にほんご
IPPBX電話システム
分類： ユーティリティトンネルシステム 発売時期： 2022-05-19 Pageviews：16413
IP PBX is a system with an IP connection based on TCP/IP protocol, PBX is a switch that implements communication internal line, and IP PBX transmits IP signal in PBX to realize an integrated communication system. Through the telecommunication network and the Internet, IP PBX can provide users with multiple communication methods such as voice, fax, data, and video with only a single device.
前：
光ファイバー電話システム
次：
なし
