IP telephony :
Hersent, Olivier.
IP telephony : packet-based multimedia communications systems / Olivier Hersent, David Gurle & Jean-Pierre Petit. - Harlow : Addison-Wesley, 2001. - xviii, 456 p. : ill. ; 25 cm.
Includes bibliographical references and index.
0201619105 :
Internet telephony., TCP/IP (Computer network protocol)
004.6 H572i 2001
IP telephony : packet-based multimedia communications systems / Olivier Hersent, David Gurle & Jean-Pierre Petit. - Harlow : Addison-Wesley, 2001. - xviii, 456 p. : ill. ; 25 cm.
Includes bibliographical references and index.
0201619105 :
Internet telephony., TCP/IP (Computer network protocol)
004.6 H572i 2001