1996ETSI GSM 07.02-1996 Digital Cellular Telecommunications System (Phase 2+); Terminal Adaptation Functions (TAF) for Services Using Asynchronous Bearer Capabilities
1995ETSI GSM 07.02-1995 Digital Cellular Telecommunications System (Phase 2+); Terminal Adaptation Functions (TAF) for Services Using Asynchronous Bearer Capabilities (GSM 07.02)
1994ETSI GSM 07.02-1994 European Digital Cellular Telecommunications System (Phase 2); Terminal Adaptation Functions (TAF) for Services Using Asynchronous Bearer Capabilities (ETS 300 583 Version 4.5.1)