[Asterisk-Dev] Re: bug 4252 - increasing delay over time channels in MeetMe

[Tilghman Lesher]

On Sunday 13 November 2005 15:19, Matt Riddell wrote:
> alex at pilosoft.com wrote:
> > On Mon, 14 Nov 2005, Matt Riddell wrote:
> >>Tilghman Lesher wrote:
> >>>On Thursday 10 November 2005 03:38, Chih-Wei Huang wrote:
> >>>>Chih-Wei Huang wrote: BTW, my G.723.1 and G.729 codec are from
> >>>> Intel IPP library.
> >>>>
> >>>>I decided to file a report to Mantis:
> >>>>http://bugs.digium.com/view.php?id=5697 Hopefully it can be
> >>>> fixed before 1.2.0 release.
> >>>
> >>>Due to patent issues and the legal problems associated with
> >>>contributory patent infringement, we cannot do anything about
> >>> any problems you're having with the G.723.1 codec (at least
> >>> until the associated patents expire).
> >>
> >>Which is when?
> >>
> >>Do you really see them allowing the patents to expire?
> >
> > Patents expire whether you allow them or not. It is kinda tricky
> > for g.723.1 - there are lots of patents, filed in different
> > jurisdictions. Some of them in fact have expired already (2004).
> > I saw a statement that all of them will expire by end of 2006...
>
> Cool, so it's not like the statute of limitations where you can
> make changes and start the clock again?

The ITU would need to approve any such change to the standard.  Note
that G.723.1 is already a revision, though -- the patents on the
original G.723 codec have already expired.

> Any word on g729?

5,444,816 - expires September 9th, 2012

That would appear to be the last one, but again, IANAL.

-- 
Tilghman