HOUSTON, TEXAS - June, 2005 - Enterprise Systems Corporation announced today that a Nortel CS1000B will be deployed for Clear Creek Independent School District. A total of 105 IP Instruments are to be installed with a mix of IP Phone 2002 and IP Phone 2004. The CS1000B will network with the main CS1000M Multi Group switch. Additionally, Nortel Baystack PoE switches and Aruba Wireless systems are to be installed. Enterprise Systems was chosen due to extensive experience with Nortel voice and data systems.