North South University Library OPACIP telephony /
Goralski, Walter J.
IP telephony / Walter J. Goralski and Matthew C. Kolon - New York : McGraw-Hill, c2000. - xxiii, 468 p. : ill. ; 23 cm.
0072130822
Internet telephony
TK5105.8865 / .G67 2000
004.6 / G661i
IP telephony / Walter J. Goralski and Matthew C. Kolon - New York : McGraw-Hill, c2000. - xxiii, 468 p. : ill. ; 23 cm.
0072130822
Internet telephony
TK5105.8865 / .G67 2000
004.6 / G661i