Multiple function telephone comprising internet phone gateway and normal telephone and its communication method

摘要

An integrated multifunction telephone and communication method is disclosed that includes Internet phone, landline and gateway functions. In the multi-function telephone having the functions of Internet phone, landline and gateway: Codec unit 11 for processing voice compression and restoration, A / D conversion, D / A conversion, G.711 PCM conversion, volume control, analog switch function ; It supports the functions of the ITU-T standards G.721, G.722, G.723.1, G.728, G.729, handles DTMF encoding / decoding, volume control, voice detection, noise control, voice compression and A digital signal processor 12 having a recovery function; A key input unit 14 for processing data input; A display unit 15 for processing text and graphic output in order to provide advertisements according to information and user characteristics previously requested by a user; MAC units 16 and 17, which are a plurality of Ethernet units that handle the connection between the Internet and the PC 20; A DAA unit 19 for processing a connection with a general telephone; And an MCU section 13 in which control software is installed in the ROM to perform and control the telephone transmission / reception algorithm for Internet communication network connection and voice communication. Therefore, by using the Internet phone, a general phone, and a multi-function phone with a gateway function, the phone cost can be reduced by using an Internet phone without a PC, and a display unit can be used to provide user-specific information and internet advertisements.