[Asterisk-video] best software versions fro video projects?

[Koen Van Impe]

Klaus,

I don't use a SIP phone.
I'm working with a Dilithium 3G gateway and some other system that provides
video content (and speaks amr).
AMR supporting SIP phones are indeed hard to find, especially in OSS,
because of licensing restrictions.

For the record, I know there's a licensing issue with amr that needs to be
handled.
It's also the main reason why this codec is not in the asterisk package
(yet).
But in my opinion, since VoiceAge provides an amr implementation for free to
be used in research and development (http://www.voiceage.com/freecodecs.php),
we could at least try to make it work in asterisk.

For those who are wondering, here are the licensing terms for amr-nb:
http://www.voiceage.com/amr_licterms.php
I guess the biggest problem is the initial fee of $6.500. Or am I missing
something else?

Have to go ... we'll get on with this later

Ciao,

Koen




On 7/26/07, Klaus Darilion <klaus.mailinglists at pernau.at> wrote:
>
>
>
> Koen Van Impe wrote:
> > Hi Matteo,
> >
> > I recognize all your questions.
> > I've been playing with asterisk for over a year now, but only needed
> video
> > and AMR support since a few months.
> >
> > Have tried to implement the amr codec as described by Paul (
> > http://lists.digium.com/pipermail/asterisk-dev/2007-March/026446.html)
> > All compiles well, but I don't get it to transcode. AMR in pass through
> > does
> > work with this patch.
>
> Hi Koen!
>
> Which SIP client do you use? Or asked in another way - which SIP client
> does support AMR?
>
> > Does your implementation of AMR on version 1.4.9 work? Does it transcode
> to
> > g711 for instance?
> > If so, could you maybe make a patch of this (using 'svn diff')?
> >
> > And there's also the issue of H263-2000 (aka H263++). As it is, *
> doesn't
> > understand this codec in your sdp's.
> > Would it be a lot of work to add this? Even only in pass through?
> >
> > Looking forward to putting our experience together...
>
> me too
>
> regards
> klaus
>
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