We describe the architecture and implementation of our Internet telephony test-bed intended to replace the departmental PBX (telephone switch). It interworks with the traditional ...
Wenyu Jiang, Jonathan Lennox, Henning Schulzrinne,...
Abstract Within the traditional telephone system a certain level of quality and security has been established over the years. If we try to use IP Telephony systems as a core part o...
Ralf Ackermann, Markus Schumacher, Utz Roedig, Ral...
Mobile payment has some unique advantages over more traditional payment methods in, for example, TV shopping and mobile multimedia services. Unfortunately, most existing mobile pa...