Active Voice Corporation

Banneker Systems Incorporated
Phone: (508) 821-4440

Digital Speech Systems

Fujitsu Business Communication

Hitachi Telecom (USA), Inc

InnTel NSL Inc.

ISI Infortext

KS Telecom
Phone : (800) 833-3446

MIS Associates, Inc.
Phone : (770) 663-4633

Xeta Corp
Phone : (918) 664-8200