You can go more and more deeply into your knowledge database and give a fuller and richer answer, or you can move back to your original key message points.

FORBES: Move To Your Message Points -Media Training

They may not answer as fast as inside sales reps would, but leave a message and they will call you back.

FORBES: What is Inside Sales? The Definition of Inside Sales

Before heading to the World Trade Centre he had left a message for his wife Jean: 'I called you back but got no answer.

BBC: 9/11 defined the past decade for the US and Europe