21 Sep
2021
21 Sep
'21
2:03 p.m.
Hello,
the contact of the 183 has no transport parameter, which means it is the default one, respectively UDP. If the Provider wants traffic over TCP, the contact has to be with that transport parameter.
I see that incoming PRACK has R-URI without transport parameter, but the one to be forwarded has a malformed version where transport=tcp is misplaced, probably due to a wrong config operation. If you do it in kamailio.cfg, you have to append ";transport=tcp" to $ru (whole r-uri), not to $rU (only user part of r-uri).
Cheers, Daniel
On 21.09.21 15:29, Angelo Sipper wrote:
Correction UAC (OverTLS) ->(TLS)Kamailio1(UDP)-> (UDP)Kamailio2(TCP)-> (TCP)Provider
Στις Τρί, 21 Σεπ 2021 στις 4:28 μ.μ., ο/η Angelo Sipper <sippro97@gmail.com mailto:sippro97@gmail.com> έγραψε:
Hello, We have the following setup and I am having trouble passing the PRACK with correct protocol to the provider. UAC (OverTLS) ->(UDP)Kamailio1 (UDP)-> (UDP)Kamailio2 (TCP)-> (TCP)Provider UAC : 10.2.1.160 NATED to 100.100.100.61 <http://50.50.50.50:5065/> (TLS) Kamailio1 Sockets: 50.50.50.210:5061 <http://170.170.170.210:5061/> (TLS),50.50.50.210:5060 <http://170.170.170.210:5060/> (UDP) Kamailio2 Sockets: 50.50.50.182:5060 <http://170.170.170.170:5060/> (UDP) 50.50.50.182:5080 <http://170.170.170.170:5060/> (TCP) Provider: 200.200.200.209:5060 <http://200.200.200.193:5060/> (TCP) We use dispatcher on Kamailio1 & Kamailio2 The invite goes fine from UCA up to the provider and the provider responses arrive to UAC fine. The PRACK from UAC to kamailio1 goes fine to Kamaili02 but, Kamailio2 uses the UDP socket to send to the provider so the PRACK does not arrive to the provider and the call is canceled. If the provider is on UDP everything works fine. Below I have the trace. What should I look for in the config to resolve this wrong protocol/socket on the PRACK? Kamailio2 Details: Sockets ====== listen=udp:50.50.50.182:5060 <http://50.50.50.182:5060> listen=tcp: 50.50.50.182:5080 <http://50.50.50.182:5080> On the rr module I have ================== modparam("rr", "enable_double_rr", 1) modparam("rr", "append_fromtag", 1) modparam("rr", "enable_full_lr", 1) CONFIG REQINIT & WITHINDLG PARTS ================================ route[REQINIT] { set_reply_no_connect(); force_rport(); if (!mf_process_maxfwd_header("10")) { xlog("L_ERROR","Too Many Hops Rejecting!"); sl_send_reply("483","Too Many Hops"); exit; } if(is_method("OPTIONS") && uri==myself && $rU==$null) { sl_send_reply("200","Keepalive"); exit; } if(!sanity_check("1511", "7")) { xlog("Malformed SIP message from $si:$sp sanity 1511\n"); exit; } if(!sanity_check("17895", "7")) { xlog("Malformed SIP request from $si:$sp sanity 17895\n"); exit; } } route[WITHINDLG] { if (!has_totag()) return; if (loose_route()) { if (is_method("BYE")) { rtpengine_query(); rtpengine_delete(); } route(RELAY_OUT); } if ( is_method("ACK") ) { #if (t_lookup_request()) { if (t_check_trans()) { route(RELAY_OUT); exit; } else { # ACK without matching transaction ... ignore and discard exit; } } sl_send_reply("404","Not Allowed"); exit; } TRACE ====== 50.50.50.210:5060 <http://50.50.50.210:5060> 50.50.50.182:5060 <http://50.50.50.182:5060> 50.50.50.182:32818 <http://50.50.50.182:32818> 200.200.200.209:5060 <http://200.200.200.209:5060> qqqqqqqqqqwqqqqqqq qqqqqqqqqqwqqqqqqq qqqqqqqqqqwqqqqqqqq qqqqqqqqqqqwqqqqqqqqq a 15:31:11.787490 x INVITE (SDP) x x x a +0.003099 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x x x a 15:31:11.790589 x 100 trying -- your call is x x x a +0.002220 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x x x a 15:31:11.792809 x x x INVITE (SDP) x a +0.020725 x x x qqqqqqqqqqqqqqqqqqqqqqqqqq> x a 15:31:11.813534 x x x 100 Trying x a +2.628884 x x x <qqqqqqqqqqqqqqqqqqqqqqqqqq x a 15:31:14.442418 x x x 183 Session Progress (SDP) x a +0.001572 x x x <qqqqqqqqqqqqqqqqqqqqqqqqqq x a 15:31:14.443990 x 183 Session Progress (SDP) x x x a +0.299221 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x x x a 15:31:14.743211 x PRACK x x x a +0.043114 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x x x a 15:31:14.786325 x x PRACK x a +0.448104 x x qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq> x a 15:31:15.234429 x PRACK x x x a +0.045697 x qqqqqqqqqqqqqqqqqqqqqqqq>>> x x x a 15:31:15.280126 x x PRACK x a +0.954153 x x qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>> x a 15:31:16.234279 x PRACK x x x a +0.045832 x qqqqqqqqqqqqqqqqqqqqqqqq>>> x x x a 15:31:16.280111 x x PRACK x a +1.954170 x x qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>> x a 15:31:18.234281 x PRACK x x x a +0.045839 x qqqqqqqqqqqqqqqqqqqqqqqq>>> x x x a 15:31:18.280120 x x PRACK x a +1.829676 x x qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>> x a 15:31:20.109796 x x x 183 Session Progress (SDP) x a +0.001460 x x x <<<qqqqqqqqqqqqqqqqqqqqqqqq x a 15:31:20.111256 x 183 Session Progress (SDP) x x x a +2.123075 x <<<qqqqqqqqqqqqqqqqqqqqqqqq x x x a 15:31:22.234331 x PRACK x x x a +0.045825 x qqqqqqqqqqqqqqqqqqqqqqqq>>> x x x a 15:31:22.280156 x x PRACK x a +2.239640 x x qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>> x a 15:31:24.519796 x x x 486 Busy Here x a +0.000555 x x x <qqqqqqqqqqqqqqqqqqqqqqqqqq x a 15:31:24.520351 x x x ACK x a +0.008965 x x x qqqqqqqqqqqqqqqqqqqqqqqqqq> x a 15:31:24.529316 x 486 Busy Here x x x a +0.000835 x <qqqqqqqqqqqqqqqqqqqqqqqqqq x x x a 15:31:24.530151 x ACK x x x a +1.704184 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x x x a 15:31:26.234335 x PRACK x x x a +0.045856 x qqqqqqqqqqqqqqqqqqqqqqqqqq> x x x a 15:31:26.280191 x x PRACK x a +3.954734 x x qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>> x a 15:31:30.234925 x PRACK x x x x +0.045279 x qqqqqqqqqqqqqqqqqqqqqqqq>>> x x x x 15:31:30.280204 x x PRACK x x +3.954116 x x qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>> x x 15:31:34.234320 x PRACK x x x 2021/09/21 15:31:11.787490 50.50.50.210:5060 <http://50.50.50.210:5060> -> 50.50.50.182:5060 <http://50.50.50.182:5060> INVITE sip:123456789@sip.mydomain.com:5060 <http://sip:123456789@sip.mydomain.com:5060> SIP/2.0 Record-Route: <sip:50.50.50.210;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes> Record-Route: <sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes> Via: SIP/2.0/UDP 50.50.50.210;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias Max-Forwards: 69 From: 987654321 <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>> Contact: "MyUserNAme" <sip:mycustomerid@10.2.1.160:58568;transport=TLS;ob;alias=100.100.100.61~48572~3> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14320 INVITE Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Supported: replaces, 100rel, timer, norefersub Session-Expires: 1800 Min-SE: 90 User-Agent: MicroSIP/3.20.5 Content-Type: application/sdp Content-Length: 326 P-Asserted-Identity: <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>> v=0 o=- 3841227071 3841227071 IN IP4 50.50.50.215 s=pjmedia b=AS:84 t=0 0 a=X-nat:0 m=audio 36448 RTP/AVP 8 0 101 c=IN IP4 50.50.50.215 b=TIAS:64000 a=ssrc:2024148033 cname:4f2468fd611910fa a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=sendrecv a=rtcp:36449 2021/09/21 15:31:11.790589 50.50.50.182:5060 <http://50.50.50.182:5060> -> 50.50.50.210:5060 <http://50.50.50.210:5060> SIP/2.0 100 trying -- your call is important to us Via: SIP/2.0/UDP 50.50.50.210;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3;rport=5060 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias From: 987654321 <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14320 INVITE Server: myserver Content-Length: 0 2021/09/21 15:31:11.792809 50.50.50.182:32818 <http://50.50.50.182:32818> -> 200.200.200.209:5060 <http://200.200.200.209:5060> INVITE sip:123456789@sip.mydomain.com:5060 <http://sip:123456789@sip.mydomain.com:5060> SIP/2.0 Record-Route: <sip:50.50.50.182:5080;transport=tcp;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> Record-Route: <sip:50.50.50.182;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> Record-Route: <sip:50.50.50.210;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes> Record-Route: <sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes> Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bK37fe.254ecab744d678154779037580c59731.0 Via: SIP/2.0/UDP 50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias Max-Forwards: 68 From: 987654321 <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>> Contact: "MyUserNAme" <sip:mycustomerid@10.2.1.160:58568;transport=TLS;ob;alias=100.100.100.61~48572~3> Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14320 INVITE Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Supported: replaces, 100rel, timer, norefersub Session-Expires: 1800 Min-SE: 90 Content-Type: application/sdp Content-Length: 326 P-Asserted-Identity: <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>> v=0 o=- 3841227071 3841227071 IN IP4 50.50.50.183 s=pjmedia b=AS:84 t=0 0 a=X-nat:0 m=audio 29308 RTP/AVP 8 0 101 c=IN IP4 50.50.50.183 b=TIAS:64000 a=ssrc:2024148033 cname:4f2468fd611910fa a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=sendrecv a=rtcp:29309 2021/09/21 15:31:11.813534 200.200.200.209:5060 <http://200.200.200.209:5060> -> 50.50.50.182:32818 <http://50.50.50.182:32818> SIP/2.0 100 Trying Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bK37fe.254ecab744d678154779037580c59731.0 Via: SIP/2.0/UDP 50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias From: 987654321 <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>>;tag=gK0d8c9073 Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14320 INVITE Content-Length: 0 2021/09/21 15:31:14.442418 200.200.200.209:5060 <http://200.200.200.209:5060> -> 50.50.50.182:32818 <http://50.50.50.182:32818> SIP/2.0 183 Session Progress Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bK37fe.254ecab744d678154779037580c59731.0 Via: SIP/2.0/UDP 50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias From: 987654321 <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>>;tag=gK0d8c9073 Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14320 INVITE Record-Route: <sip:50.50.50.182:5080;transport=tcp;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> Record-Route: <sip:50.50.50.182:5060;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> Record-Route: <sip:50.50.50.210:5060;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes> Record-Route: <sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes> Contact: <sip:123456789@200.200.200.209:5060 <http://sip:123456789@200.200.200.209:5060>> Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS Require: 100rel RSeq: 1509 Content-Length: 241 Content-Disposition: session; handling=required Content-Type: application/sdp v=0 o=Sonus_UAC 12038 7929 IN IP4 200.200.200.209 s=SIP Media Capabilities c=IN IP4 200.200.200.212 t=0 0 m=audio 17366 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=sendrecv a=maxptime:20 2021/09/21 15:31:14.443990 50.50.50.182:5060 <http://50.50.50.182:5060> -> 50.50.50.210:5060 <http://50.50.50.210:5060> SIP/2.0 183 Session Progress Via: SIP/2.0/UDP 50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias From: 987654321 <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>>;tag=gK0d8c9073 Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14320 INVITE Record-Route: <sip:50.50.50.182:5080;transport=tcp;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> Record-Route: <sip:50.50.50.182:5060;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> Record-Route: <sip:50.50.50.210:5060;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes> Record-Route: <sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes> Contact: <sip:123456789@200.200.200.209:5060 <http://sip:123456789@200.200.200.209:5060>> Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS Require: 100rel RSeq: 1509 Content-Length: 253 Content-Disposition: session; handling=required Content-Type: application/sdp v=0 o=Sonus_UAC 12038 7929 IN IP4 50.50.50.183 s=SIP Media Capabilities c=IN IP4 50.50.50.183 t=0 0 m=audio 29320 RTP/AVP 8 101 a=maxptime:20 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=sendrecv a=rtcp:29321 2021/09/21 15:31:14.743211 50.50.50.210:5060 <http://50.50.50.210:5060> -> 50.50.50.182:5060 <http://50.50.50.182:5060> PRACK sip:123456789@200.200.200.209:5060 <http://sip:123456789@200.200.200.209:5060> SIP/2.0 Via: SIP/2.0/UDP 50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias Max-Forwards: 69 From: "MyUserNAme" <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>>;tag=gK0d8c9073 Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14321 PRACK Route: <sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> Route: <sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> RAck: 1509 14320 INVITE Content-Length: 0 2021/09/21 15:31:14.786325 50.50.50.182:5060 <http://50.50.50.182:5060> -> 200.200.200.209:5060 <http://200.200.200.209:5060> PRACK sip:123456789transport=tcp@200.200.200.209:5060 <http://tcp@200.200.200.209:5060> SIP/2.0 Via: SIP/2.0/UDP 50.50.50.182;branch=z9hG4bK47fe.3406fe45bb75c3e955b6aa67e53aff58.0 Via: SIP/2.0/UDP 50.50.50.210;rport=5060;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias Max-Forwards: 68 From: "MyUserNAme" <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>>;tag=gK0d8c9073 Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14321 PRACK RAck: 1509 14320 INVITE Content-Length: 0 2021/09/21 15:31:15.234429 50.50.50.210:5060 <http://50.50.50.210:5060> -> 50.50.50.182:5060 <http://50.50.50.182:5060> PRACK sip:123456789@200.200.200.209:5060 <http://sip:123456789@200.200.200.209:5060> SIP/2.0 Via: SIP/2.0/UDP 50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias Max-Forwards: 69 From: "MyUserNAme" <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>>;tag=gK0d8c9073 Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14321 PRACK Route: <sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> Route: <sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> RAck: 1509 14320 INVITE Content-Length: 0 2021/09/21 15:31:15.280126 50.50.50.182:5060 <http://50.50.50.182:5060> -> 200.200.200.209:5060 <http://200.200.200.209:5060> PRACK sip:123456789transport=tcp@200.200.200.209:5060 <http://tcp@200.200.200.209:5060> SIP/2.0 Via: SIP/2.0/UDP 50.50.50.182;branch=z9hG4bK47fe.3406fe45bb75c3e955b6aa67e53aff58.0 Via: SIP/2.0/UDP 50.50.50.210;rport=5060;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias Max-Forwards: 68 From: "MyUserNAme" <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>>;tag=gK0d8c9073 Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14321 PRACK RAck: 1509 14320 INVITE Content-Length: 0 2021/09/21 15:31:16.234279 50.50.50.210:5060 <http://50.50.50.210:5060> -> 50.50.50.182:5060 <http://50.50.50.182:5060> PRACK sip:123456789@200.200.200.209:5060 <http://sip:123456789@200.200.200.209:5060> SIP/2.0 Via: SIP/2.0/UDP 50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias Max-Forwards: 69 From: "MyUserNAme" <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>>;tag=gK0d8c9073 Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14321 PRACK Route: <sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> Route: <sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> RAck: 1509 14320 INVITE Content-Length: 0 2021/09/21 15:31:16.280111 50.50.50.182:5060 <http://50.50.50.182:5060> -> 200.200.200.209:5060 <http://200.200.200.209:5060> PRACK sip:123456789transport=tcp@200.200.200.209:5060 <http://tcp@200.200.200.209:5060> SIP/2.0 Via: SIP/2.0/UDP 50.50.50.182;branch=z9hG4bK47fe.3406fe45bb75c3e955b6aa67e53aff58.0 Via: SIP/2.0/UDP 50.50.50.210;rport=5060;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias Max-Forwards: 68 From: "MyUserNAme" <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>>;tag=gK0d8c9073 Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14321 PRACK RAck: 1509 14320 INVITE Content-Length: 0 2021/09/21 15:31:18.234281 50.50.50.210:5060 <http://50.50.50.210:5060> -> 50.50.50.182:5060 <http://50.50.50.182:5060> PRACK sip:123456789@200.200.200.209:5060 <http://sip:123456789@200.200.200.209:5060> SIP/2.0 Via: SIP/2.0/UDP 50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3 Via: SIP/2.0/TLS 10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias Max-Forwards: 69 From: "MyUserNAme" <sip:987654321@sip.mydomain.com <mailto:sip%3A987654321@sip.mydomain.com>>;tag=73622588a6084d8ba1bca54781e5094d To: <sip:123456789@sip.mydomain.com <mailto:sip%3A123456789@sip.mydomain.com>>;tag=gK0d8c9073 Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b CSeq: 14321 PRACK Route: <sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> Route: <sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1> RAck: 1509 14320 INVITE Content-Length: 0 Any help will be much appreciated. Kind regards, Angelo
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