Samsung NP-R610 User Manual Vista Ver.1.4 (English) - Page 191

Modem Related QI cannot hear the modem A1 Check if the phone line is properly connected to the modem. A2 Check if the modem driver is properly installed. z Click Start > Control Panel > System and Maintenance > Device Manager > Modem and then check if the model is not marked with a yellow exclamation mark. If it is marked with an exclamation mark, it means that the modem driver is not properly installed. In this case, remove the installed driver and install the driver again. x If the modem is not marked with a yellow exclamation mark, double-click the installed modem and select Diagnosis tab > Query modem to diagnose the modem. If there is no reaction to the command, it means the modem is out or order. In this case, restart the system or reinstall the modem driver and then diagnose the modem again. (Close all applications using the modem before diagnosing the modem.) QWhen you are unable to make a call when using a switchboard A In general, the dial tone of a switchboard or a digital phone switching system is not continuous unlike that of a PSTN line. Therefore, the modem may not make a phone call as it misreads the dial tone as a busy tone. In this case, perform the following.  Use the AT Command Add the ATX3 command for initialization. Alternatively, enter the ATX3 command first before make a phone call. The modem will not check the dial tone before making a phone call.  Configuring the Model in the Control Panel z Click Start > Control Panel > Hardware and Sound. x Click on Phone and Modem Options. c In the Modem tab, select an installed modem and click Properties. v In the Modem tab of the Modem Properties window, unselect the Make a phone call after waiting for a dial tone option. b When the settings are complete, click the OK button. If you cannot make a phone call starting with a 0, such as 01432, 01421, 01433, etc., this is because the private switching system is set to block long distance calls. Ask your switching system administrator. 190