Power supply:AC220V¡À10% 50HZ(AC110V¡À10% optional).
External line:tone from local telephone office.
Temperature:32F---104F(0¡æ---40¡æ)
Relative humidity:20%-80%
Direction: Caller ID can be display on extension (Compatibility FSK/DTMF)
Computer operator(auto-attend)
Billing port
Hold Music port
Broadcast port
Three-part conference
Telephone meeting
Extension call restriction
Flexible coding
Private pass-code
Call time limit
Call transfer
Call transfer on busy or no reply
Trunk group
Do not disturb
Operator break-in
Alarm call

Options :
For more efficiancy and to simplify your choice of the requested products, we automatically offer accessoiries, complementary or matching products. (batteries, cables, accus, etc...)

Equivalent products :
If the requested product is no longer avaiable we offer the following listing of equivalent products.