ITU-T E.181
Customer Recognition of Foreign Tones - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 2 pp
inactive
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| Organization: | ITU-T |
| Publication Date: | 1 November 1988 |
| Status: | inactive |
| Page Count: | 2 |
Document History
January 1, 1993
Customer Recognition of Foreign Tones
A description is not available for this item.
ITU-T E.181
November 1, 1988
Customer Recognition of Foreign Tones - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 2 pp
A description is not available for this item.