IP telephony : packet-based multimedia communications systems /

Bibliographic Details

Main Author:	Hersent, Olivier
Other Authors:	Gurle, David, Petit, Jean-Pierre
Format:	Book
Language:	English
Published:	Harlow, England ; Reading, Mass. : Addison-Wesley, 2000.
Subjects:	Internet telephony. Multimedia systems. Telecommunication systems. Telephone systems. Voice mail systems. Computer network protocols.