01370nam a2200217Ia 4500 CTU_132504 210402s9999 xx 000 0 und d 83.49 621.38456 R289 Rebeiro-Hargrave, Andrew Multimedia group communication : Push-to-talk over cellular, presence, and list management concepts and applications Andrew Rebeiro-Hargrave, David Viamonte Chichester, West Sussex, England John Wiley & Son 2008 This book provides an in-depth overview of Multimedia Group Communications in the mobile domain. It specifies multimedia group communication concepts, introduces a range of applications, and proposes an evolution path. The concepts cover the "walkie-talkie" voice over IP service, XML list management, and Presence awareness technologies. The applications section embraces session control for closed professional groups and for open consumer groups. The evolution path includes exciting developments such as ‘infotainment’ and communication with non-human group members Multimedia communications,Telephone conferencing,Internet telephony,Truyền thông đa phương tiện,Điện thoại Internet QHieu Trung tâm Học liệu Trường Đại học Cần Thơ