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Instructions for the International Telephone Service

image of Instructions for the International Telephone Service

These instructions include Recommendation ITU-T E.141 which was withdrawn on 20 March 2003 by Circular 156.

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Classes of call, priorities, special facilities

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Authors
International Telecommunication Union

24 Jul 2007

11 pages

http://handle.itu.int/11.1002/pub/800c8247-916967b5-en

Pages: 31 - 41

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