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.
unlimited local and long distance calling to anywhere in the US, Canada, China, Mexico City, and 35+ additional international destinations for one low monthly rate