[OpenSIPS-Users] Possible issue with rtpproxy_offer

Bogdan-Andrei Iancu bogdan at voice-system.ro
Thu Aug 5 16:26:11 CEST 2010


Hi Daniel,

by "I do the rtpproxy_offer in the first branch" do you mean you do the 
rtpproxy_offer() in a branch_route ?

Regards,
Bogdan

Daniel Goepp wrote:
> I'm not actually doing it globally, I do the rtpproxy_offer in the 
> first branch (since I need to for the first call), then when it fails, 
> it calls the second branch.  I'm thinking the better way to handle 
> this I guess is to serialize the branches.
>
> -dg
>
>
> On Wed, Aug 4, 2010 at 2:51 PM, Bogdan-Andrei Iancu 
> <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>> wrote:
>
>     Hi Daniel,
>
>     not really....the bad idea was to to rtpproxy stuff in request route
>     (globally), considering  that you want to do per-branch changes
>     :)....Again use only branch route to do the per-branch changes.
>
>     REgards,
>     Bogdan
>
>     Daniel Goepp wrote:
>     > Okay, I guess I will have to figure out a different way to handle
>     > this.  Am I correct in assuming then the idea of putting a route(10)
>     > for example nested in the failure block of another route is a
>     bad idea?
>     >
>     > -dg
>     >
>     >
>     > On Wed, Aug 4, 2010 at 10:04 AM, Bogdan-Andrei Iancu
>     > <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>
>     <mailto:bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>>>
>     wrote:
>     >
>     >     Hi Daniel,
>     >
>     >     it is not a bug - the idea is you must not call RTPproxy
>     function more
>     >     than once per branch - and keep in mind that whatever
>     changes you
>     >     do in
>     >     request route do apply to all branches.....
>     >
>     >     If you want to do per branch changed, use the branch route.
>     >
>     >     Regards,
>     >     Bogdan
>     >
>     >     Daniel Goepp wrote:
>     >     > I don't think I would call this a "bug" quite yet, but
>     figured it
>     >     > might be worth bringing up.  Here is the call scenario:
>     >     >
>     >     > User A calls User B, no answer, timer hit, forward call.  The
>     >     original
>     >     > timeout was on route(1), and I just rewrite some info, and
>     execute
>     >     > route(10) from the failure branch.  This is probably bad
>     >     practice, and
>     >     > I would appreciate input on how this would be better
>     handled.  But
>     >     > that said, here is what I see.  Since route(1) had already
>     done a
>     >     > rtpproxy_offer, when I hit route (10), it does the same again,
>     >     > resulting in a line in the SDP that looks like:
>     >     >
>     >     > m=audio 3061830618 RTP/AVP 99 100 101 9 11 0 102.
>     >     >
>     >     > See the problem?  If  I make a call that naturally would go to
>     >     > route(10), that is not a problem, I see:
>     >     >
>     >     > m=audio 28568 RTP/AVP 99 100 101 9 11 0 102.
>     >     >
>     >     > It would appear that rtpproxy_offer is trying to append
>     the port
>     >     > number to an already existing port number.  Make sense?
>     >     >
>     >     > -dg
>     >     >
>     >    
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>     >     --
>     >     Bogdan-Andrei Iancu
>     >     OpenSIPS Bootcamp
>     >     20 - 24 September 2010, Frankfurt, Germany
>     >     www.voice-system.ro <http://www.voice-system.ro>
>     <http://www.voice-system.ro>
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>     Bogdan-Andrei Iancu
>     OpenSIPS Bootcamp
>     20 - 24 September 2010, Frankfurt, Germany
>     www.voice-system.ro <http://www.voice-system.ro>
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-- 
Bogdan-Andrei Iancu
OpenSIPS Bootcamp
20 - 24 September 2010, Frankfurt, Germany
www.voice-system.ro




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