ETSI TS 128 062
- Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Inband Tandem Free Operation (TFO) of Speech Codecs; Service Description; Stage 3 (3GPP TS 28.062 version 4.2.0 Release 4)
- standard by European Telecommunications Standards Institute, 12/01/2001
- Publisher: ETSI
$43.00$85.50
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