[cisco-voip] Transcoding Problems - 2821 router with PVDM2-48

[Jason Evans]

Inline ...

> -----Original Message-----
> From: Fedorov, Konstantin [mailto:kfedor at amt.ru]
> Sent: Wednesday, April 19, 2006 3:13 AM
> To: Jason Evans; Kevin Thorngren
> Cc: cisco-voip at puck.nether.net
> Subject: RE: [cisco-voip] Transcoding Problems - 2821 router with PVDM2-48
> 
> Hi,
> 
> >> So do I need a transcoding resource on each side? IE, do I have to
> configure my GW at HQ to use local transcoding resources as well? This
> makes sense, but I asked this up front and didn't get a response, so I
> didn't figure it was necessary.
> 
> No, it is not necessary to have 2 transcoding resourses. 1 must be enough.

Ok.

> For what purposes you GW at HQ ?? 

The GW's in NY are X4604 blades in a Cat4506 that terminate PRI lines. They are MGCP enabled GW's.

If it just serve to transmit IP, it is
> invisible for Ip telephony. If it terminate call legs (POTS, VoIP) - yes

Yes, as I mentioned it terminates POTS calls. 

> It also must have knowledge about transcoding/confbridge resourses.

Not if I'm using MGCP right? Why does my PRI GW need to know about a VOIP call that is not even touching this GW? 

Thanks. 
> 
> 
> 
> -----------------------
> Sincerely Yours,
> Konstantin Fedorov
> 
> -----Original Message-----
> From: Jason Evans [mailto:JEvans at glgroup.com]
> Sent: Wednesday, April 19, 2006 4:45 AM
> To: Fedorov, Konstantin; Kevin Thorngren
> Cc: cisco-voip at puck.nether.net
> Subject: RE: [cisco-voip] Transcoding Problems - 2821 router with PVDM2-48
> 
> 
> Hi, Jason.
> 
> So how I understand Conf bridge located in the HQ,  and belong to the DP
> which doesn't contain transcoding resources ?
> 
> >> Correct
> 
> If so, insert this transcoding to the this DP.
> 
> >> Ok, so I put the transcoder into the HQ DP but it's the same result.
> 
> Because when you call from remote location to the HQ phone, you use
> transcoding but when you initiate a conference, you take another resource
> and this resource
> must also have knowledge where take transcoding.
> 
> >> So do I need a transcoding resource on each side? IE, do I have to
> configure my GW at HQ to use local transcoding resources as well? This
> makes sense, but I asked this up front and didn't get a response, so I
> didn't figure it was necessary.
> 
> Another way, configure dspfarm also like conf bridge.
> 
> >> This sounds like it might be easier.
> 
> -----------------------
> Sincerely Yours,
> Konstantin Fedorov
> ________________________________________
> From: Jason Evans [mailto:JEvans at glgroup.com]
> Sent: Tuesday, April 18, 2006 9:24 PM
> To: Fedorov, Konstantin; Kevin Thorngren
> Cc: cisco-voip at puck.nether.net
> Subject: RE: [cisco-voip] Transcoding Problems - 2821 router with PVDM2-48
> 
> Hi Konstantin,
> 
> Right now I'm speaking g711 across the WAN so they use CCM resources. I
> know - its not an efficient or scalable solution, but our remote offices
> started small and are now growing rapidly, therefore its now imperative
> that I speak a lower bw codec to the WAN sites.
> 
> jason
> 
> ________________________________________
> From: Fedorov, Konstantin [mailto:kfedor at amt.ru]
> Sent: Tuesday, April 18, 2006 12:11 PM
> To: Jason Evans; Kevin Thorngren
> Cc: cisco-voip at puck.nether.net
> Subject: RE: [cisco-voip] Transcoding Problems - 2821 router with PVDM2-48
> 
> Hi,
> 
> What conference bridge do you use for remote phones ??
> 
> Does this conf bridge belong to the DP which also have transcoding
> resources ?
> 
> -----------------------
> Sincerely Yours,
> Konstantin Fedorov
> 
>