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.
B2VOIP.de is a secure ISP-PBX VoIP solution to business level in ISDN quality that can be integrated easily into any voice infrastructure and is provided here on a stable high-capacity communications platform.