Comments
www.adam-bien.com/roller/abien/.../so_you_want_to_start
Posted by crouse
www.wikihow.com/Start-a-Book-Group
Posted by crouse
I think use Cisco Press Voice over IP.
Posted by HamidAliKhan
Voice Over IP Fundamentals
by
Jonathan Davidson
James Peters
Posted by Hash007
Cisco Press Voice over IP.
Posted by waqqas1
VOIP for Dummies " http://books.google.com/books?id=e6FbFcjx3_0C&dq=Dummies+for+VOIP "
TelecomMentor also has good Q & A for starter.
Posted by kwwilliams