dial out
Upper Intermediate (B2)neutral
To call someone from a phone system by dialling an outside number, or to remove unwanted noise from a sound.
"You need to press 9 before you can dial out on this office phone system."
Hear it in context

Pawnee Today Proving It Should've Had Its Own Spin-Off | Parks and Recreation
Parks and Recreation · 22:03
Hey, do these phones dial out?

‘The Middle’ Clips to Watch While You’re at School
ClipZone: Sitcoms · 41:44
If you'd like to dial out, please press one.

Google Cloud Live: Next ‘26 Developer keynote deep dive
Google Cloud Tech · 137:31
Otherwise like now you're talking dial out dealing with all