17 Sep
2008
17 Sep
'08
1:42 p.m.
Hello,
what you sent is the debug from kamailio/openser, which is useful, but I
would need the sip messages, you can use ngrep for that, do
ngrep -d any -qt -W byline port 5060
on your openser/kamailio server and send the output.
Thanks,
Daniel
On 09/17/08 02:22, Kent Pirlo wrote:
... is my core switch,
... is my openser/Kamailio redirect server
... is a redirect server from a carrier of ours that returns a billing TN in contact
header..
Here is the debug of the incoming ACK from the core switch after being sent the 300...
Sep 16 15:49:50 [6505] DBG:core:parse_msg: SIP Request:
Sep 16 15:49:50 [6505] DBG:core:parse_msg: method: <ACK>
Sep 16 15:49:50 [6505] DBG:core:parse_msg: uri: <sip:...@...>
Sep 16 15:49:50 [6505] DBG:core:parse_msg: version: <SIP/2.0>
Sep 16 15:49:50 [6505] DBG:core:parse_headers: flags=2
Sep 16 15:49:50 [6505] DBG:core:parse_to_param:
tag=391854ebdd4d0c63cf50836cbb12191e-6708
Sep 16 15:49:50 [6505] DBG:core:parse_to: end of header reached, state=29
Sep 16 15:49:50 [6505] DBG:core:parse_to: display={},
Sep 16 15:49:50 [6505] DBG:core:get_hdr_field: <To> [75];
Sep 16 15:49:50 [6505] DBG:core:get_hdr_field: to body
Sep 16 15:49:50 [6505] DBG:core:get_hdr_field: cseq <CSeq>: <1> <ACK>
Sep 16 15:49:50 [6505] DBG:core:parse_via_param: found param type 232, <branch> =
<z9hG4bKdce3ac34730f843a5a9b9c7002690f22>; state=16
Sep 16 15:49:50 [6505] DBG:core:parse_via: end of header reached, state=5
Sep 16 15:49:50 [6505] DBG:core:parse_headers: via found, flags=2
Sep 16 15:49:50 [6505] DBG:core:parse_headers: this is the first via
Sep 16 15:49:50 [6505] DBG:core:receive_msg: After parse_msg...
Sep 16 15:49:50 [6505] DBG:core:receive_msg: preparing to run routing scripts...
Sep 16 15:49:50 [6505] DBG:sl:sl_filter_ACK: to late to be a local ACK!
Sep 16 15:49:50 [6505] DBG:core:destroy_avp_list: destroying list (nil)
Sep 16 15:49:50 [6505] DBG:core:receive_msg: cleaning up
-----Original Message-----
From: Daniel-Constantin Mierla [mailto:miconda@gmail.com]
Sent: Tuesday, September 16, 2008 5:10 AM
To: kentp(a)globalpops.com
Cc: users(a)lists.kamailio.org
Subject: Re: [Kamailio-Users] nested redirect
Hello,
can you post here the SIP messages? Will help to spot if there is
anything wrong with the ACK or something else in the signaling.
Cheers,
Daniel
On 09/13/08 04:11, kentp(a)globalpops.com wrote:
--
Daniel-Constantin Mierla
http://www.asipto.com
i have a simple redirect server working:
Call comes from switch (A) to kamailio redirect server (B)..
(B) runs perl script to determine route
(B) sends Stateless 300 redirect reply to (A).
(A) sends ACK to (B).
Now, I need to add a nested redirect...
call comes from sitch (A) to kamailio redirect server (B)..
(B) then needs to send the call to third party proxy (C)..
(C) will return 302 redirect..
(B) sends ACK to (C)
(B) needs to read the contact header, then run perl script to determine route (using the
contact value
returned from (c))
(B) then sends 300 redirect back to (A).
(A) sends ACK back to (B)
so far i have been trying something like this, but the final (A) ACK gets ignored and (B)
keeps sending
multiple 300's to (A):
route {
route(1);
}
route[1] {
t_on_reply("1");
t_on_failure("2");
if (!t_relay("proxy.server.c:5060","0x02")) {
sl_reply_error();
}
onreply_route[1] {
if(t_check_status("302")){
$var(lrn_from_bv) = $ct;
}
}
failure_route[2] {
if (t_check_status("3[0-9][0-9]")) {
route(2);
exit;
}
route[2] {
if(perl_exec("callcheck")){
avp_pushto("$ru", "$avp(s:routes)/g");
t_reply("300","Go Here");
exit;
}
}
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--
Daniel-Constantin Mierla
http://www.asipto.com