on the phone
Also found in: Acronyms.
on the phone
1. Currently using a telephone to talk to another person. Please be quiet! Can't you see I'm on the phone? I was on the phone for nearly three hours trying to get through to a customer service representative.
2. On the other end of a telephone call. Who was that on the phone? The guy on the phone said that our bank details had been compromised.
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