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Hello all; it is 3rd. mail to send about it. i installed kamailio V 4.3.2 and Aster?sk 13.5 version the same machine. Kamailio listens 5061 port and asterisk listens 5080 port. When the calls happens , aster?sk sends perfectly 200 Ok message to Kamailio and then kamailio sends to UAC. Here is the problem, UAC sends to ACK message to kamailio , and then kamailio flooding itself with ACK messages. after checking some debug logs , i found the problem. loose_route function selecting wrong next hops. i cannot find the solution. Thanks for helps UAC ->-- INVITE:5061--->KAMAILIO->-INVITE:5080---->ASTER?SK UAC ->-- 200 OK:5060--->KAMAILIO-<-200 OK:5061---<-ASTER?SK UAC ->-- ACK :5061---> KAMAILIO->- ACK :5061---->-KAMAILIO KAMAILIO->- ACK :5061---->-KAMAILIO KAMAILIO->- ACK :5061---->-KAMAILIO ------------ 6(10643) DEBUG: <core> [parser/msg_parser.c:606]: parse_msg(): SIP Request: 6(10643) DEBUG: <core> [parser/msg_parser.c:608]: parse_msg(): method: <ACK> 6(10643) DEBUG: <core> [parser/msg_parser.c:610]: parse_msg(): uri: <sip:050661102@ip:5080> 6(10643) DEBUG: <core> [parser/msg_parser.c:612]: parse_msg(): version: <SIP/2.0> 6(10643) DEBUG: <core> [parser/parse_via.c:1254]: parse_via_param(): Found param type 235, <rport> = <n/a>; state=6 6(10643) DEBUG: <core> [parser/parse_via.c:1254]: parse_via_param(): Found param type 232, <branch> = <z9hG4bKPjf470c12ae4af4c6484564045f41323f2>; state=16 6(10643) DEBUG: <core> [parser/parse_via.c:2642]: parse_via(): end of header reached, state=5 6(10643) DEBUG: <core> [parser/msg_parser.c:496]: parse_headers(): parse_headers: Via found, flags=2 6(10643) DEBUG: <core> [parser/msg_parser.c:498]: parse_headers(): parse_headers: this is the first via 6(10643) DEBUG: <core> [receive.c:134]: receive_msg(): After parse_msg... 6(10643) DEBUG: <core> [receive.c:177]: receive_msg(): preparing to run routing scripts... 6(10643) DEBUG: <core> [parser/parse_addr_spec.c:172]: parse_to_param(): DEBUG: add_param: tag=as6832055a 6(10643) DEBUG: <core> [parser/parse_addr_spec.c:894]: parse_addr_spec(): end of header reached, state=29 6(10643) DEBUG: <core> [parser/msg_parser.c:173]: get_hdr_field(): DEBUG: get_hdr_field: <To> [44]; uri=[sip:50661102@ip] 6(10643) DEBUG: <core> [parser/msg_parser.c:175]: get_hdr_field(): DEBUG: to body [sip:50661102@ip] 6(10643) DEBUG: maxfwd [mf_funcs.c:85]: is_maxfwd_present(): value = 70 6(10643) DEBUG: <core> [parser/msg_parser.c:153]: get_hdr_field(): get_hdr_field: cseq <CSeq>: <16369> <ACK> 6(10643) DEBUG: <core> [parser/msg_parser.c:187]: get_hdr_field(): DEBUG: get_hdr_body : content_length=0 6(10643) DEBUG: <core> [parser/msg_parser.c:89]: get_hdr_field(): found end of header 6(10643) DEBUG: <core> [parser/parse_addr_spec.c:172]: parse_to_param(): DEBUG: add_param: tag=4e6c8524c571421ebaa0fa35b35d9d45 6(10643) DEBUG: <core> [parser/parse_addr_spec.c:894]: parse_addr_spec(): end of header reached, state=29 6(10643) DEBUG: sanity [mod_sanity.c:248]: w_sanity_check(): sanity checks result: 1 6(10643) DEBUG: <core> [msg_translator.c:158]: check_via_address(): (uac, uac, 0) 6(10643) DEBUG: siputils [checks.c:100]: has_totag(): totag found 6(10643) ALERT: <script>: 6(10643) DEBUG: rr [loose.c:88]: is_preloaded(): is_preloaded: No 6(10643) DEBUG: <core> [socket_info.c:563]: grep_sock_info(): checking if host==us: 12==12 && [ip] == [ip] 6(10643) DEBUG: <core> [socket_info.c:566]: grep_sock_info(): checking if port 5061 (advertise 0) matches port 5080 6(10643) DEBUG: <core> [forward.c:412]: check_self(): host != me 6(10643) DEBUG: rr [loose.c:672]: after_strict(): Next hop: 'sip:ip:5061;lr;ftag=4e6c8524c571421ebaa0fa35b35d9d45' is loose router 6(10643) DEBUG: rr [loose.c:722]: after_strict(): The last route URI: 'sip:ip:5061;lr;ftag=4e6c8524c571421ebaa0fa35b35d9d45' 6(10643) ALERT: <script>: ACK RU: sip:ip:5061;lr;ftag=4e6c8524c571421ebaa0fa35b35d9d45 6(10643) DEBUG: siputils [checks.c:100]: has_totag(): totag found 6(10643) DEBUG: tm [t_lookup.c:1312]: t_newtran(): DEBUG: t_newtran: msg id=1 , global msg id=0 , T on entrance=0xffffffffffffffff 6(10643) DEBUG: tm [t_lookup.c:466]: t_lookup_request(): t_lookup_request: start searching: hash=64842, isACK=1 6(10643) DEBUG: tm [t_lookup.c:424]: matching_3261(): DEBUG: RFC3261 transaction matching failed 6(10643) DEBUG: tm [t_lookup.c:648]: t_lookup_request(): DEBUG: t_lookup_request: no transaction found 6(10643) DEBUG: tm [t_funcs.c:279]: t_relay_to(): SER: forwarding ACK statelessly 6(10643) DEBUG: <core> [md5utils.c:67]: MD5StringArray(): MD5 calculated: a0d4b97551e277683a30e969a0e407f7 6(10643) DEBUG: <core> [forward.c:556]: forward_request(): Sending: ACK sip:ip:5061;lr;ftag=4e6c8524c571421ebaa0fa35b35d9d45 SIP/2.0 Via: SIP/2.0/UDP ip:5061;branch=z9hG4bKa4df.a0d4b97551e277683a30e969a0e407f7.0 Via: SIP/2.0/UDP uac:5064;received=uac;rport=5064;branch=z9hG4bKPjf470c12ae4af4c6484564045f41323f2 Max-Forwards: 69 From: sip:85030231@ip;tag=4e6c8524c571421ebaa0fa35b35d9d45 To: sip:50661102@ip;tag=as6832055a Call-ID: 9235c4f0d23c4136b27186329a3c5fb4 CSeq: 16369 ACK Content-Length: 0 --
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