HOUSTON, TEXAS - December 14, 2006 - It was announced today that Cypress Fairbanks Medical Center Hospital has selected Enterprise Systems Corporation to replace their existing Option 61C with an 1800 port CS1000 Multi Group voice system. The CS10000 MG will be a "forklift" replacement of the system, but will retain the investment of the digital and analog instruments. Applications included are CallPilot 4.0 with Unified Messaging and Telephony Manager 3.0.