Catalyst Communications Technologies now offers version 4.42 of their its software, including a suite of capabilities that further enhance users' abilities to control and manage their Radio over IP Dispatch and interoperability systems. Among the new capabiliteis, the new software allows Catalyst customers to link up to eight different radio systems together, regardless of manufacturere or frequency, through enhancements to the IP Link Interoperability software module. Customers will also be able to transmit pre-recorded .WAV files over the air - useful for sending Alert Tones, Paging Tones or stored message announcements. It aslo features the ability to cross Mute audio that orignates from neighboring Remote Client - useful for reducing feedback into neighboring Remote Client's microphone during transmission and much more.