call waiting
US /ˈkɑːl ˌweɪ.tɪŋ/
UK /ˈkɑːl ˌweɪ.tɪŋ/

1.
oproep in wacht, wachtstand
a telephone service that alerts a subscriber to an incoming call while another call is in progress
:
•
I missed your call because I don't have call waiting.
Ik miste je oproep omdat ik geen oproep in wacht heb.
•
You can activate call waiting through your phone settings.
Je kunt oproep in wacht activeren via je telefooninstellingen.