Re: [GnomeMeeting-list] T.120 text-chat

[Chris Tooley <ctooley phototropia org>]

On Fri, 2002-07-12 at 07:26, Roger Hardiman wrote:
> Hi
> 
> > I know that this has been discussed quite a lot before,
> > so I don't intend to keep on nagging about it.
> >
> > However, regarding the (non) possibility to perform
> > text-chat with MS Netmeeting users,
> > I learned that it would require implementation of
> > the T.120 protocol, which is currently not available
> > for Linux.
> 
> Yes, the OpenH323 stack does not have T.120 support.
> There is some code in openh323 but it has not been finished
> and does not work.
> 
> 
> > Anyway, as I understand, the T.120 protocol comprises a lot
> > of functionality such as desktop sharing and file transfer, correct?
> 
> Yes, that is correct.
> T.120 consists of a familty of protocols caled T.121, T.122, T.123 etc
> I think T.126 is the text chat part.
> But over all things are refered to as T.120.
> 
> 
> > So I'm just wondering, in order to implement T.120 text-chat
> > into GM, must the T.120 protocol as a whole be ported?
> > Wouldn't it be possible to initially only port the T.120 "text-chat"
> > feature, and not the other features?
> 
> 
> You are right.
> All that would be needed is T.126 (assuming that is the right number)
> and the part of T.120 which sends data between applciations.
> 
> 
> > Again, I'm not a developer, and therefore not very knowledgeable,
> > but wouldn't implementing text-chat only be more or less
> > as much (little) work as it were implementing GM's domestic
> > text-chat feature?
> 
> Unfortunatly implementing T.120 is much much harder than the text chat
> we added to GM.
> That is why it has been on the TODO list for the OpenH323 developers
> for a few years.
> 
> 
> The OpenH323 development team know that users would like T.120 for text
> chat, but they have no time to work on it.
> The only way T.120 will get added is if someone pays for it or if some

How much would it cost to pay for it?

> developers
> sit down and write it.
> 
> Roger
> 
> 
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