Call Features
- Automated Attendant
- Blind & Supervised Transfer
- Call Detail Records
- Call Forward (Busy/No Answer/Variable)
- Call Monitoring & Recording
- Call Parking & Queuing
- Call Retrieval & Routing
- Caller ID & Blocking
- Conference Bridging
- Dial by Name Directory
- Do Not Disturb
- E911 Support
- Fax Transmit & Receive
- Interactive Voice Response (IVR)
- Music On Hold / Transfer
- Predictive Dialer
- Three-way Calling
- Voicemail to Email
- SMS Messaging
VoIP Protocols
- SIP (Session Initiation Protocol)
- H.323
- IAX™ (Inter-Asterisk eXchange)
- MGCP
- SCCP (Cisco® Skinny®)
- Google Talk / Jingle
Codecs
- G.711 (A-Law & μ-Law)
- G.722 / G.722.1
- G.726
- G.729a
- GSM / iLBC
- Speex / ADPCM
Scalability
- TDMoE (Time Division Multiplex over Ethernet)
- Zero latency direct PBX connection
- Voice-over-IP multi-office integration
- Unified dialplan across locations
- Commodity Ethernet hardware support