voice-grade lines 中文意思是什麼
voice-grade lines
解釋
話音級線路-
Interface between carriers and customer installations - analog voice grade switched access lines using loop - start and ground - start signaling
電信公司和客戶安裝之間的介面，使用環路起始和地起始信令的模擬話音級交換訪問線路。 -
Telecommunications - interface between carriers and customer installations - analog voice grade switched access lines using loop - start and ground - start signaling with line - side answer supervision feature
電信.載體和用戶裝置間的介面.帶邊線應答性能的環路啟動和接地啟動信令的模擬音頻轉換訪問線路 -
Isdn is used on digital lines as well as on voice - grade lines
整合服務數位網路在數位線路上被使用就如同在聲音等級的線路上。 -
Voice - grade lines
話音級線路
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