Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 2, Fasc. 2,2 International telephone service. Operation ... |
1981 |
Vol. 2, Fasc. 2,2 |
Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 2, Fasc. 2,4 Telegraph and telematic services, operations and tariffs |
1981 |
Vol. 2, Fasc. 2,4 |
Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 4, Fasc. 4,1 Maintenance : general principles, international carrier systems, international telephone circuits |
1981 |
Vol. 4, Fasc. 4,1 |
Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 3, Fasc. 3,4 Line transmission of non-telephone signals. Transmission of sound-programme and television signals ... |
1981 |
Vol. 3, Fasc. 3,4 |
Data communication networks. Services and facilities, terminal equipment and interfaces ... |
1981 |
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Data communication networks. Transmission, signalling and switching, network aspects, maintenance, administrative arrangements ... |
1981 |
|
General characteristics of international telephone connections and circuits ... |
1981 |
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Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 2, Fasc. 2,3 International telephone service. Network management, traffic engineering ... |
1981 |
Vol. 2, Fasc. 2,3 |
Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 3, Fasc. 3,2 International analogue carrier systems. Transmission media - characteristics |
1981 |
Vol. 3, Fasc. 3,2 |
Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 3, Fasc. 3,3 Digital networks. Transmission systems and multiplexing equipment ... |
1981 |
Vol. 3, Fasc. 3,3 |
Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 4, Fasc. 4,2 Maintenance : international voice-frequency telegraphy and facsimile, international leased circuits ... |
1981 |
Vol. 4, Fasc. 4,2 |
Specifications of measuring equipment : recommendations of the O series |
1981 |
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Telephone transmission quality : recommendations of the P series |
1981 |
|
General recommendations on telephone switching and signalling. Interface with the maritime service |
1981 |
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Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 6, Fasc. 6,2 Specifications of signalling systems No. 4 and 5 |
1981 |
Vol. 6, Fasc. 6,2 |
Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 6, Fasc. 6,3 Specifications of signalling system No. 6 |
1981 |
Vol. 6, Fasc. 6,3 |
Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 6, Fasc. 6,5 Digital transit exchanges for national and international applications. Interworking of signalling systems ... |
1981 |
Vol. 6, Fasc. 6,5 |
Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 6, Fasc. 6,6 Specifications of signalling system No. 7 ... |
1981 |
Vol. 6, Fasc. 6,6 |
Data communication over the telephone network : recommendations of the V series |
1981 |
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Yellow book, VIIth plenary assembly / International Telecommunication Union, CCITT, the International Telegraph and Telephone Consultative Committee Vol. 6, Fasc. 6,4 Specifications of signalling systems R1 and R2 |
1981 |
Vol. 6, Fasc. 6,4 |