Acme Packet

UNIFIED COMMUNICATIONS SECURITY

This company provides session border controllers and security software to protect internet protocol based voice and video communications for enterprise customers.

Sycamore Networks

This company manufactures optical networking equipment and software that enables telecommunications service providers to manage bandwidth and high-speed data traffic.

Blue Coat Systems

This company develops hardware and software for network security and web traffic filtering, serving corporate enterprises and government agencies to manage cyber threats.

BelAir Networks

This company provides wireless networking equipment and software to telecommunications service providers and mobile network operators.

PMC-Sierra

This company manufactures semiconductor and software solutions for telecommunications and data storage equipment providers.

Acclaim Communications

This company develops semiconductor components and local area network switching products for high-speed digital communications equipment manufacturers.

Argon Networks

The company manufactures high-performance routing and switching hardware for internet service providers and telecommunications transport networks.

Copper Mountain Network

This company supplies digital subscriber line communications hardware and software to telecommunications service providers for high-speed data and voice delivery using existing copper infrastructure.