Can be easily synced to your Swissvoice Xtra 2155 or Swissvoice Xtra 3155 system. 1 x Swissvoice Xtra Ringer 8155. This Swissvoice accessory is ideal for anyone who has trouble hearing the phone. By sounding a 90dB ringer while illuminating an extra-bright LED light, the Xtra Ringer makes it much easier to identify that your phone is ringing, helping to reduce your chances of missing a call.
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