BT 4 Tone Loud Indoor Telephone Ringer

The 4 Tone Loud Indoor Telephone Ringer has a loud sound which makes it easier to know when your phone is ringing. Features a choice of 4 sound options and a volume control. Plug In RFI Filter. Eliminate or reduce radio induced interference on your phone or internet connection. If you can hear radio transmissions or radio induced interference you probably need a RFI filter. It plugs between your telephone and telephone wall socket. Also works with modems and is compatible for use with ADSLBroadband.

Best Price: £14.99 from BT Shop