BT 4-Tone Loud Indoor Telephone Ringer - White

BT 4-Tone Loud Indoor Telephone Ringer - White

The ToneCaller from BT, with its loud sound makes it easier to know when your phone is ringing. Features a choice of 4 sound options and a volume control. Telephone lines usually have a REN of 4 ~ they can operate up to four telephone products (e.g., phones, fax, answering machine) each with a REN of 1. This product has a REN of 1. Please note we also have REN Boosters available if your REN exceeds 4.

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With and Without Wires - BT 4-Tone Loud Indoor Telephone Ringer - White
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