an answering service
an answering machine
a voicemail
a greeting
an operator
a device that automatically answers a phone call and records a caller's message when a person doesn't answer the phone.
a recorded voice that responds and asks a caller to call back or leave a message.
a person who provides telephone assistance to people who call companies, hotels, or other businesses.
an audio message that a caller leaves when no one answers the phone.
a service that answers peoples' phones and takes and delivers messages to them.