Configure the modem for supplementary services Reset the factory configuration of your modem, and send AT commands to your modem. If you have just bought your modem or ISDN adapter, it is not normally necessary to upgrade. Product upgrades are offered when, for example, new standards are ratified internationally, or to give customers with previous models the same functionality and features as the later versions. Where to download upgrades To download upgrades, select your product from the Product List and then select the appropriate download.
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Where to store the Files Simply download the files and store them on your hard disk. However, it is important that you remember where you save your files, as you will need this information afterwards when carrying out the upgrade with the Configuration Manager. Carry out the Upgrade Perform the upgrade using the Configuration Manager. An interruption by an incoming call can cause the upgrade to fail and the modem may be left in an unusable state. From within Windows Explorer, double click on the file cfgman.exe to start the Configuration Manager.