| FREE Edition | Commercial Editions |
| Licensing | | |
| Price | Free | From R3,7501 |
| Extensions | Unlimited | Unlimited |
| Number of simultaneous calls supported | 4 | 4->2562 |
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| General Phone System Features | | |
| 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 | • | • |
| Central Phonebook | • | • |
| Call Parking | | • |
| Call Pickup | | • |
| Call Queueing | | • |
| Call Recording | | • |
| Dial by Name | | • |
| MWI - Message Waiting Indicator | | • |
| BLF Status Updates | | • |
| Conference Rooms | | • |
| Intercom | | • |
| Paging | | • |
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| Management and Scaleability | | |
| Web-based management console | • | • |
| Configuration wizard | • | • |
| 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 | • | • |
| Automatic Phone Provisioning | • | • |
| Allow Users to Configure their Own Extension Settings | • | • |
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| Unified Communications and Mobility | | |
| Myphone Self-Service User Portal | • | • |
| Receive Voice Mail via Email | • | • |
| Public SIP ID for Extensions | • | • |
| 3CX Tunnel for Easy Remote Connections | • | • |
| Advanced forwarding rules based on caller ID, time & type of call | • | • |
| Integrate Branch Offices with 3CX Bridge | | • |
| Standards-based Presence Information | | • |
| Integrated Fax Server | | • |
| Receive Faxes via Email as PDF | | • |
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| 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 | | • |
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| 3rd Party Application Integration | | |
| Microsoft Outlook | | • |
| Salesforce Integration | | • |
| HTTP API to Integrate with any Web CRM | | • |
| Microsoft Exchange 2007 UM | | • |
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| 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 Sangoma cards | • | • |
| Supports Popular SIP /VOIP Providers | • | • |
| SIP Trunking Support | • | • |
| Create Free Communication Links to other 3CX Systems | | • |
| Create Free Communication Links to other SIP Servers | | • |
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| Codecs (Voice Compression) | | |
| G711 (a law and u law) | • | • |
| GSM | • | • |
| Speex | • | • |
| Ilbc | • | • |
| G729 | | • |