The dial up connection relies heavily on phone line and modem equipment for performance. If you are maintaining them in good shape then you may not have much to worry about your dial up connection. However, apart from the modem hardware and the phone connection, there are some minor, avoidable issues that may occur to cause a dial up disconnection. Here we discuss those problems and their remedies.

1. External Call
Dial up connection failures can also happen when you receive a call while you are accessing internet through your phone line. At this time the modem may drop the internet connection. This mainly happens with the modems that do not have call waiting feature. You may avoid this issue by having a modem with call waiting feature. The call waiting feature allows a modem to stay connected to internet while an external call is received. At the same time the modem signals the user that a call has been received.

The call waiting feature can be kept enabled or disabled per your requirements. If call waiting is enabled while you are using your dial up connection then the modem connection will be interrupted when the call comes in. On other hand, if the call waiting feature is disabled then the modem will notify the user about the received call but the connection will not be terminated immediately. When you sign off and your modem hangs up the phone, call waiting is reactivated.

2. Human Interaction
Another issue that can make a dial up connection to fail is the human interference. The modem needs only one phone line and occupies only one phone terminal. In a home with multiple telephones sharing one line, it may often happen that a person picks up another extension in the house causing a modem to disconnect. This mostly happens then a person unknowingly picks up the phone from other extension when the line is accessed by the modem to access internet. We can make out whether the line is busy or not by listening for a dial tone. However, there is usually no way for the other person to know that the phone line is being used by a modem until they pick up the receiver and listen. At this point, the modem may drop the connection.

3. Conflicts between Software applications
Some software applications that you installed can create a conflict in the dial up connection. These conflicts often cause your dial up connection to fail. In some cases, event like the installation of another software program at the same time may turn out to be a reason to create conflict. It is not very easy to make out the exact cause of the conflict in most cases as there are number of different possibilities. It is always better to do some investigation to track down the cause of the conflict.

More Useful Information on Free Dialup Connections, Internet, Broadband, Modems..

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5. Dialup Connection Modem Issues.
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16. Minor Issues Causing Dialup Connection Failure.
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