ITU-T - Q.40
Transmission Plan - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements
inactive, Most Current
| Organization: | ITU-T |
| Publication Date: | 1 January 1989 |
| Status: | inactive |
| Page Count: | 5 |
Document History
Q.40
January 1, 1989
Transmission Plan - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements
A description is not available for this item.