Options to remove the missed call notifications on desk phones

In a call center environment on desk phones notification of missed calls cannot be cleared.  We assign user "location" and turn off messaging and notifications.  The phone though shows number of missed calls on screen which cannot be cleared by non-user.  I would like to be able to deactivate the missed call notification on phone or clear immediately for this case.  Call center features are managed by our call center sw - missed calls and count of calls are irrelevant