ITU-T - Q.86
Charging Supplementary Services - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements (Study Group XI) 22 pp
inactive, Most Current
| Organization: | ITU-T |
| Publication Date: | 1 January 1989 |
| Status: | inactive |
| Page Count: | 34 |
Document History
Q.86
January 1, 1989
Charging Supplementary Services - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements (Study Group XI) 22 pp
A description is not available for this item.