Along the lines of the senior's mobile phone http://www.ozbargain.com.au/node/105341 we now have the senior's home phone.
Key Features
Big button keypad
Large LCD display with LED backlight
One touch dialling to 3 emergency numbers
Caller ID (Name Function is Network Dependant)
Max. 64 Caller ID memory
New and total call indication
Repeat call counter
Individual and all calls erase
Caller ID memory call back
10 indirect memory dialling (number only)
Ringer volume control (Hi/Lo/Off)
Handset receiver volume (Hi/Norm)
Last number redial
Hearing aid compatible
Battery low indication
Battery operation: 4 x AA batteries (not included)
Desk or wall mountable
*Caller ID and features only work if you subscribe to the service provided by your local telephone company. There is usually a fee for these services.
Looks like a calculator with phone function