Davolink DV-201DM User Manual page 37

Dial on demand : In this mode the user is connected to the ISP when he off
hooks the phone.
Idle timer : When the connection type is dial on demand and the user does not
use telephone or PC for idle timer value, the PPP connection is dropped
automatically.
Retry-Connection Timer : When the connection type is always on and the
connection to the ISP is disconnected, After Retry-connection timer value the
system will try to connect the ISP automatically. The Retry-connection timer value
should be at least 15 seconds. You can choose the number 15 to 30
Country Name : The name of your country, if your country name is not there you
can select similar country.
Dial Mode : The analog telephone line type.
Modem Speaker : To turn on and off Modem speaker.
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