Voice-over-internet-protocol (VoIP) controller PMC Sierra
PMC-Sierra's Carrier-Certified VoIP technology is the first to successfully complete compliance testing at the China Netcom Group Labs, achieving exceptional voice quality measurement results with a Mean Opinion Score (MOS) of greater than 4.1. In addition, PMC-Sierra's VoIP solutions have achieved Best-In-Class certification results from China Telecommunication Technology Labs (CTTL) and Korea's Telecommunications Technology Association.