ETSI EN 300 957 PDF

Published Date: 01/01/2000

Digital cellular telecommunications system (Phase 2+) (GSM); Unstructured Supplementary Service Data (USSD); Stage 3 (GSM 04.90 version 7.0.1 Release 1998)

Published Date: 09/01/1999

Digital cellular telecommunications system (Phase 2+) (GSM); Unstructured Supplementary Service Data (USSD); Stage 3 (GSM 04.90 version 6.0.1 Release 1997)

Published Date: 08/01/1999

Digital cellular telecommunications system (Phase 2+) (GSM); Advice of Charge (AoC) Supplementary Services - Stage 1 (GSM 02.86 version 7.0.0 Release 1998)

Published Date: 06/01/2018

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Mobile Execution Environment (MExE); Functional description; Stage 2 (3GPP TS 23.057 version 15.0.0 Release 15)

Published Date: 08/01/2020

Digital cellular telecommunications system (Phase 2+) (GSM); GSM Public Land Mobile Network (PLMN) connection types (3GPP TS 43.010 version 16.0.0 Release 16)

Published Date: 07/01/2020

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Call Deflection (CD) supplementary service; Stage 3 (3GPP TS 24.072 version 16.0.0 Release 16)

Published Date: 05/01/1997

Published Date: 12/01/1998

Published Date: 10/01/1999

Published Date: 08/01/1999

Published Date: 01/01/1999

Published Date: 01/01/1999