How to check your modem setup
To check your modem settings within Windows;
then Control Panel.
Then, depending on which version of Windows you use, you will see either a Modem or, in Windows NT and Windows 2000, a Phone and Modem icon.
Click this, and
Double-click on the Modem tab if you need to.
You will see two Tabs,
General and Diagnostics
Click General and on the new screen, make sure that your modem appears there.
Then on this screen you
will see a value for Maximum Speed, Ideally, this
should be set higher than the maximum speed of your modem -
115200 for a 56k modem. But if you are experiencing
connection problems, trying lowering the speed and see what
Then click Connection.
In the Connection Preferences section check that Data Bits is set to 8, Parity to None, and Stop Bits to 1.
In the Call
Preferences section you will see: the text Disconnect
a call if idle for more than xx mins. The default
setting here is for it to be set to 20 minutes. If so, and
the checkbox next to this is checked, you will be timed out
after 20 minutes unless you are actively using the Internet.
Try removing the tick completely. and then clicking OK.
Click Port Settings, and check them. In general choose high settings to improve performance. Hit OK.
Now return to the Diagnostics tab.
click either Query Modem or More Information, depending on your version of Windows. This query, which will take a minute or two, will test that your modem is working correctly.
Click on the Advanced port settings button and make sure they're all set to high.
Now click the Advanced tab
In the field Extra Initialisation commands put S10=50. Click OK and OK on the previous screen. This tweaks your modem Initialisation (init) settings to try and prevent short noise bursts or carrier interruptions from closing your connection.