Call Duration in Minutes
1 min
The default call duration is displayed in seconds. With a custom formula field you can display it in minutes.
Select: Setup > Customize > Activities > Activity Custom Fields

Then select the button New and Formula

Then select Text

Copy the following formula into the text field.
IF((MOD(CallDurationInSeconds/60,1)*60) > 10,
TEXT(FLOOR(CallDurationInSeconds/60)) + ':' +
TEXT(FLOOR(MOD(CallDurationInSeconds/60,1)*60) ),
TEXT(FLOOR(CallDurationInSeconds/60)) + ':0' +
TEXT(FLOOR(MOD(CallDurationInSeconds/60,1)*60) ))
