Softswitch - Class 4 and Class 5 Softswitches

Class 4 and Class 5 Softswitches

VoIP Softswitches are subdivided into two classes. Class 4 softswitches and Class 5 softswitches.

Softswitches used for transit VoIP traffic between carriers are usually called class 4 softswitches. Analogous with other Class 4 telephone switches, the main function of the class 4 softswitch is the routing of large volumes of long distance VoIP calls. The most important characteristics of class 4 softswitch are protocol support and conversion, transcoding, calls per second rate, average time of one call routing, number of concurrent calls.

Class 5 softswitches are intended for work with end-users. These softswitches are both for local and long distance telephony services. Class 5 softswitches are characterized by additional services for end-users and corporate clients such as IP PBX features, call center services, calling card platform, types of authorization, and other features similar to other Class 5 telephone switches.