Volunteers were busy working the phone bank to make calls for the campaign.
phone bank
Frequency:
60
%
The phone bank was set up in the community center to handle incoming donation calls.
Idiomatic Expressions for phone bank
Phrase: work the phone bank
Meaning: to operate or staff a phone bank, typically for a specific purpose such as making calls for a charity or political candidate
Usage: I'll be working the phone bank tomorrow to raise money for the local animal shelter.