The BT Big Button corded telephone has large and clear numbers - making it easy for everyone to read. Complete with 13 number memories for ease of use, it also has a hands free facility, easy-grip and is hearing aid compatible. The ultimate in simple to use and accessible phones, it also has call waiting, transfer and divert functions. 13 number memories. 3 ringtones. Last number redial. Call transfer. Call waiting. Call divert. Handsfree facility. Speaker and ringer volume control. Large buttons. Hearing aid compatible. General information: Suitable for wall mounting. EAN/MPN/UPC/ISBN: 5016351304082.