Hardware and software needed for ISDN and ADSL?

For ISDN (Integrated Services Digital Network), the hardware required typically includes an ISDN terminal adapter or an ISDN modem, which connects to the user's device and the ISDN line. On the software side, users may need drivers or configuration software to manage the connection. In contrast, ADSL (Asymmetric Digital Subscriber Line) requires an ADSL modem or router to connect to the telephone line, and it usually includes built-in software for configuration and management. Additionally, users may need a compatible computer or device with an Ethernet port to connect to the ADSL modem.