77582754
Sep 30, 2008
Electrical voice intracommunications systems for use in the production of live musical performances, theatre, and other live events, namely, a centralized router with a centralized routing tool that can pre-set and manage live external lines out of a Master Control Room or Sports Venue Control Center to remote users' panels and their keys and a software application that allows users to route 4-wire lines to panel users via conferences
Electrical and Scientific Apparatus