Hi, Daniel Yes it is without any headers... I have attached screenshot from wireshark, I can not save it because this is sip tls...
Thank you -- Best regards, Sergey Basov e-mail: sergey.v.ba...@gmail.com 2017-03-01 15:57 GMT+02:00 Daniel-Constantin Mierla <mico...@gmail.com>: > Hello, > > > On 28/02/2017 17:05, Sergey Basov wrote: >> Hi All. >> >> Today I have problem with connection from 1 of the clients. >> Their PBX sends KEEP-ALIVE after some time after REGISTER. >> >> I have next error in kamailio log >> >> Feb 28 14:26:19 sbc2 /usr/sbin/kamailio[3657]: ERROR: <core> >> [tcp_read.c:1354]: tcp_read_req(): bad request, state=7, error=4 >> buf:#012KEEP-ALIVE sip:1.2.3.4 SIP/2.0#015#012#015#012#012parsed >> :#012KEEP-ALIVE sip:1.2.3.4 SIP/2.0 >> >> After which my kamailio closes TCP session.... >> >> This connection is done with sip TLS. >> > Is that message a single line like next? > > KEEP-ALIVE sip:1.2.3.4 SIP/2.0 > > If yes, this is not a valid SIP message, because it lacks mandatory > headers such as call-id, cseq, from/to. > > Cheers, > Daniel > > -- > Daniel-Constantin Mierla > www.twitter.com/miconda -- www.linkedin.com/in/miconda > Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - > www.asipto.com > Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
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