List of obsolete ITU-T Recommendations cancelled by the WTSC-93 This section gives the list of all obsolete Recommendations that have been cancelled by the WTSC-93 and that therefore don't appear any more in the main section of the Catalogue. Obsolete Recommendations that have not been formally cancelled by the corresponding study group are still listed in the main section of the Catalogue with the appropriate information concerning their status. D.6 (1988) General principles for the provision of international telecommunications facilities to organizations formed to meet the specialized international communication needs of their members *Blue Book Fasc. II.1 D.101 (1988) Charging in automatic international telephone service *Blue Book Fasc. II.1 D.195 (1988) Settlement of international telecommunication balances of accounts *Blue Book Fasc. II.1 E.119 (1988) Instruction of staff operating international positions *Blue Book Fasc. II.2 E.142 (1988) Time-to-answer by operators *Blue Book Fasc. II.2 E.143 (1988) Demand operating of international circuits *Blue Book Fasc. II.2 E.144 (1988) Advantages of semiautomatic international service *Blue Book Fasc. II.2 E.145 (1988) Advantages of international automatic service *Blue Book Fasc. II.2 E.146 (1988) Division of circuits into outgoing and incoming circuits *Blue Book Fasc. II.2 E.147 (1988) Manually operated international transit traffic *Blue Book Fasc. II.2 F.62 (1988) Duplex operation in the telex service *Blue Book Fasc. II.4 F.601 (1988) Service and operational principles for packet-switched public data networks *Blue Book Fasc. II.5 G.161 (1976) Echo-suppressors suitable for circuits having either short or long propagation times *Orange Book Fasc. III G.163 (1988) Call concentrating systems *Blue Book Fasc. III.1 G.234 (1976) 8-channel terminal equipments *Orange Book Fasc. III G.235 (1988) 16-channel terminal equipments *Blue Book Fasc. III.2 G.311 (1988) General characteristics of systems providing 12 carrier telephone circuits on an open-wire pair *Blue Book Fasc. III.2 G.312 (1988) Intermediate repeaters for open-wire carrier systems conforming to Recommendation G.311 *Blue Book Fasc. III.2 G.313 (1988) Open-wire lines for use with 12-channel carrier systems *Blue Book Fasc. III.2 G.314 (1976) General characteristics of systems providing eight carrier telephone circuits on an open-wire pair *Orange Book Fasc. III G.323 (1988) A typical transistorized system on symmetric cable pairs *Blue Book Fasc. III.2 G.324 (1976) General characteristics for valve-type systems on *symmetric cable pairs Orange Book Fasc. III G.326 (1988) Typical systems on symmetric cable pairs [(12 + 12) systems] *Blue Book Fasc. III.2 G.327 (1976) Valve-type systems offering 12 carrier telephone circuits on a symmetric cable pair [(12 + 12) systems] *Orange Book Fasc. III G.337 (1976) General characteristics of systems on 2.6/9.5 mm coaxial cable pairs *Orange Book Fasc. III G.338 (1976) 4 MHz valve-type systems on standardized 2.6/9.5 mm coaxial cable pairs *Orange Book Fasc. III G.339 (1976) 12 MHz valve-type systems on standardized 2.6/9.5 mm coaxial cable pairs *Orange Book Fasc. III G.356 (1980) (120 + 120) channel systems on a single coaxial pair *Yellow Book Fasc. III G.361 (1988) Systems providing three carrier telephone circuits on a pair of open-wire lines *Blue Book Fasc. III.2 G.371 (1988) FDM carrier systems for submarine cable *Blue Book Fasc. III.2 G.412 (1988) Terminal equipments of radio-relay systems forming part of a general telecommunication network *Blue Book Fasc. III.2 G.433 (1988) Hypothetical reference circuit for trans-horizon radio-relay systems for telephony using frequency-division multiplex *Blue Book Fasc. III.2 G.434 (1988) Hypothetical reference circuit for systems using analogue transmission in the fixed-satellite service *Blue Book Fasc. III.2 G.444 (1988) Allowable noise power in the hypothetical reference circuit of trans-horizon radio-relay systems for telephony using frequency-division multiplex *Blue Book Fasc. III.2 G.445 (1988) Allowable noise power in the hypothetical reference circuit for frequency-division multiplex telephony in the fixed-satellite service *Blue Book Fasc. III.2 G.453 (1988) Improved transmission system for HF radio-telephone circuits *Blue Book Fasc. III.2 G.464 (1988) Principles of the devices used to achieve privacy in radiotelephone conversations *Blue Book Fasc. III.2 G.471 (1988) Conditions necessary for interconnection of mobile radiotelephone stations and international telephone lines *Blue Book Fasc. III.2 G.541 (1976) Specification of factory lengths of loaded telecommunication cable *Orange Book Fasc. III G.542 (1976) Specification of loading coils for loaded telecommunication cables *Orange Book Fasc. III G.543 (1976) Specification for repeater sections of loaded telecommunication cable *Orange Book Fasc. III G.544 (1976) Specifications for terminal equipment and intermediate repeater stations *Orange Book Fasc. III G.641 (1988) Waveguide diameters *Blue Book Fasc. III.3 G.700 (1988) Framework of the series G.700, G.800 and G.900 Recommendations *Blue Book Fasc. III.4 G.771 (1988) Q-interfaces and associated protocols for transmission equipment in the TMN *Blue Book Fasc. III.4 G.956 (1988) Digital line systems based on the 2048 kbit/s hierarchy on optical fibre cables *Blue Book Fasc. III.5 I.110 (1988) Preamble and general structure of the I-Series Recommendations for the integrated services digital network (ISDN) *Blue Book Fasc. III.7 I.111 (1988) Relationship with other Recommendations relevant to ISDNs *Blue Book Fasc. III.7 I.326 (1988) Reference configuration for relative network resource requirements *Blue Book Fasc. III.8 J.22 (1984) Performance characteristics of 10 kHz type sound-programme circuits *Red Book Fasc. III.4 J.32 (1984) Characteristics of equipment and lines used for setting up 10 kHz type sound-programme circuits *Red Book Fasc. III.4 M.782 (1988) Maintenance of common channel Signalling System No. 7 *Blue Book Fasc. IV.1 FN: M.4100 O.25 (1988) Semiautomatic in-circuit echo suppressor testing system (ESTS) *Blue Book Fasc. IV.4 O.31 (1988) Automatic measuring equipment for sound-programme circuits *Blue Book Fasc. IV.4 O.32 (1988) Automatic measuring equipment for stereophonic pairs of sound-programme circuits *Blue Book Fasc. IV.4 O.51 (1988) Volume meters *Blue Book Fasc. IV.4 Q.10 (1988) Definitions relating to national and international numbering plans *Blue Book Fasc. VI.1 Q.11 bis (1988) Numbering plan for the ISDN era *Blue BookFasc. VI.1 Q.11 ter (1988) Timetable for coordinated implementation of the full capability of the numbering plan for the ISDN era (Recommendation E.164) *Blue Book Fasc. VI.1 Q.13 (1988) International telephone routing plan *Blue Book Fasc. VI.1 Q.15 (1988) Nominal mean power during the busy hour *Blue Book Fasc. VI.1 Q.16 (1988) Maximum permissible value for the absolute power level of a signalling pulse *Blue Book Fasc. VI.1 Q.36 (1988) Customer recognition of foreign tones *Blue Book Fasc. VI.1 Q.40 (1988) The transmission plan *Blue Book Fasc. VI.1 Q.41 (1988) Mean one-way propagation time *Blue Book Fasc. VI.1 Q.42 (1988) Stability and echo (echo suppressors) *Blue Book Fasc. VI.1 Q.43 (1988) Transmission losses, relative levels *Blue Book Fasc. VI.1 Q.49 (1988) Specification for the CCITT automatic transmission measuring and signalling testing equipment ATME No. 2 *Blue Book Fasc. VI.1 Q.791 (1988) Specifications of Signalling System No. 7 - Monitoring and measurements for Signalling System No. 7 networks *Blue Book Fasc. VI.9 Q.795 (1988) Specifications of Signalling System No. 7 - Operations, Maintenance and Administration Part (OMAP) *Blue Book Fasc. VI.9 U.82 (1988) International telex store and forward - Interconnection of telex store and forward units *Blue Book Fasc. VII.2 V.5 (1988) Standardization of data signalling rates for synchronous data transmission in the general switched telephone network *Blue Book Fasc. VIII.1 V.6 (1988) Standardization of data signalling rates for synchronous data transmission on leased telephone-type circuits *Blue Book Fasc. VIII.1 V.20 (1988) Parallel data transmission modems standardized for universal use in the general switched telephone network *Blue Book Fasc. VIII.1 V.35 (1988) Data transmission at 48 kbit/s using 60-108 kHz group band circuits *Blue Book Fasc. VIII.1 V.40 (1988) Error indication with electromechanical equipment *Blue Book Fasc. VIII.1 X.40 (1988) Standardization of frequency-shift modulated transmission systems for the provision of telegraph and data channels by frequency division of a group *Blue Book Fasc. VIII.3