call waiting

US /ˈkɑːl ˌweɪ.tɪŋ/
UK /ˈkɑːl ˌweɪ.tɪŋ/
"call waiting" picture
1.

呼叫等待, 来电等待

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.
我错过了你的电话,因为我没有呼叫等待
You can activate call waiting through your phone settings.
您可以通过手机设置激活呼叫等待