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Products in this section are add-on units, for use with most standard telephones, to amplify the ringing volume. They may be battery operated or mains powered and plug into a telephone socket or doubler. Some are intended for use outside a building.
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Telephone ring indicator which flashes and emits a loud ring. Options include: CLA2 shaker pad, when the telephone rings the shaker pad vibrates; can be linked to a second device to extend its range... Read more»
Telephone extension bell. Comprises unit with cord that connects between telephone and wall socket to increase telephone ring volume. One supplied rent-free to BT customers from some suppliers.... Read more»
Rectangular wall-mounted telephone ringer that connects to phone socket installed near phone. Slide switches adjust volume and tone. Doubler socket connects to optional weather-resistant outdoor ringe... Read more»
Telephone transmitter, detects when your phone rings. When activated, alerts can be sent by sound, flashes or vibrations. For those with hearing loss. Options: can be set to receive incoming message... Read more»
Telephone ring amplifier with volume control and visual ring indicator. Connects directly to the telephone line and requires no batteries.... Read more»
Audio and visual electronic telephone ringer to indicate incoming calls. Unit fits BT socket.... Read more»
Mains powered unit which indicates incoming calls. Free standing or wall-mounted. Self-adhesive sensor pads which activate unit are attached to telephone.... Read more»
Provides audible indication of telephone ring remote to location of the phone. Range of 'warbling' tones and adjustable volume available. Plugs into telephone socket or doubler. One supplied rent-free... Read more»
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