Most voice-over-Internet Protocol (VoIP) systems install on a home computer and require a special modem.

FORBES

If Bain wins, it has an internal group of some 70 consultants who take to the field to advise portfolio companies on everything from upgrading their computer systems to calculating the profitability of a two-for-one special on fast food.

FORBES: The Truth About Bain: Inside The House That Mitt Built