Microsoft PC Cordless Phone System --Circa 1999?

An Advertisement for the MS PC Cordless Phone System. It has a lot of great features. (like DND) Old advertisements intrigue me.
http://www.youtube.com/watch?v=8-0A8n4POU4

Tom Keating in this article (last paragraph) noted the product flopped.
http://blog.tmcnet.com/blog/tom-keating/voip/microsoft-response-point-voip-for-business.asp