Skype differs from other VoIP-systems by several factors:
Skype is very popular. During the first week in August of 2003, more than 60 thousand people downloaded the Skype-client. Today, Skype is available for the following operating systems: MS Windows, MacOS, IoS, PocketPC, Android and Linux.
R&R Telecom offers carrier-grade switch partition solutions for wholesale resellers since 2003. R&R switch partition service leverages Sonus Networks platform and provides powerful yet intuitive interface to control switch operations.