Power Machines (OpenScape 4000 (HiPath 4000))

The corporate telephone network is under construction on solutions of Siemens: we use automatic telephone exchange of Siemens HiPath long ago. The core of a telephone network of Power Machines is organized at telephone exchange of HiPath 4000, and points of carrying out are implemented in the form of IP access points. In the nearest future we will complete integration of a corporate telephone network with affiliated enterprises in Kaluga and Taganrog: we install special gateways to have an opportunity to make intra network calls between the cities of our presence by short numbers.

source: http://www.comnews.ru/node/80826