[Asterisk-Dev] A crazy idea... Skype channel in Asterisk

[Michael Giagnocavo]

>Off topic but umm.. "Pay for Battle.net"? Granted I haven't played S.C or
>WC3 in almost 6-8 months, but it was free when I last checked. It was
>simply
>built into the game.

Hmm, then I think the court found that you could use a pirated copy with the
Battle.net emulator, thus defeating their "copyright protection".

>Are you all interested in Skype just because of the encryption? I mean, why
>do you have to use their specific protocol, can't it be changed or made
>different enough so that it isn't subject to a lawsuit? Are you trying to
>use their specific client? 

No. I think it'd be a VERY cool project to have encrypted audio end-to-end.
Digium told me that they're working on this for IAX. I hope they publish the
security specs soon for review.

The main reason I'd be interested in a Skype channel would be to people to
call Skype users and receive Skype calls into Asterisk.

-Michael

-----Original Message-----
From: asterisk-dev-bounces at lists.digium.com
[mailto:asterisk-dev-bounces at lists.digium.com] On Behalf Of Michael
Giagnocavo
Sent: Monday, October 18, 2004 4:22 PM
To: 'Asterisk Developers Mailing List'
Subject: RE: [Asterisk-Dev] A crazy idea... Skype channel in Asterisk

Yea, that's what they did with Blizzard's Battle Net service. Made a Linux
server, had to reverse engineer the protocol. It was deemed illegal because
it "stole" profits by allowing people to play without paying for Battle Net.
I'd see the same thing here: Allowing PSTN termination without paying Skype.

As far as the encryption keys, that won't be an issue. The keys have to be
on each client somehow. So as long as we imitate their client well enough
it'll work.

As for trying some tricks ala MSN protocols, the same thing would happen:
They can't constantly upgrade their protocol (unless they have some kind of
micro-protocol-update inside their client) since that'd break their
installed base. Even if they had an updater, I doubt they'd make often
drastic changes, since that'd decrease the stability of their platform.

At any rate, whoever is going to lead this project, please email me (or
setup a site where we can coordinate).

-Michael

-----Original Message-----
From: asterisk-dev-bounces at lists.digium.com
[mailto:asterisk-dev-bounces at lists.digium.com] On Behalf Of Florian Overkamp
Sent: Monday, October 18, 2004 10:59 AM
To: Asterisk Developers Mailing List
Subject: Re: [Asterisk-Dev] A crazy idea... Skype channel in Asterisk

Hi,


On Mon, 2004-10-18 at 18:12, James Sharp wrote:
> The Skype protocol is proprietary.  If you build chan_skype and they 
> get wind of it, you're looking at getting slapped with a DMCA 
> cease-and-desist order so fast it'll make your head spin.

Uhm, I'm not in the USA, but if I remember all this correctly, the DMCA
explicitly allows reverse engineering with the purpose to create an
original work in order to achieve interoperability. I think that would
pretty much allow it, unless patent-law is broken.

Then again, IANAL.

Florian

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