call center
US /ˈkɑːl ˌsen.tər/
UK /ˈkɑːl ˌsen.tər/

1.
call center, centro assistenza clienti
an office where people answer questions or sell products by telephone
:
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The customer service team works in the call center.
Il team del servizio clienti lavora nel call center.
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Many companies outsource their customer support to a call center.
Molte aziende esternalizzano il loro supporto clienti a un call center.