[SR-Users] Double Session Description Protocol Version (v) 0 data when using rtpengine

[Wilkins, Steve]

Could you tell me what type of calls could cause this in a route script.  I just do see what I could be doing to generate that.  It only happens with rtpengine is enabled.

Thank you.

-----Original Message-----
From: sr-users <sr-users-bounces at lists.kamailio.org> On Behalf Of Alex Balashov
Sent: Wednesday, October 24, 2018 8:51 AM
To: Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
Subject: Re: [SR-Users] Double Session Description Protocol Version (v) 0 data when using rtpengine

I think you've crawled down that rabbit hole about two millennia prematurely. There is a much simpler explanation for why you're getting a duplicated SDP stanza - in the logic of your route script. It's not a bug in Kamailio. 

I can't tell you exactly what the cause is, but I believe this avenue of exploration will prove fruitful. It's a fairly common problem.

On Wed, Oct 24, 2018 at 12:49:55PM +0000, Wilkins, Steve wrote:

> I was looking at the sdpops_mod.c code hoping that there was an easy way to remove a sess_version (Session Description Protocol Version (v): 0) structure, but there does not appear to be that functionality in that module.  It might be a bit of work to remove a duplicate sess_version line.
> 
> I am using Kamailio 5.1, does anyone know if this is an issue in later versions?
> 
> Thank you,
> -Steve

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Alex Balashov | Principal | Evariste Systems LLC

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