History of ITU Portal

[Pink Book (1927):] Comité Consultatif International des Communications Téléphoniques à Grande Distance: Questions Concerning the Protection of Telephone Circuits Against Corrosion Due to Electrolysis or to Chemical Action.

Proceedings of the XIth Plenary Meeting [of the CCIF]: Copenhagen, 11th-20th June, 1936.

Green Book (1956): Volume I bis: List of Delegates; Minutes of the meetings of the XVIIIth Plenary Assembly; Modifications: - to Volume I of the Green Book (Recommendations for letter and graphical symbols); - to Volumes V of the Green Book (Signalling and Switching); - to Volume VI of the Green Book (Operating Tariffs)

Green Book (1954): Volume I: List of Delegates; Minutes of the meetings of the XVIIth Plenary Assembly; Organisation of the CCIF; Recommendations covering letter and graphical symbols and systems of units; List of questions [...]; Membership of Study Groups, Committees and Sub-Committees [...]; and Chart Showing the Organisation of the CCIF

Yellow Book (1946): Volume I: List of Delegates; Minutes of the Meetings of the XIVth Plenary Assembly; Organisation Questions; Operating and Tariff Questions; List of Questions set for Study [...]; Composition of Committees of Reporters and Sub-Committees [...].

[Red Book:] Proceedings of the VIIIth CCIF Plenary Assembly (Paris, 1931)

[Yellow Book:] Proceedings of the VIIth CCIF Plenary Assembly (Brussels, 1930)

Red Book (1960): Volume II bis: Part I: Telephone Operation and Tariffs: Recommendations Series E and Questions Study Group II. Part II: Telegraph Operation and Tariffs: Recommendations Series F and Questions Study Group I. Part III: Questions Study Group III: General Tariff Principles and Costing – Lease of Circuits.

Red Book (1960): Volume III: Line Transmission and Protection: Recommendations: Series G – Telephone Transmission on Metallic Lines; Series H – Lines Used for Telegraphy or Data Transmission; Series J – Programme and Television Transmissions; Series K – Protection from Interference; Series L – Protection of Cable Sheaths and Poles; Annexes to Recommendations. Questions: Study Group XV (Transmission Systems); Study Group XVI (Telephone Circuits); Special Committee C (Circuit Noise); Study Group V (Protection from Interference); Study Group VI (Protection of Cable Sheaths and Poles).

Red Book (1960): Volume IV: Maintenance: Part 1 – Recommendations (Series M and N): Maintenance Instructions: Section 1 – General; Section 2 – Setting-up and Maintenance of International Carrier Systems; Section 3 – Setting-up and Maintenance of International Telephone Circuits; Section 4 – Maintenance of International Telephone Circuits Used for Telegraphy or Phototelegraphy; Section 5 – Lining-up and Maintenance of International Programme Transmissions; Section 6 – Lining-up and Maintenance of Long-Distance Television Transmissions. Part 2 – Questions: Study Group IV Questions. Part 3 – Documentary Part: Supplements to Maintenance Instructions.