1. E-PBX with 4 FXO loaded.
* The FXO port is used to connect to PSTN while FXS port is used to connect to your normal phone.
2. Working PC, x-lite runs on this computer act as a sip extension.
3. Any SIP protocol IP phone, register to E-PBX to act to as SIP extension.

Functions & Features
Extension:
Create and management of extension
Free internal call (extension call extension)
Voice message
Call park
Call hold/ retrive
Call transfer (attendant/ blind)
Call waiting
3-Way calling
Make out bound call
Do not disturb
Call forwarding

Conference: max 20 participants
Call center:(on developing)
Multiple queues
No answer rule and disposal
Multiple ring and answer rules
Incoming service concurrent call limitation

IVR:
IVR recording and management
IVR rules for no limit IVR tree
Ring time setting
No answer rule and disposal

Call management:
Call rule setting (dial plan)
Incoming call disposal
CDR