This seems to tally with other examples I've found, though my text is a ppt presentation with bullets, which doesn't give much away. And "inside sales" seems to be the answer.
"In the United States, the Fair Labor Standards Act defines outside sales representatives as "employees [who] sell their employer's products, services, or facilities to customers away from their employer's place(s) of business, in general, either at the customer's place of business or by selling door-to-door at the customer's home" while defining those who work "from the employer's location" as inside sales" (ref:
http://en.wikipedia.org/wiki/Sales )