Features
Asterisk offers both classical Asterisk PBX functionality and advanced features, which interoperate with traditional standards-based telephony system, business VOIP systems and VOIP systems, and IP Phone systems.
Asterisk-based telephony solutions offer a rich and flexible feature set:
| On-Screen Menu System | Do Not Disturb |
| Alarm Receiver | Interactive Directory Listing |
| Append Message | Interactive Voice Response (IVR) |
| Authentication | Local and Remote Call Agents |
| Automated Attendant | Music On Hold/Music On Transfer |
| Blacklists | Predictive Dialing |
| Blind Transfer | Privacy |
| Call Detail Records | Remote Call Pickup/Remote Office Support |
| Call Forward on Busy/No Answer/Variable | Roaming Extensions |
| Call Monitoring | Route by Caller ID |
| Call Parking | SMS Messaging |
| Call Queuing | Spell / Say |
| Call Recording | Streaming Media Access |
| Call Retrieval | Supervised Transfer |
| Call Routing (DID & ANI) | Talk Detection |
| Call Snooping | Text-to-Speech |
| Call Transfer | Three-way Calling |
| Call Waiting | Time and Date |
| Caller ID/Caller ID Blocking/Caller ID on Call Waiting | Transcoding |
| Calling Cards | VoIP Gateways |
| Conference Bridging | Voicemail: |
| Database Store / Retrieve/Integration | Visual Indicator for Message Waiting |
| Dial by Name | Voicemail to email |
| Distinctive Ring | Voicemail to email |
| Distributed Universal Number Discovery | Web Voicemail Interface |