fabric and adjunct switching devices that enable traffic to be switched or re-arranged.

The company also provides broadband access products, including ATM controllers that comprise CellBus line of products used in DSLAM and APON/BPON OLT equipment; physical layer solution; and FTTP protocol layer products. In addition, it offers carrier Ethernet products, including circuit emulation devices that provide a migration path for transporting T1, E1, T3, and E3 circuits over IP, MPLS, and tag-switched Ethernet networks; Ethernet switches to examine header information on source/destination address, VLAN tags, and MPLS labels; Ethernet controllers that manage Ethernet traffic to and from multiple physical interfaces; and Ethernet PHY, including TransPHY 10-Gigabit PHY devices. Further, the company provides voice over Internet protocol products for carrier-class media gateway, access gateway, and residential gateway markets; software programs to control its configurable devices; product reference design models for hardware and software applications; evaluation boards and reference design; original equipment manufacturer (OEM) product design support; multi-tier applications support; and product technical and design documentation services. It serves public network systems OEMs, WAN and LAN equipment OEMs, Internet-oriented OEMs, and communications test and performance measurement equipment OEMs, as well as government, universities, and private laboratories. TranSwitch sells its products through a direct sales force, sales representatives, and distributors.