On Sat, 2003-11-15 at 18:27, [EMAIL PROTECTED] wrote:
[...]
Asterisk. Regarding the GPL license, I'm sure we can work it out. I believe that what I'm planing will abide by it. We write app_TTS for
Asterisk that is full GPL, it is built with along with all the other
apps and doesn't require any non-GPL headers. app_TTS uses a simple protocol to communicate with any back-end TTS server that implements
that protocol. I write a non-GPL glue code / server wrapper for the TTS
engine, starting with Festival and Cepstral.
[..]
i was wondering why festival would need a "non-GPL glue code / server wrapper for the TTS engine" ? cepstral is commercial but isn't festival 'free for unrestricted use' according to it's license?
The problem is in the Asterisk licensing, where Digium prefers to have copyright on the Asterisk code base, and have two licensing schemes, one commercial and one GPL Open Source. They can't include GPL code in the commercial code base, nor can't they include commercial third-party code like Cepstral in the GPL version.
That's why only Digium can create commercial channels or applications as additions to Asterisk. And that's why the MySQL support was taken out of the Asterisk code base and moved to an add-on GPL module.
/Olle
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