CATALYST COMMUNICATIONS TECHNOLOGIES INC.

Integrated Voice and Messaging Radio over IP Dispatch

Catalyst Communications Technologies announces a new capability for its IP Fleet users that transmits text messages from personal computer users anywhere on the planet to mobile and portable radio users connected over a land mobile radio network. This capability extends radio over IP applications beyond just voice to now integrate a leading data application - text messaging - and does not require a special message switch. IP Fleet is a Radio over IP dispatch and Interoperability software application from Catalyst that allows users on Personal Computers to communicate with Kenwood's FleetSyncTM radio users by connecting to them over an agency's data network. Within the FleetSyncTM control protocol is a data capability that Catalyst has leveraged to display text messages on the LCD display of the radio. This text can be pre-programmed text messages or free text, up to 48 characters. Remote PC users communicate with Kenwood Fixed Radios over a wide area network. Now, both audio and data text messages can transpire between PC and radio users. This new Status and Text Message capability is the latest in a long history of technology achievements from Catalyst. Company president Robin Grier noted, "Catalyst is pleased to provide an integrated voice and message dispatch and interoperability solution that supports multiple frequency bands, LTR trunking, and conventional with FleetSync signaling for Kenwood radios." IP Fleet can also provide integrated voice and status message dispatch simultaneously via multiple fixed mobile radios. The dispatcher can select any channel or talkgroup on each mobile and simultaneously broadcast audio through them, Page 1 of 2

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