Comment WiFi and 2.4GHz Don't Mix (Score 5, Informative) 386
WiFi (802.11b) and 2.4GHz Phones almost always will clash -- but there is a good article on wifi planet that gives some things that can be done to lessen interference.
http://www.wi-fiplanet.com/tutorials/article.php/2 191241/
Of course, the best solution is a 900MHz or 5.8GHz Cordless Phone.
http://www.wi-fiplanet.com/tutorials/article.php/
Of course, the best solution is a 900MHz or 5.8GHz Cordless Phone.