[asterisk-dev] AST_FRAME_DIGITAL

[Klaus Darilion]

>>> klaus
>>>
>> Have you considered CLEARMODE as defined in RFC 4040?
>> I found a pcap sample in Wireshark wikipedia:
>>
>>     A sample of H.223 running over RTP, following negotiation over SIP.
>>     http://wiki.wireshark.org/SampleCaptures
> 
> 
> By the way... very interesting.. 
> 
> H.223
> h223-over-iax.pcap.gz (libpcap) A sample of H.223 running over IAX.
> h223-over-tcp.pcap.gz (libpcap) A sample of H.223 running over TCP. You'll need to select 'Decode as... H.223'.
> h223-over-rtp.pcap.gz (libpcap) A sample of H.223 running over RTP, following negotiation over SIP.

indeed - this is very interesting. I wonder how wireshark knows that the 
CLEARMODE payload is H.223? Is there somewhere an indication or it it 
just hardcoded in the wireshark decoder?

Thus, we could start the discussion again - wouldn't it better to go 
with AST_FORMAT_CLEARMODE