Hi Jeff,
This is Andrei. I am currently working on this right now. It should be finished in a couple of days if nothing comes up. Andrei. --- On Wed, 7/22/09, Jeff Pyle <[email protected]> wrote: > Just curious if you had a chance to see what the status is > of this SDP > manipulation code. > > > Thanks, > Jeff > > > > On 6/15/09 6:36 PM, "Bogdan-Andrei Iancu" <[email protected]> > wrote: > > > Hi Jeff, > > > > I have some code from last year - let me check it out > and see what is > > the status. > > > > Regards, > > Bogdan > > > > Jeff Pyle wrote: > >> Hi Bogdan, > >> > >> It¹s been a little while since we talked about > this. I was wondering > >> if there was anything in the works to detect > and/or manipulate the > >> codecs present in an SDP. > >> > >> > >> > >> - Jeff > >> > >> > >> > >> On 2/1/09 4:08 AM, "Steve Kurzeja" <[email protected]> > wrote: > >> > >> This idea is quite > standard in SBCs, typically called codec > >> profiles, where you permit > only certain codecs to be passed > >> through the SBC in an > INVITE and all the rest are stripped out. > >> > >> We use it to get around > interop issues with certain codecs. E.g. > >> we have some end > devices/customers that have issues using g729a so > >> we choose to remove this > codec for these specific endpoints. > >> > >> The poor man's method to > implementing this is just doing header > >> manipulations in the SDP > but it would be nice to be standardized. > >> > >> Regards, > >> Steve > >> > >> > >> On Fri, Jan 30, 2009 at > 2:20 AM, Jeff Pyle > >> <[email protected]> > wrote: > >> > >> Hi Bogdan, > >> > >> I'm looking > for the ability to selectively remove codec > >> > advertisements from > >> the SDP. For > example, if my customer sends a call to me for PSTN > >> termination > he may advertise G711 and G729, with G711 > >> preferred. > By looking > >> at the > number of existing dialogs I may know that he's running > >> low on > >> bandwidth, > so I would like to suppress the G711 advertisement > >> ultimately > >> causing a > 200 OK from the carrier with G729. > >> > >> Generically, > in this application we're looking only to > >> suppress > G711 at > >> certain > times. > >> > >> I understand > normally codec selection is done completely by > >> the gateway > >> device. > However, my gateway devices aren't smart enough to > >> take > bandwidth > >> utilization > into consideration when choosing which codecs to > >> advertise. > I'm > >> hoping my > proxy might be. :) > >> > >> Does that > make sense? > >> > >> > >> > >> - Jeff > >> > >> > >> > >> On 1/29/09 > 5:04 AM, "Bogdan-Andrei Iancu" > >> <[email protected]> > wrote: > >> > >>> Hi Jeff, > >>> > >>> right now there is only available some > functionality to check > >> the codecs > >>> (to see what codecs are advertised in the > SDP)... What > >> exactly are > you > >>> looking for (like codec ops) ? > >>> > >>> Regards, > >>> Bogdan > >>> > >>> Jeff Pyle wrote: > >>>> Bogdan, > >>>> > >>>> Some months back you mentioned an upcoming > feature that > >> would allow > >>>> Opensips to manipulate the codecs present > in the SDP. Just > >> wondering > >>>> if there is anything available to test > yet. This feature, in > >>>> combination with dialog contexts, will be > of great use to us > >> to allow > >>>> us to take a guess at the bandwidth > consumption for a particular > >>>> customer and force the use of a compressed > codec if necessary. > >>>> > >>>> > >>>> Thanks, > >>>> Jeff > >>> > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opensips.org/cgi-bin/mailman/listinfo/users > _______________________________________________ Users mailing list [email protected] http://lists.opensips.org/cgi-bin/mailman/listinfo/users
