Posted: Tue Jul 11, 2006 4:49 am Post subject: [Asterisk-video] Asterisk as an MCU
On Tue, 2006-07-11 at 09:30 -0400, Curt Shaffer wrote:
Quote:
Can anyone point me in a good direction for solid documentation on
making Asterisk full functioning MCU?
AFAIK Asterisk cannot function as a MCU because it lacks video codecs.
It can only pass through video generated by other devices or from
specially formatted files.
looks like it does there unless I am missing something.
-----Original Message-----
From: asterisk-video-bounces@lists.digium.com
[mailto:asterisk-video-bounces@lists.digium.com] On Behalf Of Jeffrey C.
Ollie
Sent: Tuesday, July 11, 2006 9:50 AM
To: Development discussion of video media support in Asterisk
Subject: Re: [Asterisk-video] Asterisk as an MCU
On Tue, 2006-07-11 at 09:30 -0400, Curt Shaffer wrote:
Quote:
Can anyone point me in a good direction for solid documentation on
making Asterisk full functioning MCU?
AFAIK Asterisk cannot function as a MCU because it lacks video codecs.
It can only pass through video generated by other devices or from
specially formatted files.
looks like it does there unless I am missing something.
Yes, that page is extremely misleading. Asterisk does not include video
codecs. The video support that is mentioned on that page is pass
through only. That means that it cannot convert between video formats
(which would be required for MCU functionality).
Posted: Tue Jul 11, 2006 5:46 am Post subject: [Asterisk-video] Asterisk as an MCU
Thanks for the clarification. So if I want some functionality of an MCU I
could use Asterisk as long as the clients were talking the same (supported)
codec?
I have never had to build an MCU so I don't know much about them. What we
are looking for is video conferencing from workstations through a central
system with the ability to dial in from the PSTN and to do IP calls and
possibly include some sort of presence features. As far as I can see then
Asterisk can fit this bill or am I missing key functionality or performance
from not having full MCU capabilities?
Thanks
-----Original Message-----
From: asterisk-video-bounces@lists.digium.com
[mailto:asterisk-video-bounces@lists.digium.com] On Behalf Of Jeffrey C.
Ollie
Sent: Tuesday, July 11, 2006 10:41 AM
To: Development discussion of video media support in Asterisk
Subject: RE: [Asterisk-video] Asterisk as an MCU
On Tue, 2006-07-11 at 09:57 -0400, Curt Shaffer wrote:
looks like it does there unless I am missing something.
Yes, that page is extremely misleading. Asterisk does not include video
codecs. The video support that is mentioned on that page is pass
through only. That means that it cannot convert between video formats
(which would be required for MCU functionality).
Posted: Tue Jul 11, 2006 5:54 am Post subject: [Asterisk-video] Asterisk as an MCU
On Tue, 2006-07-11 at 10:46 -0400, Curt Shaffer wrote:
Quote:
Thanks for the clarification. So if I want some functionality of an MCU I
could use Asterisk as long as the clients were talking the same (supported)
codec?
I have never had to build an MCU so I don't know much about them. What we
are looking for is video conferencing from workstations through a central
system with the ability to dial in from the PSTN and to do IP calls and
possibly include some sort of presence features. As far as I can see then
Asterisk can fit this bill or am I missing key functionality or performance
from not having full MCU capabilities?
Full video MCU functionality would require mixing video streams which
Asterisk does not support at this time either. Mixing video streams
would imply decoding/encoding the streams, even if all of the endpoints
were using supported codecs.
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