Instructions for the international telephone service
Subtitle: text in accordance with the decisions of the fifth, sixth, and seventh plenary assemblies of the CCITT.
Contributors: International Telegraph and Telephone Consultative Committee.; International Telecommunication Union.
Publisher: International Telecommunication Union
Published: 1981
Place of publication: Geneva
Language: eng
Number of pages: 112
Subjects: Telephone -- Operators' manuals.
Other titles: Instructions, telephone service.
Notes: Spine title: Instructions, telephone service.
Includes index.