所谓电子通信,就是把声音通信、图象通信和符号通信结合在一起,使声音、图象或符号转换成电信号,然后通过电话、电报、电视传真和数字通信等手段来完成的通信工作。当这种能把文字、图象的原迹传送给用户的传真设备出现之后,它很快与电话相结合,出现了传真电话(Facsimite Tetephone)。传真电话是利用普通有线电话通信线路进行传真传递信息的通信工具。其简单的工作程序是,当使用一方需要传递信息时,只要拨通对方的电话号码,然后把书写好的信纸等资料送进投信的“信口”,对方即可得到该资料的传真副本。传真电话的出现,深受用户的欢迎,因为它不仅可以快速、及时、准确的传送信息(一页稿纸一般只需15～20秒 The so-called electronic communication is the communication work that combines voice communications, image communications and symbolic communications to convert sounds, images or symbols into electrical signals and then make them through telephone, telegraph, television facsimile and digital communications. When this facsimile device, capable of sending the texts, images of the originals to the user, appeared quickly, it was combined with the phone and a Facsimite Tetephone appeared. Fax Telephone is the use of ordinary telephone line communication lines fax communication of information communication tools. Its simple working procedure is that when one party needs to transmit information, he / she can get a fax copy of the information by simply dialing the other party’s phone number and then sending the written message and other information to the “trust port” of the trust. The emergence of fax phones, welcomed by users, because it can not only fast, timely and accurate transmission of information (a manuscript paper generally only 15 ~ 20 seconds