Sectors need to purchase the quantity needed for each member of the network telephone, whether installed in a network or the net outside, and then registered with the INTERNET on any same GK, at the same time give each network telephone distribution does not conflict with a telephone number (preferably set number into traditional telephone number) free calls between each branch can be realized, at the same time with the existing traditional telephone systems, saves the telecom costs, and will not have any influence on other telephone exchange, telephone network and GW installation is very simple, buyers need to do a few configuration, can work immediately, and using the method and the traditional telephone, is very convenient,
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