When I was studying my Diploma in Project Management, I happened to read book of Rita, that was quite in helping my preparing examination for diploma, PMP candidates use this book at a large for the success in PMP certification. Just came to know from this link http://rlavigne42.wordpress.com/2010/05/21/project-management-that-works-death-of-a-pioneer-rip-rita-mulcahy/ that she dies in an early age [...]

Interested link for asterisk training. Open Resource Center Pakistan has published the asterisk training toolkit on their web site. Asterisk Training Toolkit