ITU-T M.560
INTERNATIONAL TELEPHONE CIRCUITS - PRINCIPLES, DEFINITIONS AND RELATIVE TRANSMISSION LEVELS
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| Organization: | ITU-T |
| Publication Date: | 1 November 1988 |
| Status: | active |
| Page Count: | 4 |
Document History
ITU-T M.560
November 1, 1988
INTERNATIONAL TELEPHONE CIRCUITS - PRINCIPLES, DEFINITIONS AND RELATIVE TRANSMISSION LEVELS
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