What's the safest thing to do when need to use a handheld phone while driving?

• Pull over to the side of the road before making a call.
  Explanation:

  "While there are emergency exceptions to the handheld cell phone law, it is always safest to pull over to the side of the road before making a call."
• Make quick calls while driving.
• Make the call while driving slowly in a neighborhood.
• Make calls while stopped at a red light.