The requirements described in the present document are mandatory for implementation in all GSM MSs and BSSs capable of supporting the Adaptive Multi-Rate speech traffic channel@ unless otherwise stated. Unless otherwise specified@ references to GSM include GSM at any frequency band.
TS 101 709-2001 history
2005TS 101 709-2005 Digital Cellular Telecommunications System (Phase 2+); Link Adaptation (3GPP TS 05.09 Version 8.6.0 Release 1999)
2001TS 101 709-2001 Digital Cellular Telecommunications System (Phase 2+); Link Adaptation (3GPP TS 05.09 Version 7.6.0 Release 1998)
2000TS 101 709-2000 Digital Cellular Telecommunications System (Phase 2+); Link Adaptation (GSM 05.09 Version 8.1.0 Released 1999)