Enterprise Systems Corporation Upgrades Meridian 1 system and deploys CallPilot with Unified Messaging for KATZ Media Group

HOUSTON, TEXAS - August, 2005 - Enterprise Systems Corporation announced today that Enterprise Systems Corporation has performed an upgrade to Succession software and installation of a CallPilot migration for KATZ Media Group in Dallas, Texas. KATZ was able to retain the initial investment of a Meridian 1 Option 11C on Release 23 and Meridian Mail by upgrading to Succession 4.0 IP Telephony software and seamlessly migrating all messaging information to CallPilot. Additionally, Enterprise personnel helped KATZ to realize the significant value of CallPilot by implementing Unified Messaging.