VoIP wireless, P2P and New Enterprise Voice Over IP by Ganguly, Samrat, Bhatnagar, Sudeept

Available for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access
Also available remotely for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access thru EZproxy

Voice over WLANs the complete guide by Finneran, Michael F.

Available for University of the Philippines System via ScienceDirect. Click here to access
Also available remotely for University of the Philippines System via ScienceDirect. Click here to access thru EZproxy

Voice and video conferencing fundamentals by Firestone, Scott

IMS multimedia telephony over cellular systems VoIP evolution in a converged telecommunication world

Available for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access
Also available remotely for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access thru EZproxy

Design and implementation of asterisk in LAN for UP (DIAL UP) by Camerino, Alan Josef

Asterisk hacking toolkit and liveCD by Jackson, Benjamin

Real IT feat by Noda, Tom S.

All VolPed up by Rubio, Jenalyn M.

Convergence with VoIP by Noda, Tom S.

Maximizing VoIP by Joven, Vernadette T.