ese studies the CCIR is generally required to between Plenary Assemblies. avoid addressing economic questions, except where technical op- The task of the CCITT is vast and almost doubles with every tions are being compared. To some extent this emphasis on technical Plenary. The 1980 issue of the recommendations occupied 6000 rather than commercial considerations has resulted in the CCIR pages; the 1984 issue was in 11000 pages; whilst the 1988 issue runs being more academic in its approach than its sister organisation, the to almost 20000 pages. CCITT. Because of the problems of producing standards in a timely CCIR's main responsibility are: fashion the CCITT, at its 1988 IXth Plenary held in Melbourne, Australia, agreed an accelerated procedure for the issue of stand- 1. The development of technical bases for the international shar- ards. Recommendations are now adopted as soon as they have ing and management of the frequency spectrum and geostation- stabilised, rather than needing full ratification by the Plenary As- ary satellite orbit resources. Standards adopted CCITT Figure 22.5 Comparison of standards produced by the CCITT and the CCIR 22/10 Telecommunication standards Table 22.3 CCITT Blue Books. (Continued on next page.) Fascicle Recommendations Study group Title Minutes and reports of the Plenary Assembly. Opinions and resolutions. C and A Recommendations on the organisation and working procedures of the CCITT and general telecommunication statistics. List of study groups and questions under study. Terms and definitions. Abbreviations and acronyms. Index of the Blue Book. General tariff principles - charging and accounting in international services. E.100-E333 Telephone network and ISDN - operation numbering routing and mobile service. E.401-E.880 Telephone network and ISDN - quality of service network management and traffic engineering. F.1-F.140 Telegraph and mobile services - operations and quality of service. F.160-F.353; Telematic data transmission and teleconference services - operations and F.600