SWITCHING APPARATUS USING THE IP PHONE COMBINED PSTN PHONE

摘要

One switching equipment is arranged to significantly decrease following cost for making a user be able to use general phone as IP. One switching equipment includes an input equipment (10), a call transceiver unit (20), a packet, unit of analysis (30), a controller (40), a PSTN units (50), an internet unit (60) and an output equipment (70). Input equipment includes a PSTN (11), an Internet space port (12) and a power supply unit (13). Call transceiver unit includes that a PSTN connectors (21), a bridgt circuit (22), hook sensing and ring form part (23) and a hook state relay (24). The packet of unit of analysis receives Internet data by the Internet ports or voice data is come in and then additional data is to a head. Controller is felt, controls and analyzes loop control, on-hook/off-hook sensing, ring, the Internet data of unit of analysis and come in from the voice data of call transceiver unit and packet.