Use Call Functions - Samsung HKT600 Manual

Use call functions

Learn to make or answer calls and use basic call functions. Some
functions may not be supported by your mobile phone.
To
call the most recently dialled
number
answer an incoming call
end a call
make a voice-activated call
reject an incoming call
answer a second call (during
a call)

Press
the Multifunction key twice;
Pressing the key once will display
a list of recent numbers on your
phone's display
the Multifunction key
the Multifunction key
and hold the Multifunction key
and hold the Multifunction key
and hold the Multifunction key;
Pressing the key once will answer
the second call and end the first
call