Features: Free edition vs Commercial editions
| General Phone System Features |
| Call Logging |
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| Call Reporting |
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| Blind Call Transfer |
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| Attended Call Transfer |
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| Call Forward on Busy |
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| Call Forward on No Answer |
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| Call Routing (DID) |
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| Caller ID |
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| Conference Calling |
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| Auto Attendant / Digital Receptionist |
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| Voice Mail |
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| Music on Hold |
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| Ring Groups |
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| Hunt Groups |
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| Central Phonebook |
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| Call Parking | |
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| Call Pickup | |
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| Call Queueing | |
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| Call Recording | |
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| Dial by Name |
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| MWI - Message Waiting Indicator |
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| BLF Status Updates | |
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| Conference Rooms | |
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| Intercom | |
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| Paging | |
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| Management and Scaleability |
| Web-based management console |
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| Configuration wizard |
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| Real Time Web-based System Status |
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| Integrated Web Server |
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| Automated Restore and Backup |
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| Firewall Friendly Configuration of External Extensions via Tunnel |
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| Microsoft Windows Server 2003 Certified |
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| Integrated Enterprise Database (PostgreSQL) |
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| Ability to Run as Windows 2008 Virtual Machine |
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| Ability to Run as VmwareVirtual Machine |
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| Supports Windows Clustering |
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| Automatic Phone Provisioning |
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| Allow Users to Configure their Own Extension Settings |
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| Unified Communications and Mobility |
| Myphone Self-Service User Portal |
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| Receive Voice Mail via Email |
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| Public SIP ID for Extensions |
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| 3CX Tunnel for Easy Remote Connections |
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| Advanced forwarding rules based on caller ID, time & type of call |
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| Integrate Branch Offices with 3CX Bridge |
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| Standards-based Presence Information |
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| Integrated Fax Server |
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| Receive Faxes via Email as PDF |
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| Send Faxes from Anywhere on the Network |
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| 3CX VOIP Client |
| Compact Windows System Tray Applet |
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| Tunnel all VOIP Traffic over a Single Port |
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| Place Calls |
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| Transfer Calls |
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| Shows Incoming Calls |
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| Shows Caller ID |
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| Shows Personal Call History |
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| Divert Calls to Voice Mail |
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| TAPI Driver for Integration with Microsoft Outlook |
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| Queue Monitoring |
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| Shows Status of Other Extensions |
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| Run as Presence Monitor in Combination with Deskphone |
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| 3rd Party Application Integration |
| Microsoft Outlook |
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| Salesforce Integration |
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| HTTP API to Integrate with any Web CRM |
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| Microsoft Exchange 2007 UM |
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| Microsoft Fax Services |
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| SIP Standards Support |
| Fully Supports RFC 3261 |
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| SIP Forking |
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| Establish Standards-based SIP Trunks with other SIP Servers |
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| Devices and Providers |
| Supports SIP Hardware Phones |
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| Supports SIP Software Phones |
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| Supports Leading SIP / VOIP Gateways |
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| Supports Sangoma cards |
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| Supports Popular SIP /VOIP Providers |
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| SIP Trunking Support |
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| Create Free Communication Links to other 3CX Systems |
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| Create Free Communication Links to other SIP Servers |
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| Codecs (Voice Compression) |
| G711 (a law and u law) |
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| GSM |
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| Speex |
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| Ilbc |
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| G729 *1 |
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| Customer Service and Support |
| Wiki |
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| Community Forums (no 3CX Support) |
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| Email Support *2 |
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| Live Chat Support*3 |
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| 3CX Partner Forum (only for 3CX Resellers) |
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| 3CX Partner Support Portal (only for 3CX Resellers) |
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1. The Mini Edition includes two G729 channels, the Small Business Edition includes 4 sim G729 calls, The Pro Editions 8 and the Enterprise Editions 16
2. Requires a support package 3. Requires a support package
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