North South University Library OPACIP telephony :
Douskalis, Bill
IP telephony : the integration of Robust VoIP services / Bill Douskalis - New Delhi : Pearson Education, c2000. - xxi, 331 p. : ill. ; 25 cm. + 1 computer disc (CD ; 3/4 in.) - Hewlett-Packard professional books .
8178082853
Internet telephony
TK5105.8865 / .D68 2000
621.38212 / D741i
IP telephony : the integration of Robust VoIP services / Bill Douskalis - New Delhi : Pearson Education, c2000. - xxi, 331 p. : ill. ; 25 cm. + 1 computer disc (CD ; 3/4 in.) - Hewlett-Packard professional books .
8178082853
Internet telephony
TK5105.8865 / .D68 2000
621.38212 / D741i