eBook Free Space Optical Networks for Ultra-Broad Band Services written by Stamatios V. Kartalopoulos of Wiley, John & Sons, Incorporated is available for free download from Rapidshare, Hotfile, FileSonic, FileShare, Depositfiles. This book provides a comprehensive description of an optical communications technology known as free space optical—a next-generation communications network... 

eBook Asterisk Gateway Interface 1.4 And 1.6 Programming written by Nir Simionovich of Packt Publishing is available for free download from Rapidshare, Hotfile, FileSonic, FileShare, Depositfiles. Get started with AGI development and use the dynamic features of Asterisk AGI to build your own VoIP-based telephony system. This book is intended for developers wishing to utilize Asterisk, system administrators...