Dial-up modems, which allowed computers to connect to servers and other machines via public telephone networks, played a significant role in the history of early internet connectivity. These devices, widely used from the late 1970s to the early 2000s, bracketed the otherwise silent browsing experience with their inimitable "handshake" sound. In the early days of the internet, dial-up modems were essential for establishing connections between computers and servers. Users would initiate the connection by dialing a specific phone number, often provided by an internet service provider (ISP). The modem would then emit the distinct series of sounds, which became known as the "handshake." This handshake sound was, in essence, a means of negotiating terms between the user's computer and the remote server. It indicated that both machines were ready to communicate and exchange data. Once this auditory agreement was reached, data transfer could commence, enabling users to access websites, send emails, and engage in other online activities. Dial-up modems had various speeds, with one of the most famous being the 56K modem, which was capable of reaching speeds of 56 kilobits per second (Kbps). However, the browsing experience was often slow by today's standards, and users had to contend with limited bandwidth. The widespread adoption of broadband and high-speed internet connections in the early 21st century eventually rendered dial-up modems obsolete. Nonetheless, the memorable "handshake" sound remains an iconic auditory artifact of the early internet era, reminding many of the pioneering days of online connectivity.