La description

-The card is fully compatible with all analog Digium and other similar analog cards and modules with no changes to the drivers.
-FXO modules are used to plug existing analog telephone lines into your phone system.
With the Asterisk card TDM**0P, Open Source Asterisk PBX software and a standard PC, users can create a Small Office Home Office (SOHO) telephony environment which includes all the sophisticated features of a high-end PBX/Voicemail platform.

Scalable and Effective SOHO Solution, Target Applications

-Small Office Home Office (SOHO) applications
-Gateway Termination to Analog Telephones
-Add Inexpensive Analog Phones to Existing PBXs
-Wireless Point-to-Point Applications between Asterisk Servers

Services and Features: 
       
-Support ***6 FXO/FXS with PCI Interface
-Support Asterisk ,Freeswitch, Dahdi , Zaptel                                
-Support Trixbox , Elastix , Askozia
-Application: PBX/Voicemail/IVR/Call Center/Call Park/Call Pickup/Call Transfer
/Call Forward/Caller ID/Call Waiting/Call Conference

Specifications:

-Motherboard: X**6P    
***8 dual FXS channel module                  
***8 dual FXO channel module                 
****-Mhz Pentium III 
**4MB RAM            
*3.3V or 5V PCI 2.2 slot 
***9mm***1.5mm