iLBC license issue

Lionel Elie Mamane lionel at mamane.lu
Sun Mar 19 10:00:16 UTC 2006


On Sat, Mar 18, 2006 at 01:32:02PM +0000, Daniel Pocock wrote:
> Jan Janak wrote:

>> kphone (and maybe other packages) contain iLBC (internet Low
>> Bitrate Codec) library. This library has been published as part of
>> RFC3951 by the IETF.

>> The copyright owner of that code is Global IP Sound and the license
>> of the code is not GPL compatible. The license requires that
>> derived work must be backwards compatible with the original
>> specification. This is more restrictive than GPL.

>> I am wondering whether the people on the list are aware of this ?
>> The copyright file in kphone package says that it is released under
>> the terms of GPL, but I wonder if this is true when iLBC is
>> included ? Shouldn't kphone be moved in non-free ?

Under the conditions you described, I'd think it is non-distributable
if it links to iLBC. iBLC would have to be _removed_.

>> http://www.ilbcfreeware.org/documentation/gips_iLBClicense.pdf

> Can iLBC be split into a separate package?

That wouldn't help for GPLed apps. They cannot link to
GPL-incompatible libs.

-- 
Lionel



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