Integrated Services Digital Network (ISDN) - Selective Call Forwarding (SCF) supplementary services (unconditional, busy and no reply) - Service description
STANDARD published on 1.11.1999
Designation standards: ČSN EN 301133-V1.1.1
Classification mark: 873619
Catalog number: 57021
Publication date standards: 1.11.1999
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN