A professional who sells telephone services to business accounts. Respnsibilities include:

• Contacts and visits commercial customers to review telephone service.
• Analyzes communication needs of business establishments, using knowledge of type of business, available telephone equipment, and traffic studies.
• Recommends services, such as additional telephone instruments and lines, switchboard systems, dial- and key-telephone systems, private-branch exchanges, and speaker telephones.
• Quotes rates for equipment and writes up orders.
• Explains equipment usage, using brochures and demonstration equipment.
• May specialize in selling services to a particular industry.