http://www.google.com/intl/en/press/pressrel/ir_20100517.html

Wikipedia:
<<Global IP Solutions (Oslo Stock Exchange: GIPS) is a United States-based corporation that develops real-time voice and video processing software for IP networks.[1] The company (also known as GIPS) delivers embedded solutions that enable real-time communications capabilities for video and Voice over IP (VoIP). GIPS is perhaps best known for developing the narrowband iLBC and wideband iSAC speech codecs.[2]
GIPS software is generally delivered as “engines” that package together voice and video processing components into optimized frameworks for smoother integration and better performance.[3] GIPS’ customers are primarily service providers, application developers, and manufacturers of IP phones, gateways or voice and video conferencing systems.[4]>>

The most interesting is the list of their customers
<< Its customer list includes Nortel, Oracle, Samsung, WebEx, Yahoo!, AOL and other key players in the VoIP market >>