Handset Layout
display
redial/format
(button)
talk
(button)
review
(button)
play/stop 
(button)
*tone 
(button)
Center radial button controls
volume/CID up/down,
delete/conference/intercom,
and memory functions
menu ok/mute
(button)
end
(button)
speaker 
(button)
skip
(button)
#pause/ringer (button)
erase
(button)
10
