During last several years the Softswitch technology has been actively discussed. New and traditional operators, including the operators of the IP telephony, test Softswitch systems, considering them from the point of view of wide use in communication networks and at the same time improving the technical background for the implementation of such systems.
Citel PBXgateways are installed at the central PBX location, and EXTenders are deployed at branch offices, call centers, or at home offices over managed IP connections, DSL, cable, or analog circuits