Hello,

is record_route() executed as well as add_rr_param() for reinvites? Cannot spot in the logs. You can load debugger module and enable cfgtrace to see what actions are executed from the config file.

Cheers,
Daniel

On 4/4/12 2:51 PM, Andrew Pogrebennyk wrote:
I've been pondering an issue with Route header parameters being not
mirrored by kamailio proxy into Record-Route field on in-dialog requests
over the last few hours so I thought I'd just whether I'm missing
something obvious.

The call scenario in UA ->  lb ->  proxy ->  sems. Everything is fine with
initial INVITE transaction where we add rr param ;rtpprx=yes. (We also
use dialog module.) The UA does re-INVITE where it mirrors RR headers to
Route set just fine. However, when forwarding re-INVITE kamailio proxy
removes own Route header and inserts RR header without rtpproxy, did etc
params.

The kamailio default config from branch 3.1 routes in-dialog requests in
the same fashion and I can't tell really if this is how it is supposed
to work? I can workaround this by add_rr_param() but shouldn't missing
did param cause a problem with dialog matching? Here is the debug with
log level 3:

Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: rr [loose.c:792]: Topmost 
route URI: 
'sip:127.0.0.1:5062;lr;ftag=8pTM6oKWVtC4H03478xjIR34SSsYuTU5;did=8a3.aab32831;mpd=ii;rtpprx=yes;vsf=aDNlNDEjPSkBJB9/YykkNnYYdTZ0KGUsfGZxVndVe1M-'
 is me
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG:<core>  
[parser/msg_parser.c:103]: found end of header
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: rr [loose.c:257]: No next 
Route HF found
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: rr [loose.c:811]: No next 
URI found
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: rr [rr_cb.c:97]: callback id 1 
entered 
with<lr;ftag=8pTM6oKWVtC4H03478xjIR34SSsYuTU5;did=8a3.aab32831;mpd=ii;rtpprx=yes;vsf=aDNlNDEjPSkBJB9/YykkNnYYdTZ0KGUsfGZxVndVe1M->
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: dialog 
[dlg_handlers.c:910]: route param is '8a3.aab32831' (len=12)
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: dialog [dlg_hash.c:442]: ref 
dlg 0x7f0a0be918b0 with 1 ->  3
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: dialog [dlg_hash.c:444]: 
dialog id=327302058 found on entry 936
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: dialog [dlg_hash.c:757]: 
dialog 0x7f0a0be918b0 changed from state 4 to state 4, due event 8
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: dialog 
[dlg_handlers.c:1042]: sequential request successfully processed
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: dialog [dlg_timer.c:117]: 
inserting 0x7f0a0be91900 for 127601858
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: dialog [dlg_hash.c:411]: 
cseq is 10760
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: rr [rr_cb.c:97]: callback id 0 
entered 
with<lr;ftag=8pTM6oKWVtC4H03478xjIR34SSsYuTU5;did=8a3.aab32831;mpd=ii;rtpprx=yes;vsf=aDNlNDEjPSkBJB9/YykkNnYYdTZ0KGUsfGZxVndVe1M->
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: uac [from.c:421]: getting 
'vsf' Route param
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: uac [from.c:429]: route 
param is 'aDNlNDEjPSkBJB9/YykkNnYYdTZ0KGUsfGZxVndVe1M-' (len=44)
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: uac [from.c:479]: decoded 
uris are: new=[sip:43991001@192.168.51.210] 
old=[sip:sipwise-user1@192.168.51.210]
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: rr [loose.c:983]: params 
are<;lr;ftag=8pTM6oKWVtC4H03478xjIR34SSsYuTU5;did=8a3.aab32831;mpd=ii;rtpprx=yes;vsf=aDNlNDEjPSkBJB9/YykkNnYYdTZ0KGUsfGZxVndVe1M->
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: siputils [checks.c:76]: 
totag found
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: textops [textops.c:1789]: 
content type is 196611
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: rr [loose.c:983]: params 
are<;lr;ftag=8pTM6oKWVtC4H03478xjIR34SSsYuTU5;did=8a3.aab32831;mpd=ii;rtpprx=yes;vsf=aDNlNDEjPSkBJB9/YykkNnYYdTZ0KGUsfGZxVndVe1M->
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: rr [loose.c:983]: params 
are<;lr;ftag=8pTM6oKWVtC4H03478xjIR34SSsYuTU5;did=8a3.aab32831;mpd=ii;rtpprx=yes;vsf=aDNlNDEjPSkBJB9/YykkNnYYdTZ0KGUsfGZxVndVe1M->
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: INFO:<script>: Use mediaproxy for 
forward direction for IPv4/IPv4 - M=INVITE R=sip:127.0.0.1:5080 
F=sip:sipwise-user1@192.168.51.210 T=sip:43991002@192.168.51.210 
IP=192.168.51.1:35189 (127.0.0.1:5060) ID=M6obxlxpUOPPR3CQYE-d2t9-fgybDo6y
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: rtpproxy [rtpproxy_funcs.c:148]: 
type<application/sdp>  found valid
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: DEBUG: rtpproxy 
[rtpproxy.c:2260]: proxy reply: 30080 192.168.51.210 4#012
Apr  4 13:23:21 sp1 /usr/sbin/kamailio[7520]: INFO:<script>: Relaying request - 
M=INVITE R=sip:127.0.0.1:5080 F=sip:sipwise-user1@192.168.51.210 
T=sip:43991002@192.168.51.210 IP=192.168.51.1:35189 (127.0.0.1:5060) 
ID=M6obxlxpUOPPR3CQYE-d2t9-fgybDo6y

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--
Daniel-Constantin Mierla
Kamailio Advanced Training, April 23-26, 2012, Berlin, Germany
http://www.asipto.com/index.php/kamailio-advanced-training/


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