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Home : ITU-T Home : Study Period 2001-2004
List of Recommendations and Supplements deleted during the Study Period

Rec. Title Date of deletion
G.681 Functional characteristics of interoffice and long-haul line systems using optical amplifiers, including optical multiplexing 31 January 2002
G.958 Digital line systems based on the synchronous digital hierarchy for use on optical fibre cables 31 January 2002
G.167 Acoustic echo controllers 16 February 2004

Supplement Title Date of deletion
G Suppl. 6
Example showing how the total value of line noise specified for the hypothetical reference circuit on open-wire lines might be broken down into its various components 9 February 2001
(SG 15, Geneva)
G Suppl. 9
Roll effect in coaxial pair systems 9 February 2001
(SG 15, Geneva)
G Suppl. 13
Noise at the terminals of the battery supply 10 May 2002
(SG 15, Geneva)
G Suppl. 18
Information on submarine cables used in deep water 9 February 2001
(SG 15, Geneva)


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Updated : 2004-10-21