[Serusers] non-symmetric rtp with rtpproxy??

[Michal Matyska]

It was introduced to ottendorf version, where you can put
force_rtp_proxy("$avp"), but with 0.9.6 you have to use suggested if
elseif elseif...

Michal

On Wed, 2007-01-24 at 11:04 +0100, Cesc wrote:
> Hehhehehe, tks Klaus!
> 
> This was a good moment to repeat the infamous expression made popular
> in the internet lists like this ... RTFM! :)
> I saw it just after sending the email ... the A flag ... and the S
> flag (to set symmetric, as in bridged mode asymmetric is the
> default ... ).
> 
> Now, one more question.
> To fulfill my needs, I had to add a few extra rtpproxy flags to the
> already existing ... say M, N, X, Y ... But, they are not used all at
> the same time, so I was wondering how could i simplify the call of
> force_rtp_proxy ... Now I do something like ...
> 
> if( blabla )
>      force_rtp_proxy("FX")
> else if (bla2 )
>      force_rtp_proxy("FXY")
> else if ....
> 
> Not very nice. 
> Can i do something (maybe avp? i am using ser 0.9.6) so i can have ...
> options = F
> if( bla )
>        options += "X"
> if (bla2)
>        options +="Y"
> if( bla3)
>        options = "MN"
> 
> Cesc
> 
> 
> On 1/23/07, Klaus Darilion <klaus.mailinglists at pernau.at> wrote:
>         Hi Cesc!
>         
>         Check out the "a" flag:
>         
>         http://www.openser.org/docs/modules/1.1.x/nathelper.html#AEN319
>         
>         
>         regards
>         klaus
>         
>         
>         
>         Cesc wrote:
>         > Hi,
>         >
>         > I know this probably is a useless question, as rtpproxy says
>         it is a
>         > symmetric proxy ... but i have to ask, for peace of mind :)
>         >
>         > In my setup, i have on one side a symmetric rtp phone
>         (A) ... connected 
>         > to a
>         > ser proxy + rtpproxy ... and on the other side, a
>         non-symmetric phone (B).
>         > This is all on a lan, so no firewalls and stuff ... but I
>         MUST use the
>         > rtpproxy and I MUST use this non-symmetric phone (more like
>         a gateway, 
>         > actually).
>         >
>         > A ------ SER+rtpproxy ------ B (nonsym)
>         >
>         > So, the funny thing happens that i end up reciving audio
>         from B to A ...
>         > and
>         > then I hear A's own audio after being bounced by B (funny,
>         huh?). The 
>         > bouncing is due to rtpproxy changing the rtp port where he
>         sends to B
>         > ... he
>         > starts with the one announced on SDP ... then, after the
>         first RTP received
>         > from B, he switches to this new port ... mmmm 
>         >
>         > I guess this is a lost cause ... but maybe someone has a
>         brilliant
>         > idea?? :D
>         > (like a hack in rtpproxy which suddenly turns it into
>         > non-symmetrical-rtp-supported-endpoint proxy? :D ) 
>         >
>         > Regards,
>         >
>         > Cesc
>         >
>         >
>         >
>         ------------------------------------------------------------------------
>         >
>         > _______________________________________________
>         > Serusers mailing list 
>         > Serusers at lists.iptel.org
>         > http://lists.iptel.org/mailman/listinfo/serusers
>         
>         
>         --
>         Klaus Darilion 
>         nic.at
>         
> 
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