AX1600P
1-16 FXO/FXS PCI-E card
AXE1600P
1-16 FXO/FXS PCI-E card
AXE4D
4 ports ISDN PRI E1/T1/J1 card
EC128
128 channels
EC64
64 channels
EC32
EC32 32 channels
AXE4D
4 ports ISDN PRI E1/T1/J1 card
AXE2D
2 ports ISDN PRI E1/T1/J1 card
AXE1D
1 ports ISDN PRI E1/T1/J1 card
AT640P
Support 4 SIP and 1 IAX2
128*64 DOTS
4 softkeys,Support BLF
Support POE 
AT640
Support 4 SIP and 1 IAX2
128*64 DOTS
4 softkeys
Support BLF 
AT620P
Support 2 SIP and 1 IAX2
128*64 DOTS
4 softkeys
Support POE
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