To use the phonecall schedules, you need to:

#. Go to any partner form.
#. Go to the *Phone calls* tab.
#. Select any of the available schedules.
#. A readonly checkbox will tell you if it is a good time to call him/her.
#. A readonly aggregated schedule is visible too.

To filter partners available to call right now:

#. Go to the partners view.
#. Use the built-in filter *Available for phone calls now*