Myth: Smiling on the Phone Guarantees Sales

Listeners can often hear a smile, so it can make you sound warmer; there is no proof it raises sales by itself.

Mixed evidenceTartter, 1980 · Perception & Psychophysics, happy talk; Drahota, Costall & Reddy, 2008 · Speech Communication, the vocal communication of different kinds of smile

Lab studies show people can hear smiles in the voice, but the specific claims about sales gains from smiling have no published backing.

Why it works

Smiling changes the shape of your mouth and so the sound of your voice. Listeners can often tell. But warmth alone does not win the deal; content and listening matter more.

How to do it

  1. Smile when you greet and when you thank.
  2. Keep a natural expression for serious points.
  3. Stand up on important calls to keep energy up.
  4. Focus on the content, not on holding a smile.

What to say

Good morning, Mr Rao. Thanks for picking up.

(Serious tone) I understand the delay hurt your team.

Avoid

Fixed, forced smiling through bad news. It sounds false.

Example

Pritam's call-centre training said smile always. He noticed it sounded odd when clients complained. He now smiles at the greeting and listens seriously to problems.

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