Telephone in business.

Effective telephoning by: (Projected and video material)

Effective telephoning by: (Sound recordings, nonmusical performance)

Telephone skills = basics & beyond. by: (Projected and video material)

Phone power = increase your effectiveness every time you're on the phone / by: (Language materials, printed)

The concise guide to telephone tactics by: (Language materials, printed)

Telephone in business.

Telemarketing.

Telephone etiquette.

Employees- Training of.