Asterisk is the world’s most popular open source telephony engine. AsteriskExchange™ is the online marketplace for products built on or integrated with Asterisk.
Real Time Communication
Approved Contact puts you in control of your communications. You control who communicates and when they communicate with you. Approved Contact automatically syncs open dates and times to facilitate secure cross-company discussions with trusted business and personal contacts.It’s the perfect personal gatekeeper for those of us who don't have one.