[OpenSIPS-Users] 302 redirect question

Brett Nemeroff brett at nemeroff.com
Thu Mar 25 03:41:27 CET 2010


Hello All,
I have a question about 302 redirects.Maybe I'm just misunderstanding how
it's supposed to work..

I get the following redirect:

SIP/2.0 302 Moved temporarily.

Via:SIP/2.0/UDP 192.168.21.10;branch=z9hG4bK6cd5.ae1f6c43.0,SIP/2.0/UDP
10.10.10.11:5060;branch=z9hG4bK-a96e3-4baac9a7-8c685c67-5898d54b.

From:<sip:+5125551212 at 10.10.10.11:5060
>;tag=a9d5ed0-13c4-4baac9a7-8c685c67-19c2a61a.

To:<sip:15205551212 at 192.168.21.10:5060>;tag=100063687-1269483944267.

Call-ID:CXC-410-65762490-a9d5ed0-13c4-4baac9a7-8c685c67-17d5873c at 10.10.10.11<Call-ID%3ACXC-410-65762490-a9d5ed0-13c4-4baac9a7-8c685c67-17d5873c at 10.10.10.11>
.

CSeq:1 INVITE.

Record-Route:<sip:192.168.21.10;lr=on;did=f8d.623e93f6>.

Contact:<sip:5205551212 at 192.168.50.10:5060
;user=phone>;q=0.5,<sip:5205551212 at 192.168.30.10:5060;user=phone>;q=0.25.

Content-Length:0.


And in my failure route I have:

        if (t_check_status("302")) {

                get_redirects("*");

                t_relay();

                exit;

        }

Now when I watch a sip trace, right after the 302, an INVITE fires off to
BOTH 192.168.50.10 and 192.168.30.10 at the exact same time. The q values
are different, shouldn't they be serial?

I'm not entirely sure how much "magic" is handled in the q-value and how
much needs to be scripted.. But I was under the impression that this magic
was "fully automatic"

Thanks!
-Brett
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