Telephone Extra Ringer
A telephone extra ringer is a device that can be connected to a telephone line to increase the volume of the telephone ring. It is typically used in situations where the telephone ring is not loud enough to be heard in a particular area or if someone has a hearing impairment.Extra ringers are usually connected to the telephone line by plugging them into a wall jack or by splicing them into the telephone line using wire connectors. They can be powered by either the telephone line or an external power supply, depending on the model.
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