voicemail
US /ˈvɔɪ.s.meɪl/
UK /ˈvɔɪ.s.meɪl/

1.
an electronic system that can store and play back spoken messages, for example from people calling a telephone number when the person called is not available
:
•
I left a voicemail for him, but he hasn't called back.
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Please leave a message after the beep, and I'll get back to you as soon as possible. You've reached my voicemail.
1.
to leave a spoken message on an electronic system for someone who is not available to answer the phone
:
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If I can't reach him, I'll just voicemail him.
•
She tried calling, but it went straight to voicemail.