I really like the idea of 4s newcom's free redirection from VoIP to mobile phones. Wherever you are, even outside Wifi, your cell phone rings when someone calls one of your VoIP numbers. It's a free call forward over GSM, making use of flat-rate cell phone tariffs.
Software suite integrates PBX functionality with prepaid system
Berlin-based 4S newcom has introduced its latest product range for fixed, mobile converged VoIP. The software suite, 4S FMCd, is designed to integrate PBX functionality with a carrier-grade prepaid system to offer high-level IP Centrex functionality to mobile users.....
http://www.ictworld.co.za/EditorialE...torialID=28420