ITU-T E.181
Customer Recognition of Foreign Tones
active, Most Current
Buy Now
| Organization: | ITU-T |
| Publication Date: | 1 January 1993 |
| Status: | active |
| Page Count: | 3 |
Document History
ITU-T E.181
January 1, 1993
Customer Recognition of Foreign Tones
A description is not available for this item.
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.