Key Features

Full Featured Auto Attendant
Integrated VoIP Providers
Outlook Integration
Voicemail to Email
Database Integration
Music-on-Hold
Parking
Call Forwarding
Dial by name directory
Group Routing
Call Queuing
Caller ID
Powerful Reporting
Telecommuters
VoIP and PSTN Ready
Call Recording
Conference Bridging 
Unlimited Extensions
Much much more....

Telephone Services

Voicemail System
Password Protected
Separate Away and Unavailable Messages
Default or Custom Messages
Multiple Mail Folders
Web Interface for Voicemail Checking
E-mail notification of Voicemail
Voicemail Forwarding
Visual Message Waiting Indicator
Message Waiting Stutter Dialtone
Auto Attendant
Interactive Voice Response
Overhead Paging
Flexible Extension Logic
Direct Inward System Access
Directory Listing
Conference Bridging
Access Control
Call Queuing
Visual Notification of Voicemail
Call Detail Records
Local Call Agents
Remote Call Agents
Protocol Bridging
Provides seamless integration of technologies
Offers a unified set of services to users regardless of connection type
Allows interoperability of VoIP systems

Call Features

Music on Hold
Music on Transfer
Flexible mp3 based system
Volume Control
Call Waiting
Caller ID
Caller ID Blocking
Caller ID on Call Waiting
Call Forward on Busy
Call Forward on No Answer
Call Forward Variable
Call Parking
Call Pickup
Do Not Disturb

 

Scalability

TDMoE
Allows Direct Connection of Asterisk PBX
Offers Zero Latency
Uses Commodity Ethernet Hardware
Voice over IP
Allows for Integration of Physically Separate Installations
Uses commonly deployed data connections
Allows a unified dialplan across multiple offices

 

Voice Over IP Interoperability

Asterisk™ provides transparent bridging between Voice over IP protocols and traditional telephony equipment. In addition, Asterisk can transfer calls from one system to another via the Inter-Asterisk™ eXchange (IAX™) protocol.

Inter-Asterisk

H.323

™ eXchange (IAX™)

Session Initiation Protocol (SIP)

Media Gateway Control Protocol (MGCP)

Traditional Telephone Interoperability

Robbed Bit Signaling Types
FXS and FXO
Loopstart
Groundstart
Kewlstart
E&M
E&M Wink
Feature Group D
PRI Protocols
4ESS
Lucent 5E
DMS100
National ISDN2
EuroISDN
BRI (ISDN4Linux)

Codec Support

GSM
G.729 (available through purchase of commercial license(s))
G.723.1 (pass through)
Linear
Mu-Law
A-Law
ADPCM
G.726
ILBC
LPC-10
MP3 (decode only)