Pages tagged twilio:

OpenVBX: the Web-based, Open Source Phone System for Business
http://www.openvbx.org/

OpenVBX allows developers to build voice and SMS applications for business, such as toll free phone numbers, call forwarding, voicemail, visual voicemail, voicemail transcriptions, and auto-attendants. It's like Google Voice, but open source and for business.
: the Web-based, Open Source Phone System for Business