D-Link DVX-2020 4 Port FXO Expansion Module for DVX-2005F

Product Specifications

AS PBX:

•  Configurable as core IP or hybrid 
•  PBX. 
• Switches call & Manages routes. 
•  Connects callers with the 
•  outside world over IP/analog (POTS) 
•  Support build-in 4 FXO ports  
•  expandable up to 8 FXO ports 

AS GATEWAY: 

• Configurable as media gateway. 
• Bridges legacy PSTN to the expanding world of IP telephony. 
• Conversion between a wide range of communications protocols and media codecs. 

AS MEDIA/FEATURE SERVER: 

• Provides IVR and Conference 
• Bridge. 
•  Automated attendant and unified messaging. 
•  Can replace aging legacy voicemail systems.