"VoIP" is defined as in whole or in part based on IP protocol based on packet switching network transmit voice, fax and related business operations, therefore, in addition to voice business, VoIP may also include other forms of communication, such as text, data and multimedia, the IP telephone business is clearly listed in the "telecommunications business category" service form of the first kind of basic telecommunication business, IP telephone business in this particular Phone provided by the telephone network and IP network - Phone and PC - Phone telephone business, its business scope includes domestic long-distance IP telephone business and international long-distance IP telephone service, Internet Phone is sent via the public Internet voice of a special kind of IP Phone, mainly composed of some VoIP software or VoIP provider,
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