飞速发展的信息社会需要便捷的通信,然而高昂的通信费用却使人们只能“望价兴叹”。近年出现的IP电话给大家带来了福音:它以价廉的优势挑战传统电话业务,它将成为目前全球通信业的热点。IP电话(Internet Protocol Phone,简称IP Phone)是因特网协议电话的简称,它是利用Internet实现双方语音传输的工具,因此又称互联网电话或网络电话。由于IP电话是在Internet网上实现的话 The fast-growing information society needs easy communications, yet the high cost of communications leaves one with “hopelessness.” IP telephony that has appeared in recent years has brought the gospel to everyone: It challenges the traditional telephone business with the advantage of cheapness, it will become the hot point of global communication industry at present. Internet Protocol Phone (IP Phone) is an abbreviation of Internet Protocol Telephone. It is a tool that uses the Internet to implement voice transmission between both parties. It is also called Internet Phone or Internet Phone. Since IP phones are implemented on the Internet