[Asterisk-video] h264 with Polycom HDX series

Loïc loic.latreille at ovh.net
Thu Feb 11 05:25:30 CST 2010


Thank you very much Joe. It works !



Loic



Le Thu, 11 Feb 2010 01:03:32 +0100, Joseph Baltes <jbaltes at radvision.com>  
a écrit:

> Hi,
>
> I found this same issue with all H.264 devices in the 1.4.x. The problem  
> is
> that the main branch (correct term?) of Asterisk isn¹t supporting FMTP  
> for
> the RTP payload in H.264. This is used to declare the H.264  
> profiles/levels
> and other options in the call SDP, and without it, the SIP device hears
> strange voices about H.264, is confused, and does nothing ;-)
>
> Follow this old thread
> (http://www.mail-archive.com/asterisk-video@lists.digium.com/msg00101.html),
> it¹s worked well for me using Polycom PVX and other SIP H.264 devices.
>
> Regards,
>
> Joe Baltes
> RADVISION, Inc.
>
>
> On 2/10/10 6:05 PM, "Borja SIXTO" <borja.sixto at i6net.com> wrote:
>
>> Have you try the echo test with each phone ?
>>
>>
>> Le 10/02/2010 18:47, Loïc a écrit :
>>> > Hi,
>>> >
>>> > I'm trying to use Asterisk 1.4.29 to connect two Polycom HDX in High
>>> > Definition h264 format with SIP.
>>> > When I use h263 , no problem. However, when I try to use h264 I can  
>>> not
>>> > have the video streams. The communication is well established : I  
>>> have a
>>> > G711 audio stream but no video.
>>> >
>>> > If I use a SIP h264 videophone with a Polycom HDX, the Polycom well
>>> > receives the video stream but no video on the SIP videophone.
>>> >
>>> > Any ideas what is the problem ?
>>> >
>>> > sip.conf
>>> > [general]
>>> > context=default
>>> > bindport=5060
>>> > bindaddr=0.0.0.0
>>> > srvlookup=yes
>>> > notifymimetype=text/plain
>>> > videosupport=yes
>>> > maxcallbitrate=1920
>>> > nat=no
>>> > canreinvite=no
>>> >
>>> > [100]
>>> > type=friend
>>> > username=100
>>> > secret=XXX
>>> > host=dynamic
>>> > context=default
>>> > callerid=XXX<100>
>>> > disallow=all
>>> > allow=ulaw
>>> > allow=alaw
>>> > allow=h264
>>> > qualify=yes
>>> >
>>> >
>>> > [200]
>>> > type=friend
>>> > username=200
>>> > secret=XXX
>>> > host=dynamic
>>> > context=default
>>> > callerid=XXX<200>
>>> > disallow=all
>>> > allow=ulaw
>>> > allow=alaw
>>> > allow=h264
>>> > qualify=yes
>>> >
>>> >
>>> > Thanks in advance...
>>> >
>>> >
>>> > Loïc
>>> >
>>> >
>>
>> --
>> Borja Sixto, Research&  Innovation - http://www.i6net.com
>> Office: +34 911877477 | Gtalk: bsixto at gmail.com | Skype: borja.sixto
>>
>>
>> --
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>


-- 
Loïc



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