RICHARDSON, Texas, Feb 8, 2000 (BUSINESS WIRE) -- HighwayMaster Communications, Inc. (Nasdaq:HWYM), the leading provider of wireless voice and data communications services to the commercial trucking and service vehicle industries, today announced that it has been chosen to provide Ameritech and other member companies of SBC Communications, Inc. (NYSE:SBC) over 28,000 HighwayMaster Series 5005S intelligent mobile units. The installation, which will occur throughout 2000, also includes enhanced proprietary software and services.

"This order will almost triple, to over 43,000, the number of mobile units we will have installed at various SBC companies," said Jana Bell, HighwayMaster’s president