[sr-dev] [tracker] Task opened: uac_redirect not honoring q-value for max_total = 1 (Attachment added)

[sip-router]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Stefan Prelle (spr) 

Attached to Project - sip-router
Summary - uac_redirect not honoring q-value for max_total = 1
Task Type - Bug Report
Category - Modules kamailio
Status - Unconfirmed
Assigned To - 
Operating System - Linux
Severity - Medium
Priority - Normal
Reported Version - 4.0
Due in Version - Undecided
Due Date - Undecided
Details - I am using kamailio 4.0.3 and the uac_redirect module to evaluate the 302 response from a SIP redirect server and establish a call only to the target with the highest priority.
My problem is, that kamailio does not pick the target with the highest priority, but the one with the lowest.

In the 302 the kamailio is receiving, there is a Contact header like this:

<code>Contact:<sip:+49xxx at a.a.a.a:5060;user=phone>;q=0.5,<sip:+49xxx at b.b.b.b:5060;user=phone>;q=0.25</code>

In my failure_route block I basically use the following commands

<code>get_redirects("1");
t_relay();</code>

The call then gets redirected to b.b.b.b whereas I would expect it to goto a.a.a.a

When I change my script to
   <code>get_redirects("*");</code>
the call is forked to both IPs in parallel (starting with a.a.a.a)

I tried to strip that down to a minimal config that you will find attached.

One or more files have been attached.

More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=349

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