Re: [codec] #5: Mention DTMF in requirements
"Raymond (Juin-Hwey) Chen" <rchen@broadcom.com> Sat, 03 April 2010 01:12 UTC
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From: "Raymond (Juin-Hwey) Chen" <rchen@broadcom.com>
To: James Rafferty <James.Rafferty@dialogic.com>, stephen botzko <stephen.botzko@gmail.com>, Christian Hoene <hoene@uni-tuebingen.de>
Date: Fri, 02 Apr 2010 18:05:59 -0700
Thread-Topic: [codec] #5: Mention DTMF in requirements
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Cc: "codec@ietf.org" <codec@ietf.org>
Subject: Re: [codec] #5: Mention DTMF in requirements
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+1 Raymond From: codec-bounces@ietf.org [mailto:codec-bounces@ietf.org] On Behalf Of James Rafferty Sent: Friday, April 02, 2010 11:48 AM To: stephen botzko; Christian Hoene Cc: codec@ietf.org Subject: Re: [codec] #5: Mention DTMF in requirements +1 James Rafferty From: codec-bounces@ietf.org [mailto:codec-bounces@ietf.org] On Behalf Of stephen botzko Sent: Friday, April 02, 2010 2:18 PM To: Christian Hoene Cc: codec@ietf.org Subject: Re: [codec] #5: Mention DTMF in requirements I am fine with your suggestions. Stephen Botzko On Fri, Apr 2, 2010 at 1:34 PM, Christian Hoene <hoene@uni-tuebingen.de<mailto:hoene@uni-tuebingen.de>> wrote: Hi Stephan, Comments inline: --------------------------------------------------------------- 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/ From: stephen botzko [mailto:stephen.botzko@gmail.com<mailto:stephen.botzko@gmail.com>] Sent: Friday, April 02, 2010 4:50 PM To: Christian Hoene Cc: Michael Knappe; stpeter@stpeter.im<mailto:stpeter@stpeter.im>; codec@ietf.org<mailto:codec@ietf.org> Subject: Re: [codec] #5: Mention DTMF in requirements (a) "MUST NOT" means that it must fail. Perhaps you meant "need not" or "might not"? CH: Yes, I meant need not (or the German "muss nicht") (b) SHOULD is commonly used in establishing requirements, and it certainly was used in MARTINI and other working groups at IETF77 in requirements presentations with no confusion. It has a clear meaning in the requirements context (desirable but not essential) and I see no reason to avoid its use at this phase. There will certainly be other things that are "nice to have", and it is appropriate to track them and consider them in the selection/standardization process. CH: Better? "The codec SHOULD support the transmission DTMF at most transmission conditions." I agree that language about DTMF might not need to be in the final RFC. Though if DTMF quality is known to be inadequate, it probably makes sense to tell people that. CH: Agreed. The limits of the codec shall be clearly stated. I also agree to the obvious comment that DTMF detection methods are out of scope. CH: Agreed. CH: Isn't time to include the MUST requirement for DTMF testing and SHOULD requirement for transmission support into the requirements document. Then, we could close issue #5 and continue with other things. Christian
- [codec] #5: Mention DTMF in requirements codec issue tracker
- Re: [codec] #5: Mention DTMF in requirements codec issue tracker
- Re: [codec] #5: Mention DTMF in requirements Christian Hoene
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention DTMF in requirements Michael Knappe
- Re: [codec] #5: Mention DTMF in requirements, Tes… Christian Hoene
- Re: [codec] #5: Mention DTMF in requirements Marc Petit-Huguenin
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention DTMF in requirements Marc Petit-Huguenin
- Re: [codec] #5: Mention DTMF in requirements, Tes… Wyss, Felix
- Re: [codec] #5: Mention DTMF in requirements, Tes… Steve Underwood
- Re: [codec] #5: Mention DTMF in requirements Steve Underwood
- Re: [codec] #5: Mention DTMF in requirements James Rafferty
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention DTMF in requirements Peter Saint-Andre
- Re: [codec] #5: Mention DTMF in requirements James Rafferty
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention DTMF in requirements Brian West
- Re: [codec] #5: Mention DTMF in requirements Brian West
- Re: [codec] #5: Mention DTMF in requirements Brian West
- Re: [codec] #5: Mention DTMF in requirements Brian West
- Re: [codec] #5: Mention DTMF in requirements Michael Knappe
- Re: [codec] #5: Mention in requirements, FAX? Christian Hoene
- Re: [codec] #5: Mention in requirements, FAX? James Rafferty
- Re: [codec] #5: Mention DTMF in requirements Christian Hoene
- Re: [codec] #5: Mention in requirements, FAX? Marc Petit-Huguenin
- Re: [codec] #5: Mention in requirements, FAX? Michael Knappe
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention in requirements, FAX? stephen botzko
- Re: [codec] #5: Mention in requirements, FAX? Michael Knappe
- Re: [codec] #5: Mention DTMF in requirements Christian Hoene
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention DTMF in requirements James Rafferty
- Re: [codec] #5: Mention DTMF in requirements Raymond (Juin-Hwey) Chen
- Re: [codec] #5: Mention DTMF in requirements Roman Shpount
- Re: [codec] #5: Mention DTMF in requirements Marc Petit-Huguenin
- Re: [codec] #5: Mention DTMF in requirements Wyss, Felix
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention DTMF in requirements Roman Shpount
- Re: [codec] #5: Mention DTMF in requirements Roman Shpount
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention DTMF in requirements Marc Petit-Huguenin
- Re: [codec] #5: Mention DTMF in requirements Raymond (Juin-Hwey) Chen
- Re: [codec] #5: Mention DTMF in requirements Brian West
- Re: [codec] #5: Mention DTMF in requirements Raymond (Juin-Hwey) Chen
- Re: [codec] #5: Mention DTMF in requirements Raymond (Juin-Hwey) Chen
- Re: [codec] #5: Mention DTMF in requirements Raymond (Juin-Hwey) Chen
- Re: [codec] #5: Mention DTMF in requirements Raymond (Juin-Hwey) Chen
- Re: [codec] #5: Mention DTMF in requirements Roman Shpount
- Re: [codec] #5: Mention DTMF in requirements Benjamin M. Schwartz
- Re: [codec] #5: Mention DTMF in requirements Roman Shpount
- Re: [codec] #5: Mention DTMF in requirements Peter Saint-Andre
- Re: [codec] #5: Mention DTMF in requirements codec issue tracker
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention DTMF in requirements Raymond (Juin-Hwey) Chen
- Re: [codec] #5: Mention DTMF in requirements Kevin P. Fleming
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention DTMF in requirements Koen Vos
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention DTMF in requirements Wyss, Felix
- Re: [codec] #5: Mention DTMF in requirements stephen botzko
- Re: [codec] #5: Mention DTMF in requirements Michael Knappe
- Re: [codec] #5: Mention DTMF in requirements codec issue tracker