ANSI T1.616-1992

Integrated Services Digital Network (ISDN) - Call Hold Supplementary Service
SDO:
CSA
Language:
English
ICS Codes:
33.040.40; 33.080; 33.040.20; 33.040.10; 33.040.30
Status:
Withdrawn
Publish date:
1990-12-31
Standard Number:
ANSI T1.616-1992