SIP-addressing is logical, of the same type as URL in HTTP. And the most natural – to use the electronic mail as the SIP address. There are permissible varied parameters by the address: for example, it is possible to indicate the regular city telephone number, additional telephone, and the parameters of modem connection etc.
Company Alphatalk Communications (HongKong) is created in 2001. The basic purpose of the company - development of a perspective direction of transfer of the traffic between Russia and the countries of the Asian region.