Please select and order

€30.00

excl. VAT

CONFIGURE NOW

Technische Regel

ETS 300179

Issue date: 1992 10

Integrated Services Digital Network (ISDN) - Advice Of Charge: charging information during the call (AOC-D) supplementary service - Service description

Withdrawn : 2022 02 01

Publisher:

European Telecommunications Standards Institute

Format:

Paper | 17 Pages

Language:

English