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RE: [ipcdn] IETF NCS Sig MIB Tone Table
Title: Message
Motorola agrees the
alternative tone table structure suggested by Randy Presuhn is a satsifactory solution for
simplifying the existing tone table definition. It also provides the flexibility
for accomodating the missing functionality in this international MIB for
handling embedded cadences and amplitude modulation for the international customers using the IETF
signaling MIB.
The comment on Japan does not make sense to me.
It should be noted the amplitude modulation example proposed for Japan
was generalized as there may be other operators that require the flexibility for
amplitude modulated tones.
Gordon
Subject: RE: [ipcdn] IETF NCS Sig MIB Tone Table
From: "Eugene Nechamkin" <enechamkin at
broadcom.com>
Date: Tue, 11 Jan 2005 18:07:01 -0800
Cc: ipcdn at
ietf.org
We believe the tone generation capabilities are getting overly
complicated for the added benefit they are providing. Operators need to be able
to easily fill these out and we may be getting into a situation where we create
more problems than solutions.
In addition, we believe the interpretation of E.180 below in the examples
may not be correct. (In the Japan case, f1 is not modulated by f2, it is
modulated by 16Hz).
This needs to be reconsidered further to
find an alternative which
provides the necessary functionality in a less complicated way. As the
solution does not seem to be obvious, some time for further dicussions is
needed to come up with the reasonable approach.
Eugene.
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