“Although it’s easy to think of Asterisk as just another VoIP server, that couldn’t be further from the truth. Asterisk is an extremly flexible communications platform that can serve as a VoIP Signaling Server, a Media Gateway (allows IP telephony to interface with analog phones, fax machines, or PSTN lines), a traditional analog or TDM-based PBX phone system, voice mail, IVR, Unified Messaging, and too many other things to list!”