[Freeswitch-users] ooH323 vs mod_h323

[Michael Collins]

How intense are their patches? The reason I ask is that while a blind C&P
of their patches into the recent version would most likely result in a GPL
violation, looking at what the code does and mimicking the functionality
with new code most certainly would not result in a violation. (GPL covers
"derivation" but not "inspiration" as it were. It's the whole copyright
"idea" vs. "expression" dichotomy...)

Anyway, I was just curious what's involved. Possibly other interested
parties would be in a position to help out.

-MC


On Wed, Feb 13, 2013 at 12:06 PM, Steven Ayre <steveayre at gmail.com> wrote:

> Indeed comparing the COPYING files, the Asterisk one lacks the FLOSS
> exception. So that version isn't usable, and neither is copying their
> patches into the 0.9.4 version since they'd be GPL-only.
>
> So while 0.9.4 would be usable, it'd lack some useful functionality (Q.931
> causes are just the one I spotted from a 5 minute glance through the API).
>
> -Steve
>
>
>
>
> On 13 February 2013 12:27, Steven Ayre <steveayre at gmail.com> wrote:
>
>> I was just looking at this library to play with the idea of writing a
>> mod_ooh323c. It looks like the library may have forked away from the
>> version used in Asterisk though?
>>
>> The latest version on the website (
>> http://www.obj-sys.com/telephony-objective.shtml) is 0.9.4, but cannot
>> hangup with a Q.931 hangup cause. The CVS repository (
>> sourceforge.net/projects/ooh323c) doesn't seem up-to-date since that's
>> only holding 0.9.0.
>>
>> The version in asterisk has been patched to add a q931cause parameter to
>> ooHangCall so it can - but it seems to be based off 'v0.8.3m' and I don't
>> know if that's before the FLOSS exception was added.
>>
>> So does anyone more familiar with the library know whether the repository
>> had been moved elsewhere, or whether there's a more recent version
>> somewhere else, and whether the one bundled in Asterisk would be usable?
>>
>> -Steve
>>
>>
>>
>>
>> On 5 July 2010 15:28, Brian West <brian at freeswitch.org> wrote:
>>
>>> It has a FLOSS exception in the GPL license.
>>>
>>> /b
>>>
>>> On Jul 2, 2010, at 9:36 PM, Steve Underwood wrote:
>>>
>>> > On 07/03/2010 04:28 AM, Brian West wrote:
>>> >> DOH... btw ooh323 is now license compatible with FreeSWITCH if anyone
>>> wants to write one.
>>> >>
>>> >> /b
>>> >>
>>> > Where did you see that? The current ooh323c tarball still says GPL 2.
>>> >
>>> > Steve
>>>
>>>
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>>
>>
>
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-- 
Michael S Collins
Twitter: @mercutioviz
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