[asterisk-dev] AST_FRAME_DIGITAL

Klaus Darilion klaus.mailinglists at pernau.at
Fri Sep 14 13:16:20 CDT 2007


Matthew Fredrickson wrote:
> Tony Mountifield wrote:
>> In article <003201c7f596$e6827f80$800101df at VALINOR>,
>> Sergio Garcia Murillo <sergio.garcia at fontventa.com> wrote:
>>> Just cheking q931 bearer capability:
>>>
>>> pri debug span 1
>>> Bearer Capability (len= 3)
>>>  Ext: 1  Q.931 Std: 0  Info transfer capability:
>>>          Unrestricted digital information (8)
>>>  Ext: 1  Trans mode/rate: 64kbps, circuit-mode (16)
>>>  Ext: 1  User information layer 1: H223/H245 data (38)
>> Was one of the original posts in this thread suggesting that a frame
>> such as the above was being treated by Asterisk as G.711 speech?
>>
>> If so, surely that is wrong, and the frame/call should be rejected,
>> until such time as the proper handling is designed and implemented.
> 
> We do not reject by default, since there was a time (I'm not sure if it 
> still works since I can't test it directly) that zap-to-zap bridges 
> could pass through video, data, etc without a problem.  So, this is not 

Vanilla Asterisk 1.4 copies transfer capability from incoming to 
outgoing call but user information layer 1 is lost.

regards
klaus


> "wrong", it's just that it won't work very well outside the context of 
> chan_zap.
> 




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