Sangoma B500 boards are designed for easy integration with open source projects, including Asterisk and FreeSWITCH, as well as other open source and IP PBX, Switch, IVR, and VoIP Gateway applications. B500 boards provide developers with new efficient solutions and cost effective connectivity.
Cheap International long distance phone to phone calling by 011Now offers you great rates from any phone in US and Canada. Save 90% on international long distance calls.