Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BSC-BTS) interface; Layer 3 specification (3GPP TS 48.058 version 4.1.0 Release 4)
Digital cellular telecommunications system (Phase 2+) (GSM); Base Station Controller - Base Transceiver Station (BSC - BTS) Interface; Layer 3 specification (3GPP TS 48.058 version 16.0.0 Release 16)
Digital cellular telecommunications system (Phase 2+) (GSM); Base Station Controller - Base Transceiver Station (BSC - BTS) Interface; Layer 3 specification (3GPP TS 48.058 version 15.0.0 Release 15)
Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BSC-BTS) interface; Layer 3 specification (3GPP TS 48.058 version 14.0.0 Release 14)
Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BSC - BTS) Interface; Layer 3 specification (3GPP TS 48.058 version 12.0.0 Release 12)
Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BSC - BTS) Interface; Layer 3 specification (3GPP TS 48.058 version 11.0.0 Release 11)
Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BSC-BTS) Interface; Layer 3 specification (3GPP TS 48.058 version 10.0.0 Release 10)
Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BSC-BTS) Interface; Layer 3 specification (3GPP TS 48.058 version 9.0.0 Release 9)
Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BCS-BTS) Interface Layer 3 Specification (3GPP TS 48.058 version 8.0.0 Release 8)
Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BCS-BTS) Interface Layer 3 Specification (3GPP TS 48.058 version 7.0.0 Release 7)
Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BCS-BTS) Interface Layer 3 Specification (3GPP TS 48.058 version 6.2.0 Release 6)
Digital cellular telecommunications system (Phase 2+); Base Station Controler - Base Transceiver Station (BCS-BTS) Interface Layer 3 Specification (3GPP TS 48.058 version 5.6.0 Release 5)
Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BSC-BTS) interface; Layer 3 specification (3GPP TS 48.058 version 4.1.0 Release 4)
Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station (BSC - BTS) interface; Layer 3 specification (3GPP TS 48.058 version 4.0.0 Release 4)
Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Advice of Charge (AoC) supplementary services [ISO/IEC 15049 (1997), modified]; Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification