IP PBX
Aria IP PBX is Asterisk based solution which offers rich and flexible feature set.It offers both classical PBX functionality and advanced features, and interoperates with traditional standards-based telephony systems and Voice over IP systems. Aria's Asterisk offers the advanced features that are often associated with large, high end (and high cost) proprietary PBXs
Call features
Predictive Dialer
Privacy
Open Settlement Protocol (OSP)
Overhead Paging
Protocol Conversion
Remote Call Pickup
Remote Office Support
Roaming Extensions
Route by Caller ID
SMS Messaging
Spell / Say
Streaming Media Access
Supervised Transfer
Talk Detection
Text-to-Speech (via Festival)
Three-way Calling
Time and Date
Transcoding
Trunking
VoIP Gateways
Voicemail:
Visual Indicator for Message Waiting
Stutter Dialtone for Message Waiting
Voicemail to email
Voicemail Groups
Web Voicemail Interface