[Asterisk-video] h263 blackholed.

Thu May 22 13:20:11 CDT 2008

I think there was an option in eyebean but cannot find it in xlite. 
Anyway, a probably obvious tip,
have you tried to open the video screen in xlite before dialing?

Best regards
Sergio

Miles Scruggs escribió:
> Do you know of a way to get eyebeam/xlite to announce codecs right out 
> the door?
>
>
> On May 21, 2008, at 2:26 PM, Sergio Garcia Murillo wrote:
>
>> Hi,
>>
>> Try adding videosupport=yes also to sip peers and if you're using 
>> Xlite set it to send the invite
>> with video at first and not re-invite latter with video offer (If i 
>> recall correctly from the pastebin).
>>
>> Best regards
>> Sergio
>>
>> Miles Scruggs escribió:
>>> Damn it looks like my pastebin has expired but we were only sending  
>>> one codec, the only thing that would make it fail was to send the  
>>> codec to asterisk after the call is setup.  If we setup the call with  
>>> h263 listed then it would work out of the door, but if the call was  
>>> setup without the codec, then a second invite came down the pipe to  
>>> asterisk with the new codec (h263) asterisk would pretend to  
>>> renegotiate but never passed h263.
>>>
>>> On May 21, 2008, at 2:00 PM, Borja Sixto wrote:
>>>
>>>   
>>>> Hi, the standard asterisk do not support cleanlly the sdp negociation.
>>>> Try setting only one video codec.
>>>>
>>>> Regards,
>>>>
>>>>
>>>> Tech from i6net
>>>>
>>>> ----- Message d'origine -----
>>>> De: Gunnar Hellstrom <gunnar.hellstrom at omnitor.se>
>>>> Env: mercredi 21 mai 2008 19:47
>>>> À: 'Development discussion of video media support in Asterisk' <asterisk-video at lists.digium.com 
>>>>     
>>>> Objet: Re: [Asterisk-video] h263 blackholed.
>>>>
>>>> You must use a late VIDCAPS to get any usable video support from  
>>>> Asterisk.
>>>> VIDCAPS adds important ability to handle SDP properly in the call  
>>>> setup.
>>>>
>>>> Gunnar
>>>>
>>>> -----Original Message-----
>>>> From: asterisk-video-bounces at lists.digium.com
>>>> [mailto:asterisk-video-bounces at lists.digium.com] On Behalf Of Miles  
>>>> Scruggs
>>>> Sent: Tuesday, May 20, 2008 11:37 PM
>>>> To: asterisk-video at lists.digium.com
>>>> Subject: [Asterisk-video] h263 blackholed.
>>>>
>>>> I'm trying to get asterisk to proxy h263 for a video call, but not  
>>>> having
>>>> any luck.  I have posted a full call trace here:
>>>>
>>>> http://pastebin.com/d330aecb5
>>>>
>>>> While watching a full packet dump on the asterisk node, I can see the
>>>> h263 coming in from the clients, but it never leaves (asterisk never
>>>> originates 1 h263 packet).  You can see on line 123 of the pastebin  
>>>> that the
>>>> calls get setup without video but then h263 is renegotiated on line  
>>>> 456.
>>>> The second end point sets up h263  on line 313.  I'm
>>>> pretty lost as to how I can get asterisk to play nice.  This is
>>>> Asterisk 1.4.18.1
>>>>
>>>> I just was able to test, and if the call sets up (the initial invite
>>>> contains) with h263, and isn't done with a re-invite at a later time  
>>>> then it
>>>> works fine.
>>>>
>>>> my sip conf looks like the following:
>>>>
>>>> [general]
>>>> type=friend
>>>> host=dynamic
>>>> context=incoming
>>>> srvlookup=yes
>>>> canreinvite=no
>>>> videosupport=yes
>>>> qualify=yes
>>>> nat=yes
>>>> host=dynamic            ; This device registers with us
>>>> disallow=all ;better for custom-tunning codec selection allow=ulaw
>>>> allow=alaw
>>>> allow=h263 ; H.263 is our video codec
>>>> allow=h263p ; H.263p is the enhanced video codec
>>>> dtmfmode=rfc2833 ; inband is not supported in compressed codecs like  
>>>> gsm, so
>>>> we better set it to rfc2833
>>>>
>>>>
>>>> [miles_8920_lap]
>>>> type=friend
>>>> host=dynamic
>>>> secret=*****
>>>> context=internal_devices        ; the internal_devices context
>>>> controls what we can do
>>>> mailbox=8920 at sixsquares
>>>> callerid= Miles Scruggs <8920>
>>>> canreinvite=no
>>>>
>>>> [jon_8926_desk]
>>>>
>>>> type=friend
>>>> host=dynamic
>>>> secret=*****
>>>> context=internal_devices
>>>> mailbox=8926 at sixsquares
>>>> callerid=Jonathan Larsen <8926>
>>>> canreinvite=no
>>>>
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>>>>
>>>>
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>>>
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>>
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