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ETSI TS 100 939
- Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface signalling layer 3; General aspects (GSM 04.07 version 7.3.0 Release 1998)
- standard by European Telecommunications Standards Institute, 12/01/1999
- Publisher: ETSI
$39.00$78.50
SUBJECT Addition of CTS features