Crossword puzzle clue "phone in use sound"

Here are the possible solutions for phone in use sound clue

Answer
Clue
Relevancy
busysignal
Clue
"Phone in use" sound
text
Clue
Phone-to-phone message
Phone-to-phone communication
busy
Clue
In use, as a phone line
Definition
to occupy oneself
call
Clue
Use a phone
Use the phone
Use a smart phone
Definition
to summon
delayedcall
Clue
Guy acquires girl's phone number but waits too long to use it; ref signals ...

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