[SR-Users] Broken Via/reply-matching for natping OPTION

[marius zbihlei]

On 04/20/2011 04:47 PM, Andreas Granig wrote:
> Hi,
>
> When kamailio-3.1 sends OPTIONS for natping, the Via branch is wrong, e.g:
>
> OPTIONS sip:192.168.51.1:5060 SIP/2.0.
> Via: SIP/2.0/UDP 127.0.0.1:5062;branch=0.
> Route:<something>
>    

Hello

Check the syn_branch global parameter... must be 1 i think so that it 
creates a SIP 2.0 compliant branch. The default is imho bad and I will 
change it soon.

Marius
> Should be branch=z9hG4bK<something>  instead of branch=0, right? When a
> reply comes back, like this...
>
> SIP/2.0 100 Trying.
> Via: SIP/2.0/UDP 127.0.0.1:5062;branch=0;rport=5062.
> From: sip:pinger@<something>
>
> ... then kamailio logs this:
>
> INFO:<core>  [forward.c:786]: broken reply to forward - no 2nd via
>
> The full debug log looks like this:
>
> DEBUG:<core>  [parser_helpers.c:196]: path for branch:
> '<sip:lb at 127.0.0.1:5060;lr;received=sip:192.168.51.1:5060>'
> DEBUG:<core>  [parser/msg_parser.c:640]: SIP Reply  (status):
> DEBUG:<core>  [parser/msg_parser.c:642]:  version:<SIP/2.0>
> DEBUG:<core>  [parser/msg_parser.c:644]:  status:<100>
> DEBUG:<core>  [parser/msg_parser.c:646]:  reason:<Trying>
> DEBUG:<core>  [parser/parse_via.c:1287]: Found param type 232,<branch>
> =<0>; state=6
> DEBUG:<core>  [parser/parse_via.c:1287]: Found param type 235,<rport>  =
> <5062>; state=16
> DEBUG:<core>  [parser/parse_via.c:2300]: end of header reached, state=5
> DEBUG:<core>  [parser/msg_parser.c:515]: parse_headers: Via found, flags=2
> DEBUG:<core>  [parser/msg_parser.c:517]: parse_headers: this is the
> first via
> DEBUG:<core>  [receive.c:145]: After parse_msg...
> DEBUG: tm [t_lookup.c:1081]: DEBUG: t_check_msg: msg id=1 global id=0 T
> start=0xffffffffffffffff
> DEBUG:<core>  [parser/parse_to.c:803]: end of header reached, state=9
> DEBUG:<core>  [parser/msg_parser.c:187]: DEBUG: get_hdr_field:<To>
> [23]; uri=[sip:192.168.51.1:5060]
> DEBUG:<core>  [parser/msg_parser.c:189]: DEBUG: to body
> [sip:192.168.51.1:5060#015#012]
> DEBUG:<core>  [parser/msg_parser.c:167]: get_hdr_field: cseq<CSeq>:<1>
> <OPTIONS>
> DEBUG: tm [t_lookup.c:1055]: DEBUG: t_reply_matching: failure to match a
> transaction
> DEBUG: tm [t_lookup.c:1150]: DEBUG: t_check_msg: msg id=1 global id=1 T
> end=(nil)
> DEBUG:<core>  [parser/msg_parser.c:201]: DEBUG: get_hdr_body :
> content_length=0
> DEBUG:<core>  [parser/msg_parser.c:103]: found end of header
> INFO:<core>  [forward.c:786]: broken reply to forward - no 2nd via
> DEBUG:<core>  [usr_avp.c:646]: DEBUG:destroy_avp_list: destroying list (nil)
>
> Thanks,
> Andreas
>
>
>
>
>
>