[cisco-voip] ISDN data calls over H.323?

[Eric Knudson]

If they use a specific e.164, then you could differentiate based on
dnis(incoming called-number) rather than bearer-cap (though I swear
there was a dial-peer selection method based off of bearer-cap,
couldn't find it yesterday).

On 5/31/05, Vincent De Keyzer <vincent at dekeyzer.net> wrote:
> Well, I agree that data over ISDN over IP is not exactly the thing I always
> wanted to do in my life, but here is the reason.
> 
> We are offering a business telephony service, in which we have shared PRI
> Cisco gateways, and each customer PBX has a (non-Cisco) H.323 gateway
> connected to it (with one or more BRIs ports).
> 
> The need for data calls arises from the people doing remote maintenance on
> the PBX: they usually use an E.164 number from the customer range to dial in
> into the PBX.
> 
> So this is why I need to have voice as well as data calls within the same
> dial-peer.
> 
> The CPE gateways (non-Cisco), support that (without too many bugs).
> 
> I am surprised that Cisco does not?...
> 
> Vincent
> 
> 
> > -----Original Message-----
> > From: Walenta, Phil [mailto:philip.walenta at berbee.com]
> > Sent: mardi 31 mai 2005 1:37
> > To: Vincent De Keyzer; Eric Knudson
> > Cc: cisco-voip at puck.nether.net
> > Subject: RE: [cisco-voip] ISDN data calls over H.323?
> >
> > H.323 based on my experience won't support what you are trying to do.
> > H.323 was designed for voice/video, and not really data connections.
> >
> > Is there a reason you're trying to pull ISDN directly somewhere over the
> > data network?
> >
> > Only way I could see doing this is to pull in the ISDN connection, Drop
> > and insert it onto another T1, where you could CES it to another
> > location via IP.
> >
> >
> > -----Original Message-----
> > From: cisco-voip-bounces at puck.nether.net
> > [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Vincent De
> > Keyzer
> > Sent: Monday, May 30, 2005 11:18 AM
> > To: 'Eric Knudson'
> > Cc: cisco-voip at puck.nether.net
> > Subject: RE: [cisco-voip] ISDN data calls over H.323?
> >
> > Interesting, thanks.
> >
> > The drawback of this system is, however, that you need to have a special
> > dial-peer with codec "clear-channel". What I would like is a single
> > dial-peer where the codec selection is based on the bearer-cap of the
> > ISDN
> > call: if bearer-cap is unrestricted, use "clear-channel" codec; if
> > bearer-cap is speech or audio, use G.711.
> >
> > Is that possible?
> >
> > Vincent
> >
> >
> > > -----Original Message-----
> > > From: Eric Knudson [mailto:ericknudson at gmail.com]
> > > Sent: lundi 30 mai 2005 18:01
> > > To: Vincent De Keyzer
> > > Cc: cisco-voip at puck.nether.net
> > > Subject: Re: [cisco-voip] ISDN data calls over H.323?
> > >
> > > something like this?
> > > http://cisco.com/en/US/products/sw/iosswrel/ps1834/products_feature_gu
> > > ide0
> > > 9186a00800e9761.html
> > >
> > >
> > >
> > > On 5/30/05, Vincent De Keyzer <vincent at dekeyzer.net> wrote:
> > > >
> > > >
> > > >
> > > > Hello,
> > > >
> > > >
> > > >
> > > > is it possible to make ISDN data calls (no modem calls over ISDN,
> > > > but
> > > true
> > > > data calls ("Unrestricted" bearer-cap)) over a H.323 dial peer?
> > > >
> > > >
> > > >
> > > > I have tried and it does not work (call is connected but fails
> > > > during
> > > H.245
> > > > negotiation).
> > > >
> > > >
> > > >
> > > > HW is Cisco 2821, SW is "C2800NM-SPSERVICESK9-M, Version
> > 12.3(11)XL1".
> > > >
> > > >
> > > >
> > > > Thanks in advance,
> > > >
> > > >
> > > >
> > > > Vincent
> > > >
> > > >
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> > > >
> > > >
> > > >
> >
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> 
>