TC Communications specializes in TDM over IP solutions including Analog Radio, Voice, Serial and T1 products for industrial networks. Applications include Leased Line Replacement, Voter Comparator over IP and Multi-Service communication networks. Focused on mission-critical applications JumboSwitch products are designed to help Public Safety networks transition to IP/Ethernet without replacing existing analog equipment. All engineering, manufacturing and support located in Irvine, CA since 1991.