BT DECTfax - Manual (Page 21)

Call timer
After you have finished a call you can check the
length of the call.
To check the duration of a call
1
When you have finished a call, press the
Clr
button.
The display shows the length of the call in
hours, minutes and seconds. The display will
return to normal after a few seconds.
2
To clear the call duration, press the
Clr
button again while the call duration is being
shown. The display will return to
00 00 00.
21
Using your handset