Hello, About fix_nated_contact () problem has been resolved.
Thanks for your help. The reason is that when k2 sent to k1 200 ok, k1 should not do fix_nated_contact to ua1. k2 received ack signal must be ua2 uri address k2 debug: DEBUG: <core> [parser/msg_parser.c:624]: SIP Request: DEBUG: <core> [parser/msg_parser.c:626]: method: <ACK> DEBUG: <core> [parser/msg_parser.c:628]: uri: <sip:5001005@122.116.37.55:59453;transport=TCP;ob> DEBUG: <core> [parser/msg_parser.c:630]: version: <SIP/2.0> 2013/12/16 dolphin <dolphin...@gmail.com> > > Thank you for your reply, I will try about fix_nated_contact() problem > > > 2013/12/13 Daniel-Constantin Mierla <mico...@gmail.com> > >> Perhaps you do fix_nated_contact() in k1, which should not be done, >> because k1 is not the first hop from ua2. >> >> Cheers, >> Daniel >> >> >> On 13/12/13 02:22, dolphin wrote: >> >> hello, >> >> I’m trying to build two kamailio-3.3.4 server like this: >> >> ua1 ----> kamailio1(k1)-----> kamailio2(k2) -----> ua2 >> >> ua1 (5978003 ) is register k1 >> ua2 (5001005) is register k2 >> >> When ua1 callout to ua2 sip process through k1 and k2 >> >> The problem is k2 server ACK not transfer to ua2 and k2 has received >> ack signals from u1 through k1 >> >> I ngrep sip process for k2 and k2 /var/log/debug >> >> see the attached File ngrep_k2server.txt, debug_k2 >> >> 1. >> First ACK uri have ua2 number sip:5001...@xxx.xxx.xxx.xxx(k2):5003;ob , >> is correct !! >> >> 2. Second ack not include 5001005 , again loop itself ; Route: >> <sip:xxx.xxx.xxx.xxx(k2):5003;lr;did=763.941> >> loose_route Next hop: 'sip:xxx.xxx.xxx.xxx(k2):5003;lr;did=763.941' is >> loose router. >> >> so next hop Not found in usrloc db 5001005 user and not transfer >> to ua2 >> >> How to fix this problem, any suggestions ? >> >> >> >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing >> listsr-us...@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> >> >> -- >> Daniel-Constantin Mierla - >> http://www.asipto.comhttp://twitter.com/#!/miconda - >> http://www.linkedin.com/in/miconda >> >> > -- ================================== Chinotek Information 尖端電腦公司 dolphin 周記偉 Email : dolp...@rav.com.tw Tel : 886-2-2765-7775 Fax : 886-2-2762-2747 IP Phone : 123 website : http://www.rav.com.tw ==================================
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