I NTERNATIONAL T ELECOMMUNICATION
U NION
Telecommunication Standardization Bureau
Geneva, 29 October 1999
Ref:
Tel:
Fax:
TSB Circular 223
COM 9/FC
+41 22 730 5896
+41 22 730 5853
- To the Administrations of Member States
of the Union
Copy:
- To ITU-T Sector Members;
- To the Chairperson and Vice-Chairpersons
of Study Group 9;
- To the Director of the Telecommunication
Development Bureau;
- To the Director of the Radiocommunication Bureau

Subject: Approval of three revised and seven new ITU-T
Recommendations
Dear Sir/Madam,
1
Further to TSB Circular 194 of 7 June 1999 I hereby inform you that 15 Member States
participating in the last meeting of Study Group 9, approved the text of three draft revised and
seven new ITU-T Recommendations during its Plenary sessions held on 16 and 17 September
1999.
2
Annex 1 gives you the titles of the approved texts of these revised or new ITU-T
Recommendations.
3
Available patent information can be accessed on-line via the ITU-T Website.
4
The texts of these Recommendations will be published by the ITU as soon as possible.
5
Draft new Recommendations J.116 and J.142 which were announced for approval in
Circular 194 had substantial modifications made to them. They were redetermined at the 13-17
September meeting of Study Group 9.
Yours faithfully,
H. Zhao
Director of the Telecommunication
Standardization Bureau
Annex: 1
Place des Nations
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2
ANNEX 1
(to TSB Circular 223)
ITU-T Recommendations approved at the Plenary sessions of Study Group 9
(Geneva, 16 and 17 September 1999)
1.
Revised Recommendation J.1
Terms, definitions and acronyms applicable to the transmission of television and soundprogramme signals and of related data signals
2.
Revised Recommendation J.2
Guidelines on the use of some ITU-T Recommendations in the J-series
3.
New Recommendation J.88
Transmission of enhanced definition television signals over digital links
4.
New Recommendation J.89
Transport Mechanism for component-coded digital television signals using MPEG-2
4:2:2P@ML including all service elements for contribution and primary distribution
5.
New Recommendation J.95
Copy protection of intellectual property for content delivered on cable television systems
6.
New Recommendation J.114
Interaction channel using digital enhanced cordless telecommunications
7.
New Recommendation J.115
Interaction channel using the global system for mobile communications
8.
New Recommendation J.117
Home Digital Network Interface Specification
9.
New Recommendation J.141
Performance indicators for data services delivered over digital cable television systems
10.
Amendment 1 to Recommendation J.150
Additions to Recommendation J.150 to also encompass local multipoint distribution
systems (LMDS)
________