GAO Research
Red Embedded Design license a number of optimized audio codecs from GAO which are integrated into their videophone range.
GAO Research Inc. is the leading provider of embedded communications software for telecommunications, semiconductor, and electronics companies worldwide. GAO offers its VoIP & FoIP solutions, V.92 & V.90 with all fallback soft-modems, Super G3 & G3 fax software, speech and telephony modules on the broadest range of DSPs and microprocessors. In addition to superior software, GAO provides unparalleled technical support, extensive platform expertise, and state-of-the-art testing facilities.
http://www.gaoresearch.com/