DS/ETS 300571 Ed.2
Digital cellular telecommunications system (Phase 2); Call Barring (CB) supplementary services - Stage 3 (GSM 04.88)
| Organization: | DS |
| Publication Date: | 27 November 2001 |
| Status: | active |
| ICS Code (Global System for Mobile Communication (GSM)): | 33.070.50 |
scope:
This ETS specifies the procedures used at the radio interface (reference point Um as defined in technical specification GSM 04.02) for normal operation, registration, erasure, activation, deactivation, invocation and interrogation of call offering 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.
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