Clan Stivan have updated their site today and have information regarding voice communication in WindowsXP, here's a bit
Tonight we received an email from Mike Dussault of Valve Software who did most of the voice code. Mike let us know of a "fix" that makes HL/CS run with DirectSound instead of WaveIn and that seems to be the fix we’ve been waiting for!The rest of the info (including the actual fix!) is on the page, so click here.