
• Direct Inward System Access
• Distinctive Ring
• Do Not Disturb
• Fax Transmit and Receive
• Interactive Directory Listing
• Interactive Voice Response (IVR)
• Local and Remote Call Agents
• Music On Hold
• Overhead Paging
• Remote Call Pickup
• Remote Office Support
• Roaming Extensions
• Route By Caller ID
• SMS Messaging
• Spell / Say
• Supervised Transfer
• Talk Detection
• Text-to-Speech (via Festival)
• Three-way Calling
• Time and Date
• Voicemail Server
• Voicemail Groups
• Authentication
• Automated Attendant
• Blacklists
• Blind Transfer
• Call Detail Records
• Call Forward
• Call Monitor
• Call Parking
• Call Queuing
• Call Recording
• Call Retrieval
• Call Routing (DID & ANI)
• Call Snooping
• Call Transfer
• Call Waiting
• Caller ID Blocking
• Caller ID on Call Waiting
• Calling Cards
• Conference Bridging
• Database Integration
• Dial by Name
• Exchange/Outlook Integration
• ADPCM
• G.711 (A-Law & u-Lau)
• G.723.1 (pass through)
• G.726
• G.729*
• GSM
• iLBC
• Linear
• LPC-10
• Speex
• IAX
• H.323
• SIP
• MGCP
• SCCP
• 4ESS
• BRI (ISDN 4 Linux)
• DMS100
• EuroISDN
• Lucent 5E
• National ISDN2
• NFAS
• Multisite or Cluster
• Uses Existing Data LAN connection
• Unified dial plan across multiple offices
• Direct connection of Asterisk PBX
• Zero latency
• Uses commoditv Ethernet hardware
• E&M
• E&M Wink
• Feature Group D
• FXS
• FXO
• GR-303
• Loopstart
• Groundstart
• Kewlstart
• MF and DTMF