[SR-Users] ACK not routed to destination

Jan Hazenberg jenus at cyberchaos.nl
Thu Dec 15 15:40:34 CET 2016


 

Wim, 

Looks like your ACK is missing the Route header, since ACK is a new
transaction kamailio needs to route it based on a preloaded route. When
you receive the 200OK in sipp you should save the record route set and
use it in the ACK with the "[routes]" statement. 

Take a look at the SIPP docs and search for rrs="true". If you take a
packet capture on the loopback interface of the kamailio server you will
probably see that kamailio keeps looping the ACK until the Max-Forwards
is exhausted. 

Example: 

<recv response="200" rtd="true" rrs="true">
 </recv> 

<send>
 <![CDATA[ 

ACK [next_url] SIP/2.0
 Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
 From: sipp <sip:sipp@[field1]>;tag=[pid]SIPpTag00[call_number]
 To: sut <sip:[service]@[field1]>[peer_tag_param]
 Call-ID: [call_id]
 CSeq: 2 ACK
 [routes]
 Contact: sip:[service]@[local_ip]:[local_port]
 Max-Forwards: 70
 Subject: Performance Test
 Content-Length: 0 

]]>
 </send> 

Regards, 

Jan Hazenberg 

Wim Van Cauwenbergh schreef op 2016-12-15 15:13: 

> Hi, I have setup kamailio with the dispatcher module and have a problem with the ACK in response to 200OK not being forwarded by kamailio: 
> 
> Scenario is very simple: 
> sipp(.219) --> kamailio (.220) --> sipp(.239) 
> 
> SIP trace: 
> 
> root at DNS-enum-8Gb-3:/var/log# ngrep -W byline -d eth0 port 5060 
> interface: eth0 (10.57.26.0/255.255.255.0 [2]) 
> filter: (ip or ip6) and ( port 5060 ) 
> # 
> U 10.57.26.219:5060 [3] -> 10.57.26.220:5060 [4] 
> INVITE sip:service at 10.57.26.220:5060 [5] SIP/2.0. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 INVITE. 
> Contact: sip:sipp at 10.57.26.219:5060 [6]. 
> Max-Forwards: 70. 
> Subject: Performance Test. 
> Content-Type: application/sdp. 
> Content-Length: 135. 
> . 
> v=0. 
> o=user1 53655765 2353687637 IN IP4 10.57.26.219. 
> s=-. 
> c=IN IP4 10.57.26.219. 
> t=0 0. 
> m=audio 6000 RTP/AVP 0. 
> a=rtpmap:0 PCMU/8000. 
> 
> # 
> U 10.57.26.220:5060 [4] -> 10.57.26.219:5060 [3] 
> SIP/2.0 100 trying -- your call is important to us. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 INVITE. 
> Server: kamailio (4.2.0 (x86_64/linux)). 
> Content-Length: 0. 
> . 
> 
> # 
> U 10.57.26.220:5060 [4] -> 10.57.26.239:5060 [7] 
> INVITE sip:service at 10.57.26.220:5060 [5] SIP/2.0. 
> Record-Route: <sip:10.57.26.220;lr>. 
> Via: SIP/2.0/UDP 10.57.26.220;branch=z9hG4bKf92d.33550a94aa52aef3978cb507902d8aaa.0. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 INVITE. 
> Contact: sip:sipp at 10.57.26.219:5060 [6]. 
> Max-Forwards: 69. 
> Subject: Performance Test. 
> Content-Type: application/sdp. 
> Content-Length: 135. 
> . 
> v=0. 
> o=user1 53655765 2353687637 IN IP4 10.57.26.219. 
> s=-. 
> c=IN IP4 10.57.26.219. 
> t=0 0. 
> m=audio 6000 RTP/AVP 0. 
> a=rtpmap:0 PCMU/8000. 
> 
> # 
> U 10.57.26.239:5060 [7] -> 10.57.26.220:5060 [4] 
> SIP/2.0 180 Ringing. 
> Via: SIP/2.0/UDP 10.57.26.220;branch=z9hG4bKf92d.33550a94aa52aef3978cb507902d8aaa.0, SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 INVITE. 
> Contact: <sip:10.57.26.239:5060;transport=UDP>. 
> Content-Length: 0. 
> . 
> 
> # 
> U 10.57.26.239:5060 [7] -> 10.57.26.220:5060 [4] 
> SIP/2.0 200 OK. 
> Via: SIP/2.0/UDP 10.57.26.220;branch=z9hG4bKf92d.33550a94aa52aef3978cb507902d8aaa.0, SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 INVITE. 
> Contact: <sip:10.57.26.239:5060;transport=UDP>. 
> Content-Type: application/sdp. 
> Content-Length: 135. 
> . 
> v=0. 
> o=user1 53655765 2353687637 IN IP4 10.57.26.239. 
> s=-. 
> c=IN IP4 10.57.26.239. 
> t=0 0. 
> m=audio 6000 RTP/AVP 0. 
> a=rtpmap:0 PCMU/8000. 
> 
> # 
> U 10.57.26.220:5060 [4] -> 10.57.26.219:5060 [3] 
> SIP/2.0 180 Ringing. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 INVITE. 
> Contact: <sip:10.57.26.239:5060;transport=UDP>. 
> Content-Length: 0. 
> . 
> 
> # 
> U 10.57.26.220:5060 [4] -> 10.57.26.219:5060 [3] 
> SIP/2.0 200 OK. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 INVITE. 
> Contact: <sip:10.57.26.239:5060;transport=UDP>. 
> Content-Type: application/sdp. 
> Content-Length: 135. 
> . 
> v=0. 
> o=user1 53655765 2353687637 IN IP4 10.57.26.239. 
> s=-. 
> c=IN IP4 10.57.26.239. 
> t=0 0. 
> m=audio 6000 RTP/AVP 0. 
> a=rtpmap:0 PCMU/8000. 
> 
> # 
> U 10.57.26.219:5060 [3] -> 10.57.26.220:5060 [4] 
> ACK sip:10.57.26.239:5060;transport=UDP SIP/2.0. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-5. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 ACK. 
> Contact: sip:sipp at 10.57.26.219:5060 [6]. 
> Max-Forwards: 70. 
> Subject: Performance Test. 
> XContactinOK: <sip:10.57.26.239:5060;transport=UDP>. 
> Content-Length: 0. 
> . 
> 
> # 
> U 10.57.26.239:5060 [7] -> 10.57.26.220:5060 [4] 
> SIP/2.0 200 OK. 
> Via: SIP/2.0/UDP 10.57.26.220;branch=z9hG4bKf92d.33550a94aa52aef3978cb507902d8aaa.0, SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 INVITE. 
> Contact: <sip:10.57.26.239:5060;transport=UDP>. 
> Content-Type: application/sdp. 
> Content-Length: 135. 
> . 
> v=0. 
> o=user1 53655765 2353687637 IN IP4 10.57.26.239. 
> s=-. 
> c=IN IP4 10.57.26.239. 
> t=0 0. 
> m=audio 6000 RTP/AVP 0. 
> a=rtpmap:0 PCMU/8000. 
> 
> # 
> U 10.57.26.220:5060 [4] -> 10.57.26.219:5060 [3] 
> SIP/2.0 200 OK. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 INVITE. 
> Contact: <sip:10.57.26.239:5060;transport=UDP>. 
> Content-Type: application/sdp. 
> Content-Length: 135. 
> . 
> v=0. 
> o=user1 53655765 2353687637 IN IP4 10.57.26.239. 
> s=-. 
> c=IN IP4 10.57.26.239. 
> t=0 0. 
> m=audio 6000 RTP/AVP 0. 
> a=rtpmap:0 PCMU/8000. 
> 
> # 
> U 10.57.26.219:5060 [3] -> 10.57.26.220:5060 [4] 
> ACK SIP:10.57.26.239:5060;TRANSPORT=UDP SIP/2.0. 
> VIA: SIP/2.0/UDP 10.57.26.219:5060;BRANCH=Z9HG4BK-15698-1-5. 
> FROM: SIPP <SIP:SIPP at 10.57.26.219:5060 [6]>;TAG=15698SIPPTAG021. 
> TO: SUT <SIP:SERVICE at 10.57.26.220:5060 [5]>;TAG=14783SIPPTAG018. 
> CALL-ID: 1-15698 at 10.57.26.219. 
> CSEQ: 1 ACK. 
> CONTACT: SIP:SIPP at 10.57.26.219:5060 [6]. 
> MAX-FORWARDS: 70. 
> SUBJECT: PERFORMANCE TEST. 
> XCONTACTINOK: <SIP:10.57.26.239:5060;TRANSPORT=UDP>. 
> CONTENT-LENGTH: 0. 
> . 
> 
> # 
> U 10.57.26.219:5060 [3] -> 10.57.26.220:5060 [4] 
> BYE sip:10.57.26.239:5060;transport=UDP SIP/2.0. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-7. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 2 BYE. 
> Contact: sip:sipp at 10.57.26.219:5060 [6]. 
> Max-Forwards: 70. 
> Subject: Performance Test. 
> Content-Length: 0. 
> . 
> 
> # 
> U 10.57.26.220:5060 [4] -> 10.57.26.219:5060 [3] 
> SIP/2.0 404 Not here. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-7. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 2 BYE. 
> Server: kamailio (4.2.0 (x86_64/linux)). 
> Content-Length: 0. 
> . 
> 
> # 
> U 10.57.26.219:5060 [3] -> 10.57.26.220:5060 [4] 
> BYE sip:service at 10.57.26.220:5060 [5] SIP/2.0. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1--1. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 3 BYE. 
> Max-Forwards: 70. 
> Contact: <sip:sipp at 10.57.26.219:5060;transport=UDP>. 
> Content-Length: 0. 
> . 
> 
> # 
> U 10.57.26.220:5060 [4] -> 10.57.26.219:5060 [3] 
> SIP/2.0 404 Not here. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1--1. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 3 BYE. 
> Server: kamailio (4.2.0 (x86_64/linux)). 
> Content-Length: 0. 
> . 
> 
> # 
> U 10.57.26.239:5060 [7] -> 10.57.26.220:5060 [4] 
> SIP/2.0 200 OK. 
> Via: SIP/2.0/UDP 10.57.26.220;branch=z9hG4bKf92d.33550a94aa52aef3978cb507902d8aaa.0, SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 INVITE. 
> Contact: <sip:10.57.26.239:5060;transport=UDP>. 
> Content-Type: application/sdp. 
> Content-Length: 135. 
> . 
> v=0. 
> o=user1 53655765 2353687637 IN IP4 10.57.26.239. 
> s=-. 
> c=IN IP4 10.57.26.239. 
> t=0 0. 
> m=audio 6000 RTP/AVP 0. 
> a=rtpmap:0 PCMU/8000. 
> 
> # 
> U 10.57.26.220:5060 [4] -> 10.57.26.219:5060 [3] 
> SIP/2.0 200 OK. 
> Via: SIP/2.0/UDP 10.57.26.219:5060;branch=z9hG4bK-15698-1-0. 
> From: sipp <sip:sipp at 10.57.26.219:5060 [6]>;tag=15698SIPpTag021. 
> To: sut <sip:service at 10.57.26.220:5060 [5]>;tag=14783SIPpTag018. 
> Call-ID: 1-15698 at 10.57.26.219. 
> CSeq: 1 INVITE. 
> Contact: <sip:10.57.26.239:5060;transport=UDP>. 
> Content-Type: application/sdp. 
> Content-Length: 135. 
> . 
> v=0. 
> o=user1 53655765 2353687637 IN IP4 10.57.26.239. 
> s=-. 
> c=IN IP4 10.57.26.239. 
> t=0 0. 
> m=audio 6000 RTP/AVP 0. 
> a=rtpmap:0 PCMU/8000. 
> 
> KAMAILIO.CONF: 
> 
> # ----- mi_fifo params ----- 
> modparam("mi_fifo", "fifo_name", "/var/run/kamailio/kamailio_fifo") 
> modparam("ctl", "binrpc", "unix:/var/run/kamailio/kamailio_ctl") 
> 
> # ----- rr params ----- 
> # add value to ;lr param to cope with most of the UAs 
> modparam("rr", "enable_full_lr", 0) 
> # do not append from tag to the RR (no need for this script) 
> modparam("rr", "append_fromtag", 0) 
> 
> # ----- acc params ----- 
> modparam("acc", "log_flag", 1) 
> modparam("acc", "failed_transaction_flag", 3) 
> modparam("acc", "log_extra", 
> "src_user=$fU;src_domain=$fd;dst_ouser=$tU;dst_user=$rU;dst_domain=$rd;src_ip=$si") 
> 
> # ----- tm params ----- 
> modparam("tm", "fr_timer", 2000) 
> modparam("tm", "fr_inv_timer", 40000) 
> 
> # ----- dispatcher params ----- 
> #modparam("dispatcher", "db_url", 
> # "mysql://openser:openserro@localhost/openser") 
> modparam("dispatcher", "list_file", "/etc/kamailio/dispatcher.list") 
> modparam("dispatcher", "table_name", "dispatcher") 
> modparam("dispatcher", "flags", 2) 
> modparam("dispatcher", "dst_avp", "$avp(AVP_DST)") 
> modparam("dispatcher", "grp_avp", "$avp(AVP_GRP)") 
> modparam("dispatcher", "cnt_avp", "$avp(AVP_CNT)") 
> 
> ####### Routing Logic ######## 
> 
> # main request routing logic 
> 
> route { 
> 
> # per request initial checks 
> route(REQINIT); 
> 
> # handle requests within SIP dialogs 
> route(WITHINDLG); 
> 
> ### only initial requests (no To tag) 
> 
> # CANCEL processing 
> if (is_method("CANCEL")) 
> { 
> if (t_check_trans()) 
> t_relay(); 
> exit; 
> } 
> 
> t_check_trans(); 
> 
> # record routing for dialog forming requests (in case they are routed) 
> # - remove preloaded route headers 
> remove_hf("Route"); 
> if (is_method("INVITE|SUBSCRIBE")) 
> record_route(); 
> 
> # account only INVITEs 
> if (is_method("INVITE")) 
> { 
> setflag(1); # do accounting 
> } 
> 
> # handle presence related requests 
> route(PRESENCE); 
> 
> # handle registrations 
> route(REGISTRAR); 
> 
> if ($rU==$null) 
> { 
> # request with no Username in RURI 
> sl_send_reply("484","Address Incomplete"); 
> exit; 
> } 
> 
> # dispatch destinations 
> route(DISPATCH); 
> 
> route(RELAY); 
> } 
> 
> route[RELAY] { 
> if (!t_relay()) { 
> sl_reply_error(); 
> } 
> exit; 
> } 
> 
> # Per SIP request initial checks 
> route[REQINIT] { 
> if (!mf_process_maxfwd_header("15")) { 
> sl_send_reply("483","Too Many Hops"); 
> exit; 
> } 
> 
> # 1= only check the header RURI, 1126 checks some other general stuff 
> if(!sanity_check("1126", "1")) 
> { 
> xlog("Malformed SIP message from $si:$spn"); 
> exit; 
> } 
> } 
> 
> # Handle requests within SIP dialogs 
> route[WITHINDLG] { 
> if (has_totag()) { 
> # sequential request withing a dialog should 
> # take the path determined by record-routing 
> xlog("#######WITHINDLG:hastotag $si:$spn"); 
> if (loose_route()) { 
> xlog("#######WITHINDLG:looseroute $si:$spn"); 
> if (is_method("BYE")) { 
> setflag(1); # do accounting ... 
> setflag(3); # ... even if the transaction fails 
> } 
> route(RELAY); 
> } else { 
> if (is_method("SUBSCRIBE") && uri == myself) { 
> # in-dialog subscribe requests 
> route(PRESENCE); 
> exit; 
> } 
> if ( is_method("ACK") ) { 
> if ( t_check_trans() ) { 
> xlog("#######WITHINDLG:ACK transaction found $si:$spn"); 
> # non loose-route, but stateful ACK; 
> # must be ACK after a 487 or e.g. 404 from upstream server 
> t_relay(); 
> exit; 
> } else { 
> # ACK without matching transaction ... ignore and discard. 
> xlog("#######WITHINDLG:ACK no transaction found so discard $si:$spn"); 
> exit; 
> } 
> } 
> sl_send_reply("404","Not here"); 
> } 
> exit; 
> } 
> } 
> 
> Debug: 
> 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/msg_parser.c:623]: parse_msg(): SIP Request: 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/msg_parser.c:625]: parse_msg(): method: <ACK> 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/msg_parser.c:627]: parse_msg(): uri: <sip:10.57.26.239:5060;transport=UDP> 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/msg_parser.c:629]: parse_msg(): version: <SIP/2.0> 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 232, <branch> = <z9hG4bK-15698-1-5>; state=16 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/parse_via.c:2672]: parse_via(): end of header reached, state=5 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/msg_parser.c:513]: parse_headers(): parse_headers: Via found, flags=2 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/msg_parser.c:515]: parse_headers(): parse_headers: this is the first via 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [receive.c:154]: receive_msg(): After parse_msg... 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [receive.c:197]: receive_msg(): preparing to run routing scripts... 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: sl [sl_funcs.c:412]: sl_filter_ACK(): DEBUG : sl_filter_ACK: to late to be a local ACK! 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/parse_addr_spec.c:176]: parse_to_param(): DEBUG: add_param: tag=14783SIPpTag018 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/parse_addr_spec.c:898]: parse_addr_spec(): end of header reached, state=29 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/msg_parser.c:190]: get_hdr_field(): DEBUG: get_hdr_field: <To> [57]; uri=[sip:service at 10.57.26.220:5060 [5]] 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/msg_parser.c:192]: get_hdr_field(): DEBUG: to body [sut <sip:service at 10.57.26.220:5060 [5]>] 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/msg_parser.c:170]: get_hdr_field(): get_hdr_field: cseq <CSeq>: <1> <ACK> 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: maxfwd [mf_funcs.c:85]: is_maxfwd_present(): value = 70 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: sanity [mod_sanity.c:255]: w_sanity_check(): sanity checks result: 1 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: siputils [checks.c:106]: has_totag(): totag found 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) ERROR: <script>: #######WITHINDLG:hastotag 10.57.26.219:5060 [3] 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/msg_parser.c:204]: get_hdr_field(): DEBUG: get_hdr_body : content_length=0 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [parser/msg_parser.c:106]: get_hdr_field(): found end of header 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: rr [loose.c:113]: find_first_route(): No Route headers found 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: rr [loose.c:929]: loose_route(): There is no Route HF 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: tm [t_lookup.c:1072]: t_check_msg(): DEBUG: t_check_msg: msg id=9 global id=8 T start=(nil) 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: tm [t_lookup.c:527]: t_lookup_request(): t_lookup_request: start searching: hash=53919, isACK=1 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: tm [t_lookup.c:485]: matching_3261(): DEBUG: RFC3261 transaction matching failed 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: tm [t_lookup.c:709]: t_lookup_request(): DEBUG: t_lookup_request: no transaction found 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: tm [t_lookup.c:1141]: t_check_msg(): DEBUG: t_check_msg: msg id=9 global id=9 T end=(nil) 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) ERROR: <script>: #######WITHINDLG:ACK no transaction found so discard 10.57.26.219:5060 [3] 
> Dec 15 15:12:02 DNS-enum-8Gb-3 kamailio[6864]: 1(6883) DEBUG: <core> [usr_avp.c:643]: destroy_avp_list(): DEBUG:destroy_avp_list: destroying list (nil) 
> 
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users [1]

 

Links:
------
[1] http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
[2] http://10.57.26.0/255.255.255.0
[3] http://10.57.26.219:5060
[4] http://10.57.26.220:5060
[5] http://sip:service@10.57.26.220:5060
[6] http://sip:sipp@10.57.26.219:5060
[7] http://10.57.26.239:5060
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