Re: [SR-Users] Error with ACK from SIPML5

24 Jun 2013

Can you get the ngrep on the server from the initial invite to the ack. 
It seems that record route is not properly mirrored, so one client might 
mess the route path.

Cheers,
Daniel

On 6/23/13 8:58 PM, Jayesh Nambiar wrote:
...
  I did do debug=3 and saw the logs but couldn't
figure out much. Here 
 is the log for the appropriate ACK received on websocket port. I've 
 highlighted a few lines I felt might be problematic:

 DEBUG: <core> [tcp_read.c:1146]: ws_process_msg(): WebSocket Message: 

[[>>>#012<81>þ#003ø´¶#037<8a>õõTªÇßo°<85><84>,¾ô<84>.¼<9a><87>-²<9a><8e>)¤<8c><8c>*º<82><83>$þÆ×qùÄÙmþ<89>Ã{ú<94>åVÚ<9b><84>1º¹¼IãÕ<8c>?Ùýæ0¸<9a><86>0Ýç<96>{ì<83>Ü~æ<86><85>sù<84>Ò1ãÚÀ~æÝÒ$èÆ×qéÜ<8b>e³Üñ+èÿ<8e>pÛÓÔjçñ<86>iÛ<8c>äKûöä+¾ú<8d>múÛÄk<87>¾ðmåÙ<8c>?¨þ×fïÇÞ=¶Çßo°<85><86>/º<84><86>.º<84><87>_íÜ×qþÝ<98>|åÙ<88>$þÕÑ"½ñýVÙÿ÷~áòñ-Ûî<84>UüÄòP<87>¾âp°<94><8a>lãÄ<8c>.¸<87><82>_íÜ×qþÝ<98>|åÙ<88>$þÕÑ"²ö<85>Y²<8c><81>T½ÿÀzç¹¼\åÚÂ~éÀ<8c>?¨þ×fïÇÞ=¶Çßo°<85><86>/º<84><86>.º<84><87>_îÒ<81>uëØ<84>,æÇ<86>{¤ÝØiëØß{±ÆÂ|ýÑÔ2èÆÓ~áÑÄ"äÛ<8d>|æÝÕt¸××sæ<89>Øp±ÀÄ~äÇÆpøÀ<8b>hù<8a><8d>4í<9a>Ùrë<9a>Åvú<99>ßr±<9f>Åvú<9a>ß|ï<8f>Ú~äÓÃ~íÑ<8b>=ïÚ<9a>yø<96>»#025ÉÕÚs§ýò%ª<86><87>/¾ÕÔ'³<99><80>&¿<82><9b>&è×<87>2¿<86><8e>z§Ö<87>'èÐ<8f>{¾Ö<85>.é¹¼\ÙÑÇ%ª<80><8e>'ªõõT<87>¾õpäÀÓqþ<99>úzäÓÂw°<94><86>#022<80>æÙjþÑ<8c>?¶Çßo°<86><87>)¤<85><84>'¤<8c><80>1³<8e><83>/¼<84><8d>sø<8f>ÅvúÙÚ*§ÛÃkèÛÃqî<8f>ÂmëÚÅoåÆÂ"ÿÐÆ!<87>¾û~ò<99>ðpøÃ×mîÇ<8c>?½<84>»#025ÚÆÙgó<99>÷jþÜÙmãÎ×kãÛØ%ªðßxïÇÂ?ÿÇÓmäÕÛz·<96><87>/º<84><86>/»<84><86>.¨<98>ÄzëØÛ"¨ÓÞ~äÀß1éÛÛ=¦ÚÙqéÑ<8b>=ß×Ò[ìØþWÛØúYÿÝþHÇ<84>ØI¡í<86>'þàÐFÆÓÁV¨<98>Ãmã<89><94>lãÄ<8c>.¸<87><82>_¸<85><80>1»<86><8e>1²<82><98>'°<81><86>)¿<8f>ÂmëÚÅoåÆÂ"ÿÐÆ=¦ÆÓlúÛØlï<89><94>{é<82><85>~º<83><81>y¾<82><8e>{¿<81>×&¾<8d>Ð)ëÕ<87>*ì<80>×z¼<82><83>=¦ÕÚxåÆßkâÙ<8b>RÎ<81>»#025ØÛÃkï<8e><96>#ùÝÆ%¸<85><80>1»<86><8e>1²<82><98>&°<8c><86>'º<8f>ÂmëÚÅoåÆÂ"ýÇ<8d>m¸<89>Ùq±ØÄ"åÚ<8d>yþÕÑ"½ñýVÙÿ÷~áòñ-Ûî<84>UüÄòP±Ú×k·ÍÓl´¹¼MåÁÂz°<94><8a>lãÄ<8c>-»<82><98>.¸<8c><98>'¼<9a><8f>$ø<86><8b>pä<8f>Úm·ÛØ$ìÀ×x·<83>óTÃçý^ëßðX¸åì-ÀÂÆ[Å<8f>Ø~þ<89>Ïzù<8a>»#025ßÇÓm§õÑzäÀ<8c>?Ãù<9b>|æÝÓqþ<9b>ùRË<85><98>/ªÇßoÇø<83>2ü<85><98>-º<85><85>1º<87><98>-½¹¼PøÓ×qãÎ×kãÛØ%ªðÙjèÕØxå<94>âzæÑÕpç¹¼#022<80><<<]]
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 websocket [ws_frame.c:346]: decode_and_validate_ws_frame(): decoding 
 WebSocket frame
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 websocket [ws_frame.c:396]: decode_and_validate_ws_frame(): supported 
 non-control frame: 0x1
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 websocket [ws_frame.c:500]: decode_and_validate_ws_frame(): Rx 
 (decoded): ACK sip:1234@126.128.68.8:5065;transport=udp 
 SIP/2.0#015#012Via: SIP/2.0/WS 
 df7jal23ls0d.invalid;branch=z9hG4bK8oQgbumE0vQ8RTqBR44N;rport#015#012From: 
 "Jayesh"<sip:1000001001@ghanti.com 
 <mailto:sip%3A1000001001@ghanti.com>>;tag=7EKISKAakFG2QZ2JvpDO#015#012To: 
 <sip:1234@ghanti.com 
 <mailto:sip%3A1234@ghanti.com>>;tag=8B3F887K7Kvem#015#012Contact: 

"Jayesh"<sip:1000001001@df7jal23ls0d.invalid;rtcweb-breaker=no;click2call=no;transport=ws>;+g.oma.sip-im;+sip.ice;language="en,fr"#015#012Call-ID:

 2104ab89-6956-9bc1-528e-b18bd9d4b31c#015#012CSeq: 488 
 ACK#015#012Content-Length: 0#015#012Route: 
 <sip:126.128.68.9:5060;lr;sipml5-outbound;transport=udp>#015#012Max-Forwards: 
 70#015#012Proxy-Authorization: Digest 
 username="1000001001",realm="ghanti.com 

<http://ghanti.com>",nonce="UcdDflHHQlLFuiHWM0nV+Y08tTfYLgwI",uri="sip:1234@126.128.68.8:5065;transport=udp",response="dc63a077f468d55a949f6aa15f4ae665",algorithm=MD5#015#012Route:

<sip:126.128.68.9:8080;transport=ws;r2=on;lr=on;ftag=7EKISKAakFG2QZ2JvpDO;nat=yes>#015#012Route:

 <sip:126.128.68.9;r2=on;lr=on;ftag=7EKISKAakFG2QZ2JvpDO;nat=yes>#015#012User-Agent:

 IM-client/OMA1.0 sipML5-v1.2013.03.27#015#012Organization: Doubango 
 Telecom#015#012#015#012
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 websocket [ws_frame.c:580]: ws_frame_receive(): Rx SIP message:#012ACK 
 sip:1234@126.128.68.8:5065;transport=udp SIP/2.0#015#012Via: 
 SIP/2.0/WS 
 df7jal23ls0d.invalid;branch=z9hG4bK8oQgbumE0vQ8RTqBR44N;rport#015#012From: 
 "Jayesh"<sip:1000001001@ghanti.com 
 <mailto:sip%3A1000001001@ghanti.com>>;tag=7EKISKAakFG2QZ2JvpDO#015#012To: 
 <sip:1234@ghanti.com 
 <mailto:sip%3A1234@ghanti.com>>;tag=8B3F887K7Kvem#015#012Contact: 

"Jayesh"<sip:1000001001@df7jal23ls0d.invalid;rtcweb-breaker=no;click2call=no;transport=ws>;+g.oma.sip-im;+sip.ice;language="en,fr"#015#012Call-ID:

 2104ab89-6956-9bc1-528e-b18bd9d4b31c#015#012CSeq: 488 
 ACK#015#012Content-Length: 0#015#012Route: 
 <sip:126.128.68.9≈:5060;lr;sipml5-outbound;transport=udp>#015#012Max-Forwards: 
 70#015#012Proxy-Authorization: Digest 
 username="1000001001",realm="ghanti.com 

<http://ghanti.com>",nonce="UcdDflHHQlLFuiHWM0nV+Y08tTfYLgwI",uri="sip:1234@126.128.68.8:5065;transport=udp",response="dc63a077f468d55a949f6aa15f4ae665",algorithm=MD5#015#012Route:

<sip:126.128.68.9:8080;transport=ws;r2=on;lr=on;ftag=7EKISKAakFG2QZ2JvpDO;nat=yes>#015#012Route:

 <sip:126.128.68.9;r2=on;lr=on;ftag=7EKISKAakFG2QZ2JvpDO;nat=yes>#015#012User-Agent:

 IM-client/OMA1.0 sipML5-v1.2013.03.27#015#012Organization: Doubango 
 Telecom#015#012#015#012
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/msg_parser.c:623]: parse_msg(): SIP Request:
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/msg_parser.c:625]: parse_msg():  method:  <ACK>
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/msg_parser.c:627]: parse_msg():  uri:   
 <sip:1234@126.128.68.8:5065;transport=udp>
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/msg_parser.c:629]: parse_msg():  version: <SIP/2.0>
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 
 232, <branch> = <z9hG4bK8oQgbumE0vQ8RTqBR44N>; state=6
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/parse_via.c:1284]: parse_via_param(): Found param type 
 235, <rport> = <n/a>; state=17
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/parse_via.c:2672]: parse_via(): end of header reached, 
 state=5
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/msg_parser.c:513]: parse_headers(): parse_headers: Via 
 found, flags=2
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/msg_parser.c:515]: parse_headers(): parse_headers: this 
 is the first via
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [receive.c:149]: receive_msg(): After parse_msg...
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [receive.c:190]: receive_msg(): preparing to run routing scripts...
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 sl [sl_funcs.c:396]: sl_filter_ACK(): DEBUG : sl_filter_ACK: to late 
 to be a local ACK!
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/parse_to.c:176]: parse_to_param(): DEBUG: add_param: 
 tag=8B3F887K7Kvem
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/parse_to.c:799]: parse_to(): end of header reached, 
 state=29
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/msg_parser.c:190]: get_hdr_field(): DEBUG: 
 get_hdr_field: <To> [41]; uri=[sip:1234@ghanti.com 
 <mailto:sip%3A1234@ghanti.com>]
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/msg_parser.c:192]: get_hdr_field(): DEBUG: to body 
 [<sip:1234@ghanti.com <mailto:sip%3A1234@ghanti.com>>]
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/msg_parser.c:170]: get_hdr_field(): get_hdr_field: cseq 
 <CSeq>: <488> <ACK>
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/msg_parser.c:204]: get_hdr_field(): DEBUG: get_hdr_body 
 : content_length=0
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 maxfwd [mf_funcs.c:85]: is_maxfwd_present(): value = 70
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 maxfwd [maxfwd.c:161]: process_maxfwd_header(): value 70 decreased to 16
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/msg_parser.c:106]: get_hdr_field(): found end of header
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/parse_to.c:176]: parse_to_param(): DEBUG: add_param: 
 tag=7EKISKAakFG2QZ2JvpDO
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [parser/parse_to.c:799]: parse_to(): end of header reached, 
 state=29
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 sanity [mod_sanity.c:255]: w_sanity_check(): sanity checks result: 1
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: INFO: 
 <script>: Request Method is ACK
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 nathelper [nathelper.c:888]: add_contact_alias_0_f(): contact uri host 
 is not an ip address
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 nathelper [nathelper.c:965]: add_contact_alias_0_f(): adding param 
 <;alias=203.153.53.166~59841~5>
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: INFO: 
 <script>: Inside NATDETECT
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 nathelper [nathelper.c:888]: add_contact_alias_0_f(): contact uri host 
 is not an ip address
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 nathelper [nathelper.c:965]: add_contact_alias_0_f(): adding param 
 <;alias=203.153.53.166~59841~5>
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 siputils [checks.c:106]: has_totag(): totag found
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 rr [loose.c:89]: is_preloaded(): is_preloaded: No
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [socket_info.c:589]: grep_sock_info(): grep_sock_info - 
 checking if host==us: 12==12 && [126.128.68.8] == [126.128.68.9]
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [socket_info.c:593]: grep_sock_info(): grep_sock_info - 
 checking if port 5060 (advertise 0) matches port 5065
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [socket_info.c:589]: grep_sock_info(): grep_sock_info - 
 checking if host==us: 12==12 && [126.128.68.8] == [126.128.68.9]
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [socket_info.c:593]: grep_sock_info(): grep_sock_info - 
 checking if port 5060 (advertise 0) matches port 5065
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [socket_info.c:589]: grep_sock_info(): grep_sock_info - 
 checking if host==us: 12==12 && [126.128.68.8] == [126.128.68.9]
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [socket_info.c:593]: grep_sock_info(): grep_sock_info - 
 checking if port 8080 (advertise 0) matches port 5065
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [forward.c:462]: check_self(): check_self: host != me
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [socket_info.c:589]: grep_sock_info(): grep_sock_info - 
 checking if host==us: 12==12 && [126.128.68.9] == [126.128.68.9]
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [socket_info.c:593]: grep_sock_info(): grep_sock_info - 
 checking if port 5060 (advertise 0) matches port 5060
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 rr [loose.c:778]: after_loose(): Topmost route URI: 
 'sip:126.128.68.9:5060;lr;sipml5-outbound;transport=udp' is me
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 rr [loose.c:862]: after_loose(): URI to be processed: 

'sip:126.128.68.9:8080;transport=ws;r2=on;lr=on;ftag=7EKISKAakFG2QZ2JvpDO;nat=yes'
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 rr [loose.c:871]: after_loose(): Next URI is a loose router
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 siputils [checks.c:106]: has_totag(): totag found
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 rr [loose.c:974]: check_route_param(): params are 
 <;lr;sipml5-outbound;transport=udp>
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: INFO: 
 <script>: Inside Natmanage ACK
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 siputils [checks.c:106]: has_totag(): totag found
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 tm [t_lookup.c:1395]: t_newtran(): DEBUG: t_newtran: msg id=8 , global 
 msg id=7 , T on entrance=(nil)
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 tm [t_lookup.c:534]: t_lookup_request(): t_lookup_request: start 
 searching: hash=60000, isACK=1
 un 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: tm 
 [t_lookup.c:492]: matching_3261(): *DEBUG: RFC3261 transaction 
 matching failed*
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 tm [t_lookup.c:716]: t_lookup_request(): *DEBUG: t_lookup_request: no 
 transaction found*
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 tm [t_funcs.c:311]: t_relay_to(): SER: forwarding ACK  statelessly
 *Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: 
 WARNING: <core> [msg_translator.c:2499]: via_builder(): TCP/TLS 
 connection (id: 0) for WebSocket could not be found*
 *Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: ERROR: 
 <core> [msg_translator.c:1725]: build_req_buf_from_sip_req(): could 
 not create Via header*
 *Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: ERROR: 
 <core> [forward.c:607]: forward_request(): ERROR: forward_request: 
 building failed*
 *Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: ERROR: 
 sl [sl_funcs.c:371]: sl_reply_error(): ERROR: sl_reply_error used: I'm 
 terribly sorry, server error occurred (1/SL)*
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [usr_avp.c:644]: destroy_avp_list(): DEBUG:destroy_avp_list: 
 destroying list (nil)
 Jun 23 18:45:46  /usr/local/ghanti-ko/sbin/kamailio[22879]: last 
 message repeated 5 times
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [xavp.c:447]: xavp_destroy_list(): destroying xavp list (nil)
 Jun 23 18:45:46 v9 /usr/local/ghanti-ko/sbin/kamailio[22879]: DEBUG: 
 <core> [receive.c:293]: receive_msg(): receive_msg: cleaning up

 Thanks for all the help.

 --- Jayesh

 On Sun, Jun 23, 2013 at 8:53 PM, Daniel-Constantin Mierla 
 &lt;miconda(a)gmail.com <mailto:miconda@gmail.com>> wrote:

     Are you sure the error messages are printed for this ACK, because
     it has to be sent via UDP, not via WS, thus the messages seem to
     be unrelated.

     Get the log messages with debug=3 in order to see what is happening.

     Cheers,
     Daniel

     On 6/22/13 9:10 AM, Jayesh Nambiar wrote:
      Hi,
     Is it possible that this could be a problem in the script. But
     when I call using a normal SIP Client like X-Lite, it works well.
     This only happens when the request comes on websocket. Is there
     something to be handled specially when handling requests like ACK
     over websocket?
     The reference is more or less taken from
     https://gist.github.com/jesusprubio/4066845

     --- Jayesh

     On Wed, Jun 19, 2013 at 2:14 PM, Jayesh Nambiar
     &lt;jayesh1017(a)gmail.com <mailto:jayesh1017@gmail.com>> wrote:

         Hi Daniel,
         I checked using the kamcmd command and I see the webrtc
         connection active. The ACK comes from the webrtc client but
         somehow kamailio is unable to create a via header and forward
         the request. The ACK coming from webrtc client is as follows:

         SEND: ACK sip:1223@126.128.68.8:5065;transport=udp SIP/2.0
         Via: SIP/2.0/WS
         df7jal23ls0d.invalid;branch=z9hG4bKJ0Qsiuh94B2slPLp19qH;rport
         From: "Jayesh"<sip:1000001001@ghanti.com
         <mailto:sip%3A1000001001@ghanti.com>>;tag=vsTKsfB1ZR8EkHTPqzyc
         To: <sip:1223@ghanti.com
         <mailto:sip%3A1223@ghanti.com>>;tag=UQ9veX0vUg7QS
         Contact:

"Jayesh"<sip:1000001001@df7jal23ls0d.invalid;rtcweb-breaker=no;click2call=no;transport=ws>;+g.oma.sip-im;+sip.ice;language="en,fr"
         Call-ID: 2c76d5ee-e9d0-7f22-8be2-76e80b4ab48b
         CSeq: 42684 ACK
         Content-Length: 0
         Route: <sip:126.128.68.9:5060;lr;sipml5-outbound;transport=udp>
         Max-Forwards: 70
         Proxy-Authorization: Digest
         username="1000001001",realm="ghanti.com

<http://ghanti.com>",nonce="UcFsQ1HBaxc84k4N1J00fpVDj9G57x5p",uri="sip:1223@126.128.68.8:5065;transport=udp",response="5b18a2182c335315875224f2244fb48b",algorithm=MD5
         Route:

<sip:126.128.68.9:8080;transport=ws;r2=on;lr=on;ftag=vsTKsfB1ZR8EkHTPqzyc;nat=yes>
         Route:
         <sip:126.128.68.9;r2=on;lr=on;ftag=vsTKsfB1ZR8EkHTPqzyc;nat=yes>
         User-Agent: IM-client/OMA1.0 sipML5-v1.2013.03.27
         Organization: Doubango Telecom

         Where 126.128.68.9:5060 <http://126.128.68.9:5060> is the
         Kamailio; 126.128.68.8:5065 <http://126.128.68.8:5065> is a
         freeswitch playing music and the request is received on
         126.128.68.9:8080 <http://126.128.68.9:8080> which is
         kamailio acting as a websocket server.
         Also the connection between Kamailio and Freeswitch is UDP. I
         am not able to use the websocket module just because of this
         small problem caused in signaling. Any help is really
         appreciated. Could it be related to the nathelper module?

         Thanks,

         --- Jayesh

         On Tue, Jun 18, 2013 at 2:17 PM, Daniel-Constantin Mierla
         &lt;miconda(a)gmail.com <mailto:miconda@gmail.com>> wrote:

             Hello,

             On 6/14/13 4:52 PM, Jayesh Nambiar wrote:
              Hello All,
             I have a setup which is SIPML5 -> Kamailio(Websocket) ->
             Freeswitch. All I am trying to do is initiate a call
             from SIPML5 and Play a Music file from freeswitch. This
             works, but the call hangs up after 30 seconds due to ACK
             timeout from from the SIPML5.

             What I can see is the SIPML5 from Chrome does send an
             ACK on websocket, but I see the following error in
             kamailio syslog:

             *via_builder(): TCP/TLS connection (id: 0) for WebSocket
             could not be found*
             *ERROR: <core> [msg_translator.c:1725]:
             build_req_buf_from_sip_req(): could not create Via header*
             *ERROR: <core> [forward.c:607]: forward_request():
             ERROR: forward_request: building failed*
             *ERROR: sl [sl_funcs.c:371]: sl_reply_error(): ERROR:
             sl_reply_error used: I'm terribly sorry, server error
             occurred (1/SL)*

             Can someone help me understand what I am missing here
             and why kamailio is not able to create a VIA header to
             forward this request towards freeswitch. I have built a
             simple config file by following
             https://gist.github.com/jesusprubio/4066845 as reference.

             Any help in understanding this is really appreciated.             
looks like the web rtc connection was down (closed by one
             side or interrupted by the network). You can check with
             kamcmd the list of active connections.

             Cheers,
             Daniel

             -- 
             Daniel-Constantin Mierla -http://www.asipto.com
             http://twitter.com/#!/miconda  <http://twitter.com/#%21/miconda> 
-http://www.linkedin.com/in/miconda
             Kamailio Advanced Training, San Francisco, USA - June 24-27, 2013
                *http://asipto.com/u/katu  *

             _______________________________________________
             SIP Express Router (SER) and Kamailio (OpenSER) -
             sr-users mailing list
             sr-users(a)lists.sip-router.org
             <mailto:sr-users@lists.sip-router.org>
             http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

     -- 
     Daniel-Constantin Mierla -http://www.asipto.com
     http://twitter.com/#!/miconda  <http://twitter.com/#%21/miconda> 
-http://www.linkedin.com/in/miconda

-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

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Re: [SR-Users] Error with ACK from SIPML5