[Freeswitch-users] ooH323 vs mod_h323

[Steven Ayre]

The q931cause parameter gets added in this revision:
http://svnview.digium.com/svn/asterisk?view=revision&revision=227898

Which as you can see is rather a large commit - they fix a lot of other
issues too. q931cause alone means changing quite a lot of code though - 11
times in 6 different files, plus the modified functions that it appears
within. It means changing ooHangCall, the parameters for the command on the
stack, ooH323HangCall, storing q931cause on the call, and then setting it
during the actual hangup.

-Steve



On 14 February 2013 00:32, Michael Collins <msc at freeswitch.org> wrote:

> 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
> http://www.FreeSWITCH.org
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>
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