GSM 02.91-1997
Digital Cellular Telecommunications System (Phase 2+); Explicit Call Transfer (ECT) (Version 5.1.1)

Standard No.

GSM 02.91-1997

Release Date

1997

Published By

ETSI - European Telecommunications Standards Institute

Status

Be replaced 1999-04

Replace By

GSM 02.91-1999

Latest

GSM 02.91-1999

GSM 02.91-1997 history

• 1999 GSM 02.91-1999 See TS 101 630 V6.0.0 (Version 6.0.0 Release 1997)
• 1997 GSM 02.91-1997 Digital Cellular Telecommunications System (Phase 2+); Explicit Call Transfer (ECT) (Version 5.1.1)
• 1996 GSM 02.91-1996 Digital Cellular Telecommunications System (Phase 2+); Explicit Call Transfer (ECT) (Version 5.0.1)
• 1995 GSM 02.91-1995 Digital Cellular Telecommunications System (Phase 2+); Explicit Call Transfer (ECT) (GSM 02.91)