Free, Powerful, Flexible, Light weight, and Easy to use IP PBX
A Free Windows SIP PBX, with rich and powerful features like ACD(Automatic Call Distribution), Ring Group, Call Parking, Auto Attendant, Pickup Group, Conference, Auto-Dialer, Database CDR report, Database PBX Status Report, and much more. You can set up your own call-center in just a few of minutes. Support Plugin now. Customize your IVR menu by C# or vb.NET. Enhanced conference room. Support BLF now. Added TCP support for SIP.
Old Version V2: Download Latest Free Version 2.74, Released August 30 2012
1. V3 is completely database driven. V2 can run without database.
2. V3 works as Windows service. V2 is Windows desktop application.
3. V3 supports voice mail box and MWI. V2 only forward voice mail into email address.
4. V3 supports whisper for supervisor Monitoring. V2 doesn't support whisper.
5. V3 supports magic transfer code. V2 doesn't support this feature.
6. V3 allows developers to change the PBX settings on the fly as it is using database table for configuration.
7. V3 supports manager interface, so developers can develop a manager client for events and controling PBX.
8. V3 supports video phones. V2 only supports voice call.
"I want to let you know, I think you have an awesome product! I've been in the telecom industry for over 22 years, and have always spent my personal time educating myself in what is available to the "average joe" in today's markets. Your product is efficient, simple, and of high quality. Thank you for such a great job!" --- Joseph A Pandolfo
"I've installed your SIP PBX, and I have to say: THANK YOU! It's just a great system, online within 5 minutes." --- Arjan Mensinga
"It is easy to setup, resource friendly and seems to run really stable. So far I'm pleased with it." --- Roger Kurrat
"Your PBX is working excellent. It is exactly what I am looking for. I built my home office phone system in just minutes, and I can even answer my business calls from my cell phone when I am out. Worth to try!" --- Allan
Free Edition vs Professional Edition
|Number of simultaneous calls supported||8||8-256|
|For full pricing please contact us|
|General Phone System Features|
|Blind Call Transfer|
|Attended Call Transfer|
|Call Forward on Busy|
|Call Forward on No Answer|
|Call Routing (DID)|
|Auto Attendant / Digital Receptionist|
|Music on Hold|
|Support Plugin||Only the first line can run plugin for demo purpose|
|Automatical Outbound Task From DB||Only allow 100 calls for demo purpose|
|TCP Manager Client||Only allow 1 TCP Manager Client for test and development purpose||Unlimited|
|Management and Scaleability|
|Web-based management console|
|Real Time Web-based System Status|
|Integrated Web Server|
|Automated Restore and Backup|
|Firewall Friendly and NAT Friendly|
|Support MS SQL Database|
|Ability to Run as Windows 2008 Virtual Machine|
|Ability to Run as VmwareVirtual Machine|
|Supports Windows Clustering|
|Allow Users to Configure their Own Extension Settings|
|Unified Communications and Mobility|
|Receive Voice Mail via Email|
|Public SIP ID for Extensions|
|Advanced forwarding rules based on caller ID, time & type of call|
|Standards-based Presence Information|
|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 SIP Servers|
|Codecs (Voice Compression)|
|G711 (a law and u law)|