjcarHra constructed logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Inviter | Inviter.onProgress logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Transport | Received WebSocket text message: SIP/2.0 200 OK Via: SIP/2.0/WSS jog5du08njgb.invalid;rport=52283;received=192.168.38.101;branch=z9hG4bK5271910 Record-Route: Record-Route: From: ;tag=72b0jrp1d7 To: ;tag=BSHF0yjcarHra Call-ID: oe4gpd0n1tadm33js9jk CSeq: 1 INVITE Contact: ;isfocus User-Agent: FreeSWITCH-mod_sofia/1.10.3-release+git~20200511T105455Z~129de34d84~64bit Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY Supported: timer, path, replaces Allow-Events: talk, hold, conference, refer Content-Type: application/sdp Content-Disposition: session Content-Length: 866 Remote-Party-ID: "4070294387-3290763754-3024680239-0261945650" ;party=calling;privacy=off;screen=no v=0 o=FreeSWITCH 1594618818 1594618819 IN IP4 192.168.40.60 s=FreeSWITCH c=IN IP4 192.168.40.60 t=0 0 a=msid-semantic: WMS BBDYNk8x5fhJHCu5FbMTL03m7lrOSl3k m=audio 23006 RTP/SAVPF 0 126 a=ssrc:1460650428 cname:Nw8qH7NDcUcKmxFS a=ssrc:1460650428 msid:BBDYNk8x5fhJHCu5FbMTL03m7lrOSl3k a0 a=ssrc:1460650428 mslabel:BBDYNk8x5fhJHCu5FbMTL03m7lrOSl3k a=ssrc:1460650428 label:BBDYNk8x5fhJHCu5FbMTL03m7lrOSl3ka0 a=rtpmap:0 PCMU/8000 a=rtpmap:126 telephone-event/8000 a=sendrecv a=rtcp:23007 a=setup:holdconn a=fingerprint:sha-1 08:4A:BE:17:34:F8:A9:30:91:A9:E0:2E:6E:D1:EE:88:D5:24:43:3C a=ptime:20 a=ice-ufrag:Gs4N2NiP a=ice-pwd:2Kkpd3OPzqcDAoiJ982rn35M72 a=candidate:5xUnJz3ZC61vMsCt 1 UDP 2130706431 192.168.40.60 23006 typ host a=candidate:5xUnJz3ZC61vMsCt 2 UDP 2130706430 192.168.40.60 23007 typ host a=end-of-candidates m=video 0 RTP/SAVPF 19 logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Inviter | Inviter.onAccept logger-factory.js:85 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.SessionDescriptionHandler | setRemoteDescription failed. OperationError Failed to execute 'setRemoteDescription' on 'RTCPeerConnection': Session error code: ERROR_CONTENT. Session error description: The m= section:0 is invalid. RTCP-MUX is not enabled when it is required.. print @ logger-factory.js:85 genericLog @ logger-factory.js:65 genericLog @ logger.js:25 error @ logger.js:13 (anonymous) @ session-description-handler.js:228 Promise.catch (async) setDescription @ session-description-handler.js:209 (anonymous) @ session-description-handler.js:215 Promise.catch (async) setDescription @ session-description-handler.js:209 setAnswer @ session.js:983 onAccept @ inviter.js:764 onAccept @ inviter.js:547 receiveResponse @ invite-user-agent-client.js:235 receiveResponse @ user-agent-client.js:300 receiveResponse @ invite-client-transaction.js:184 receiveResponseFromTransport @ user-agent-core.js:776 receiveIncomingResponseFromTransport @ user-agent-core.js:172 onTransportMessage @ user-agent.js:787 transport.onMessage @ user-agent.js:679 onWebSocketMessage @ transport.js:422 (anonymous) @ transport.js:214 logger-factory.js:85 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Inviter | Session.setAnswer: SDH setDescription rejected... print @ logger-factory.js:85 genericLog @ logger-factory.js:65 genericLog @ logger.js:25 error @ logger.js:13 (anonymous) @ session.js:985 Promise.catch (async) setAnswer @ session.js:983 onAccept @ inviter.js:764 onAccept @ inviter.js:547 receiveResponse @ invite-user-agent-client.js:235 receiveResponse @ user-agent-client.js:300 receiveResponse @ invite-client-transaction.js:184 receiveResponseFromTransport @ user-agent-core.js:776 receiveIncomingResponseFromTransport @ user-agent-core.js:172 onTransportMessage @ user-agent.js:787 transport.onMessage @ user-agent.js:679 onWebSocketMessage @ transport.js:422 (anonymous) @ transport.js:214 logger-factory.js:85 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Inviter | setRemoteDescription failed. OperationError Failed to execute 'setRemoteDescription' on 'RTCPeerConnection': Session error code: ERROR_CONTENT. Session error description: The m= section:0 is invalid. RTCP-MUX is not enabled when it is required.. print @ logger-factory.js:85 genericLog @ logger-factory.js:65 genericLog @ logger.js:25 error @ logger.js:13 (anonymous) @ session.js:987 Promise.catch (async) setAnswer @ session.js:983 onAccept @ inviter.js:764 onAccept @ inviter.js:547 receiveResponse @ invite-user-agent-client.js:235 receiveResponse @ user-agent-client.js:300 receiveResponse @ invite-client-transaction.js:184 receiveResponseFromTransport @ user-agent-core.js:776 receiveIncomingResponseFromTransport @ user-agent-core.js:172 onTransportMessage @ user-agent.js:787 transport.onMessage @ user-agent.js:679 onWebSocketMessage @ transport.js:422 (anonymous) @ transport.js:214 logger-factory.js:85 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Inviter | setRemoteDescription failed. OperationError Failed to execute 'setRemoteDescription' on 'RTCPeerConnection': Session error code: ERROR_CONTENT. Session error description: The m= section:0 is invalid. RTCP-MUX is not enabled when it is required.. print @ logger-factory.js:85 genericLog @ logger-factory.js:65 genericLog @ logger.js:25 error @ logger.js:13 (anonymous) @ inviter.js:777 Promise.catch (async) onAccept @ inviter.js:776 onAccept @ inviter.js:547 receiveResponse @ invite-user-agent-client.js:235 receiveResponse @ user-agent-client.js:300 receiveResponse @ invite-client-transaction.js:184 receiveResponseFromTransport @ user-agent-core.js:776 receiveIncomingResponseFromTransport @ user-agent-core.js:172 onTransportMessage @ user-agent.js:787 transport.onMessage @ user-agent.js:679 onWebSocketMessage @ transport.js:422 (anonymous) @ transport.js:214 logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.invite-dialog | INVITE dialog oe4gpd0n1tadm33js9jk72b0jrp1d7BSHF0yjcarHra sending ACK request logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Transport | Sending WebSocket message: ACK sip:4070294387-3290763754-3024680239-0261945650@192.168.40.60:5071;transport=tcp SIP/2.0 Route: Route: Via: SIP/2.0/WSS jog5du08njgb.invalid;branch=z9hG4bK7168453 To: ;tag=BSHF0yjcarHra From: ;tag=72b0jrp1d7 CSeq: 1 ACK Call-ID: oe4gpd0n1tadm33js9jk Max-Forwards: 70 Supported: outbound User-Agent: SIP.js/0.16.1 Content-Length: 0 logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.invite-dialog | INVITE dialog oe4gpd0n1tadm33js9jk72b0jrp1d7BSHF0yjcarHra sending BYE request logger-factory.js:93 Mon Jul 13 2020 14:13:56 GMT+0300 (Israel Daylight Time) | sip.Transport | Sending WebSocket message: BYE sip:4070294387-3290763754-3024680239-0261945650@192.168.40.60:5071;transport=tcp SIP/2.0 Route: Route: Via: SIP/2.0/WSS jog5du08njgb.invalid;branch=z9hG4bK6791184 To: ;tag=BSHF0yjcarHra From: ;tag=72b0jrp1d7 CSeq: 2 BYE Call-ID: oe4gpd0n1tadm33js9jk Max-Forwards: 70 Reason: SIP;cause=488;text="Not Acceptable Here" Supported: outbound User-Agent: SIP.js/0.16.1 Content-Length: 0