ITU-T - I.256.1
Credit Card Calling - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 1 pp
inactive, Most Current
| Organization: | ITU-T |
| Publication Date: | 1 January 1988 |
| Status: | inactive |
| Page Count: | 1 |
Document History
I.256.1
January 1, 1988
Credit Card Calling - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 1 pp
A description is not available for this item.