Re: [GnomeMeeting-list] Question regarding PC-to-Phone Calls

[Damien Sandras <dsandras seconix com>]

Le vendredi 18 février 2005 à 15:47 +0530, Ashutosh Sharma a écrit :
> Yeah thanks.
>    Definitely h/w is must. I mean I will be mostly going for Quicknet
> PhoneJack. So this means that I can use the services of My ISP with this
> GM and h/w.

Is your ISP also offering a normal phone line?

> But what I asked about the OpenH323 PSTN Gateway codec support was that
> correct (if you can throw some light on that) or not?
> 

Yes it should be. Pay attention to the fact that there is no driver yet
for kernel 2.6 for Quicknet cards.

A more complicated alternative is to use Asterisk (www.asterisk.org).

> On Fri, 2005-02-18 at 15:33, Damien Sandras wrote:
> > Le vendredi 18 février 2005 à 15:21 +0530, Ashutosh Sharma a écrit :
> > > Thanks sir.
> > > That was really helpful.       
> > > Sorry to bother you, but some more questions.
> > >        Actually I have downloaded the Open H.323 PSTN Gateway. I looked
> > > into the source code and found that it supports only GSM and G.711 codec
> > > only.
> > > SO what I did that I added all capabilities using "AddAllcapabilities"
> > > function with (0,0,"*"). So does this means that now this PSTN Gateway
> > > is able to support PC-to-Phone calls on all audio codecs (I suppose all
> > > codecs means whatever the codecs that are there in OpenH323 version).
> > > 
> > 
> > To support PC-To-Phone using that software you need hardware in which
> > you will plug your normal phone line. How could it work otherwise?
> > 
> > > Also I got to know from your response that there are two service
> > > providers which can provide services via GM, but I am interested to know
> > > that why can't I use my Service Provider for that using GM, because if
> > > we talk about NET2Phone,then in that also my ISP can be  anyone. I mean
> > > I want a scenario to be like this:- 
> > > 
> > > PC (GM) <===>OpenH323 based GATEWAY <==>My ISP <===>Phone(POT/PSTN)
> > > 
> > 
> > Here is what you can have :
> > 
> > PC (GM) <====> OpenH323 based GATEWAY with Hardware <==> Your telco
> > provider <====> Phone
> > 
> > OR
> > 
> > PC (GM) <====> PC-To-Phone provider <====> Phone
> > 
> > > Sorry if my question seems to be absurd.
> > > 
> > > Thanks and regards,
> > > Ashutosh Sharma.
> > > On Fri, 2005-02-18 at 14:41, Damien Sandras wrote:
> > > > Hello,
> > > > 
> > > > 
> > > > If you want to make PC-To-Phone calls, you have basically 3 solutions :
> > > > 1) Build your own gateway, connected to the landline, using for example
> > > > Asterisk. With that solution, you will pay the same rate than when you
> > > > are using your classical phone as you will be using your own line.
> > > > 
> > > > 2) Build a PC-To-Phone account from a provider. You will then be able to
> > > > phone at cheaper rates as they have terminations in several countries
> > > > and it is thus cheaper to do international calls than when you are using
> > > > your own line. There are 2 providers (and perhaps more) known to work
> > > > with GnomeMeeting :
> > > >      a) MicroTelco: They support only G.723.1 as codec. That codec is
> > > > patented and doesn't exist on Linux. The only way to do calls using
> > > > G.723.1 using GnomeMeeting is thus to buy a Quicknet card. That will
> > > > permit you to use G.723.1 (which comes with the card) and to plug a
> > > > normal phone in the card and use it with GnomeMeeting.
> > > >      b) The GnomeMeeting 1.2 provider: They support G.711 and GSM as
> > > > codecs, you can do PC-To-Phone calls using only your soundcard and a
> > > > headset. You need GnomeMeeting 1.2, there is a special window to
> > > > register a PC-To-Phone account to this provider.
> > > > 
> > > > Hope it helps,
> > > > 
> > > > Le vendredi 18 février 2005 à 14:28 +0530, Ashutosh Sharma a écrit :
> > > > > Hello All,
> > > > > 
> > > > >   I am having a doubt regarding PC-to-Phone Calls through GnomeMeeting.
> > > > > Is this necessary to buy a MicroTelco account for doing this. 
> > > > > If I am connected to the Internet, so obviously I will be having an
> > > > > account from my ISP. So can't I use that account for doing calls.
> > > > > And in that scenario, if I am not wrong then I should have OpenH323
> > > > > Gateway at my place.
> > > > > Please correct me if I am wrong.
> > > > > 
> > > > > Thanks and regards,
> > > > > Ashutosh. 
> > > > > 
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> > > > > GnomeMeeting-list gnome org
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> > > 
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> 
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-- 
 _      Damien Sandras
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