With the development of IP and broadband, many emerging telecoms operators and the lack of a compound network operators have through VOIP voice service to provide users with low-cost, however due to the rapid growth of the broadband users and decline in the price of the traditional voice business, simply use IP to provide users with voice has been more and more cannot satisfy the demand of the market, so the use of IP video communication is an important business, also is the trend of The Times of VOIP,
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