LST ETS 300 580-3 Leid.1-2007 European digital cellular telecommunications system (Phase 2);Substitution and muting of lost frames for full rate speech channels (GSM 06.11)
2007LST ETS 300 580-3 Leid.1-2007 European digital cellular telecommunications system (Phase 2);Substitution and muting of lost frames for full rate speech channels (GSM 06.11)