SSH ETS 300 956:1997 ed.1

Sistemi i telekomunikacionit dixhital celular; Shërbimet shtesë të Bllokimit të Thirrjeve (CB); Faza 3 (GSM 04.88 versioni 5.0.1)

Digital cellular telecommunications system; Call Barring (CB) supplementary services; Stage 3 (GSM 04.88 version 5.0.1)

Scope

This European Telecommunication Standard (ETS) specifies the procedures used at the radio interface (reference point Um as defined in GSM 04.02) for normal operation, registration, erasure, activation, deactivation, invocation and interrogation of call barring supplementary services. Provision and withdrawal of supplementary services is an administrative matter between the mobile subscriber and the service provider and cause no signalling on the radio interface.