Voice Over Packet Networks
Wright, David J.,
Voice Over Packet Networks David, J. Wright - England : Wiley, c2001. - xviii, 252 p.: [E6]
0471495166
621.38212 / WRI/VOI
Voice Over Packet Networks David, J. Wright - England : Wiley, c2001. - xviii, 252 p.: [E6]
0471495166
621.38212 / WRI/VOI