Siemens Enterprise OpenStage 40 SIP IP-phone is a great solution for people working in the permanent place. This model features a large display and easy setup of various protocols such as TDM, HFA and SIP.
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.