VoIP and unified communications: internet telephony and the future voice network by Flanagan, William A. 0 Type: Book
Cisco IP Communications Express: Cisco CallManager Express with Cisco Unity Express by Au, Danielle, Díaz Pérez, José Manuel fromCommunicaciones IP (Cisco) 0 Type: Book
DSL advances by Starr, Thomas fromPrentice Hall communications engineering and emerging techn… 0 Type: Book
Beyond VoIP protocols: understanding voice technology and networking tec… by Petit, Jean-Pierre, Hersent, Olivier, Gurle, David 0 Type: Book
