The Cisco IGX 8400 Series Multiservice Switch platform is designed for service providers outside of the U.S. The Cisco IGX 8400 is an ideal solution for PTT carriers and alternative providers that deliver Frame Relay and ATM services. The IGX 8400 series delivers the advantages of IP ATM to large enterprises. Frontier offers used and refurbished IGX 8400 Series Multiservice Switches. Call Frontier today or simply request a quote. 866-226-6344