Panasonic KX-TS580FXW

This integrated single-line phone system with a 2-row screen allows for easy navigation in the menu and storage of up to 50 phone contacts. It also features a loudspeaker, caller hold function with background music, and automatic redial. You can set the phone up to 8 levels of volume, 2 levels of ringer volume, or simply turn off the ringtone and leave only the LED Caller ID. Caller information for the last 20 callers is logged in the phone's memory. This model comes in white colour and is easily wall-mountable.  
Parameters and Specifications:
Number of lines:
1 (single) telephone line
Screen:
2 rows
4 levels of brightness
Caller memory:
50 contacts in the phonebook 
The last 20 calls
Other:
LED indicator for incoming calls
Redial
Restrict outgoing calls
Handset mute
Caller hold function with background music
Automatic redial
8 levels of handset volume
2 levels of ringer volume + ringer off mode
Wall-mountable
Power supply:
Telephone line + 3 x AA batteries
Dimensions:
196 x 190 x 95
Weight:
685g