Definitions
There is 1 meaning of the phrase
Extension Phone.
Extension Phone - as a noun
An additional telephone set that is connected to the same telephone line
Synonyms (Exact Relations)
extensiontelephone extensionExample Sentences
"Please pick up the extension phone and call the front desk."
"She transferred the call to my extension phone."
"He installed an extension phone in his home office."
"You can reach me on my extension phone at any time."
"The extension phone in the conference room is not working."