ISA Communications Services, Inc. (ISACOMM) was a long-distance telephone company headquartered in Atlanta. It was the first telephone company to offer...

Uninet. To enter the long-distance voice market, United Telecom acquired ISACOMM in 1981 and US Telephone in 1984. Southern Pacific Communications Company...

the period were not efficient over satellite links. One SBS customer, ISACOMM, extended the business model to smaller corporate customers and provided...