You specify the behavior of Windows 95 when Dial-Up networking finds a busy line by editing the registry directly.
Editing the Registry should be done only by experienced users and with extreme care and the Registry should always be exported or backed up before any changes are made.
1. Select HKEY_CURRENT_USER\RemoteAccess
2. Enable or disable redailing by setting EnableRedial to either one or zero, respectively
3. If redailing is enabled, then you can specify the number or redials in RedialTry from 1 (01 00 00 00) to 99 (63 00 00 00). You can set the time interval between redial attempts by RedialWait from 0 minutes and seconds (00 00 00 00) to 119 minutes and 59 seconds (3b 00 77 00). Note that the seconds are in the leftmost byte and the minutes in the third byte.
A much safer way to specify the redial parameters is by executing the Connections command from the Windows Explorer main menu when the Dial-Up networking folder is selected.