Hersent, Olivier.
IP telephony : packet-based multimedia communications systems / Olivier Hersent, David Gurle & Jean-Pierre Petit. - New Delhi : Pearson Education Asia, c2000.[Reprinted 2001]. - xviii, 456 p. : ill. ; 24 cm.
Includes bibliographical references and index.
8178082586 0201619105 9780201619102
Internet telephony.
Multimedia systems.
Telecommunication systems.
621.385
IP telephony : packet-based multimedia communications systems / Olivier Hersent, David Gurle & Jean-Pierre Petit. - New Delhi : Pearson Education Asia, c2000.[Reprinted 2001]. - xviii, 456 p. : ill. ; 24 cm.
Includes bibliographical references and index.
8178082586 0201619105 9780201619102
Internet telephony.
Multimedia systems.
Telecommunication systems.
621.385