dial up
https://media.tenor.com/eEoS8KQszf4AAAAd/dial-up-animated.gif
phrasal verb
dial up | dial something ⇔ up
​to connect to a computer system using a phone line
Back then, you still had to dial up to the internet at 5p a minute.
I tried to dial up a connection.
TOPICS Phones, email and the internet C2
SEE ALSO dial-up