Re: [codec] #5: Mention in requirements, FAX?

Christian, 

I'd agree that testing fax should be out of scope.  

Lots of reasons why, but I won't get into that here.  

James

-----Original Message-----
From: codec-bounces@ietf.org [mailto:codec-bounces@ietf.org] On Behalf Of Christian Hoene
Sent: Friday, April 02, 2010 10:21 AM
To: codec@ietf.org
Subject: Re: [codec] #5: Mention in requirements, FAX?

Hi guys,

just for the notes. Testing Fax (http://en.wikipedia.org/wiki/Fax#History) is definitely out of scope?

Christian

---------------------------------------------------------------
Dr.-Ing. Christian Hoene
Interactive Communication Systems (ICS), University of Tübingen 
Sand 13, 72076 Tübingen, Germany, Phone +49 7071 2970532 
http://www.net.uni-tuebingen.de/

>-----Original Message-----
>From: codec-bounces@ietf.org [mailto:codec-bounces@ietf.org] On Behalf Of Brian West
>Sent: Friday, April 02, 2010 4:10 PM
>To: stephen botzko
>Cc: codec@ietf.org
>Subject: Re: [codec] #5: Mention DTMF in requirements
>
>But Codecs themselves do not detect DTMF.  Thats the job of the DTMF detector.  NOT the codec.  In all
>my work with codecs I have not once seen one that knows anything about DTMF.  And if the codec is too
>lossy inband is out of the question.
>
>/b
>
>On Apr 2, 2010, at 9:01 AM, stephen botzko wrote:
>
>> I heard no decision as to DTMF tone encoding.
>>
>> As far as I am concerned, the question of whether the codec MUST encode DTMF tones accurately enough
>to be detected at the decoder output (or SHOULD or non-requirement) is still open.
>>
>> That question clearly is in-scope, and has nothing to do with signaling.
>>
>> Stephen Botzko
>
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