voicegrade

常见例句

In a telephone system, a term applied to any nondata transmission that makes use of voicegrade lines.
適用於利用音頻段線路的任何非數據傳輸業務。
VGDF? VoiceGrade Data Facility?
語音頻段數據通信設備?
Telecommunications - Interface between carriers and costumer installations - Analog voicegrade switched access lines with distinctive alerting features
載躰和用戶裝置間的接口。帶有特殊報警功能的模擬聲音級交換選取線路
Telecommunications - Interface between carriers and customer installations - Analog voicegrade switched access lines using loop-start and ground-start signalling
遠程通信載躰與用戶裝置間接口-用於循環開始的接地開始信號發送的模擬音頻開關訪問線路
Telecommunications - Network to Customer Installation Interfaces - Analog Voicegrade Special Access Lines Using Customer-Installation-Provided Loop-Start Supervision
用戶設備接口網絡。裝有循環啓動監督的用戶設備用模擬音頻級專用存取線路
voicegrade device
話頻段通信設備