GSM 04.91-1996
Digital Cellular Telecommunications System (Phase 2+); Explicit Call Transfer (ECT) Supplementary Service - Stage 3 (Version 5.1.0)

Standard No.

GSM 04.91-1996

Release Date

1996

Published By

ETSI - European Telecommunications Standards Institute

Status

Be replaced 1997-07

Replace By

GSM 04.91-1997

Latest

GSM 04.91-1997

GSM 04.91-1996 history

• 1997 GSM 04.91-1997 See ETS 300 958; Version 5.1.2
• 1996 GSM 04.91-1996 Digital Cellular Telecommunications System (Phase 2+); Explicit Call Transfer (ECT) Supplementary Service - Stage 3 (Version 5.1.0)