What is use of dialer interface in dsl connection?

The dialer interface in a DSL connection is used to establish and manage the connection between the user's device and the internet Service Provider (ISP) over a DSL line. It typically involves configuring settings such as the phone number, username, and passWord required for authentication. Once connected, the dialer interface allows for dynamic IP addressing and can enable features like on-demand connections. This interface is essential for initiating and maintaining a reliable Internet connection in DSL setups.