TS 100 531-2000 Digital Cellular Telecommunications System (Phase 2+); Discontinuous Reception (DRX) in the GSM System (GSM 03.13 Version 8.0.0 Release 1999)
ETSI - European Telecommunications Standards Institute
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TS 100 531-2000
TS 100 531-2000 history
2000TS 100 531-2000 Digital Cellular Telecommunications System (Phase 2+); Discontinuous Reception (DRX) in the GSM System (GSM 03.13 Version 8.0.0 Release 1999)
1999TS 100 531-1999 Digital Cellular Telecommunications System (Phase 2+); Discontinuous Reception (DRX) in the GSM System (GSM 03.13 Version 6.0.0 Release 1997)