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3CX Comparison Table

 

FREE Edition

Commercial Editions

Extensions & Calls
Number of Extensions

Unlimited

Unlimited

Number of Simultaneous Calls

Up to 4

4 to 256


 

FREE Edition

Commercial Editions

General Phone System Features

Personal Call History
Call Logging
Call Reporting
Blind Call Transfer
Attended Call Transfer
Call Forward on Busy
Call Forward on No Answer
Call Routing (DID)
Caller ID
Conference Calling
Auto Attendant / Digital Receptionist
Voice Mail
Music on Hold
Ring Groups
Hunt Groups
Call Parking  
Call Pickup  
Call Queueing  
Call Recording  
Dial by Name  
MWI - Message Waiting Indicator  
BLF Status Updates  
Conference Rooms  
Intercom  
Paging  
Central Phonebook  
Management and Scaleability
Web-based management console
Real Time Web-based System Status
Integrated Web Server
Automated Restore and Backup
Firewall Friendly Configuration of External Extensions via Tunnel
Microsoft Windows Server 2003 Certified
Integrated Enterprise Database (PostgreSQL)
Ability to Run as Windows 2008 Virtual Machine
Ability to Run as VmwareVirtual Machine
Supports Windows Clustering
Phone Provisioning  
Allow Users to Configure their Own Extension Settings  
Unified Communications and Mobility
Receive Voice Mail via Email
Integrate Branch Offices with 3CX Bridge
Public SIP ID for Extensions
3CX Tunnel for Easy Remote Connections
Standards-based Presence Information  
Integrated Fax Server  
Receive Faxes via Email as PDF  
Send Faxes from Anywhere on the Network  
Myphone Self-Service User Portal  
3CX VOIP Client
Compact Windows System Tray Applet
Tunnel all VOIP Traffic over a Single Port
Place Calls
Transfer Calls
Shows Incoming Calls
Shows Caller ID
Shows Personal Call History
Divert Calls to Voice Mail  
TAPI Driver for Integration with Microsoft Outlook  
Queue Monitoring  
Shows Status of Other Extensions  
Run as Presence Monitor in Combination with Deskphone  
3rd Party Application Integration
Microsoft Outlook  
Salesforce Integration  
HTTP API to Integrate with any Web CRM  
Microsoft Exchange 2007 UM  
Microsoft Fax Services  
SIP Standards Support
Fully Supports RFC 3261
SIP Forking
Establish Standards-based SIP Trunks with other SIP Servers  
Devices and Providers
Supports SIP Hardware Phones
Supports SIP Software Phones
Supports Leading SIP / VOIP Gateways
Supports Popular SIP /VOIP Providers
SIP Trunking Support
Create Free Communication Links to other 3CX Systems  
Create Free Communication Links to other SIP Servers  
Codecs (Voice Compression)
G711 (a law and u law)
GSM
Speex
Ilbc
G729 *1  
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