FreePBX

FreePBX is an open source management utility for Asterisk, which is a PBX (Private Branch Exchange). The free GUI debuted in 2004 under the name of AMP (Asterisk Management Portal) but later changed its name to FreePBX.

FreePBX is a completely web-based PBX solution that is easily customizable for any businesses looking for a way to manage communications – the open source utility is able to be compiled in the cloud (web-based storage) or on-site.

According to FreePBX, their platform is the most widely used Open Source PBX in the world that offers the ability to build powerful and easy-to-use solutions for communications.

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Call Forwarding
Caller ID
Cellular Telecommunications and Internet Association (CTIA)
CNAM
Common Alerting Protocol (CAP)
Common Short Code Administration (CSCA)
Connected Call Length
Do Not Call (DNC)
DTMF
FreePBX
Interactive Voice Response (IVR)
Long Code
Multimedia Messaging Service (MMS)
Opt-In
Opt-Out
Phone RSVP System
Phone Script
Phone-In System
Plain Old Telephone Service (POTS)
Predictive Dialer
Private Branch Exchange (PBX)
Push Notification
Push-To-Repeat
Push-To-Talk
SaaS
Session Initiation Protocol (SIP)
Short Message Service (SMS)
Simple Mail Transfer Protocol (SMTP)
SMS Gateway
STIR/SHAKEN
Telephone Chain
Telephone Polling
Text Message Forwarding
Text Message Marketing
Text-To-Speech (TTS)
Vanity Phone Number
Voice Over Internet Protocol (VoIP)

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