dial up
phrasal verbdial 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.
 
 
dial something  up 
- to order something by phone, to be delivered immediately
- If I'm too tired to cook, I just dial up a pizza.
 
 - to increase the noise, heat, etc. produced by a piece of equipment by moving its controls
- Dial up the volume.
 
 - (informal) to increase the amount, degree or power of a quality
- She gradually dialled up the pressure on the rest of the team.