The Quadro 16x offers a balanced approach with connections for up to 16 analog phones or devices and 18 local IP phones (expandable to 50 purchasing software keys in 16-port increments).
Analog phones: 16
IP phones: 18
Add'l IP phones with
key: 16ea. x 2 =32
Total extensions: 66
Trad phone ports (FXO): 4
Ethernet LAN ports: 1
Ethernet WAN ports: 1
Enclosure: Sturdy desktop case or steel rack mount | 
)
 "quadro 16x")
