Olaf Kautz

Method for managing communication sessions

Method for changing between a packet-oriented PTT session and a circuit-oriented telephone connection between at least two radio communication appliances, associated radio communication appliance, network component and radio communication system

Accelerated establishment of a connection between a number of mobile radio users

Managing communications sessions in packet-oriented communications system involves specifying session prioritization for first mobile station of first group also associated with second group, sending prioritization to central controller

Method for switching between a packet-oriented ptt session and a line-oriented telephone connection among at least two radio communication terminals

Accelerated establishment of a connection between several mobile radio users

Mobile data transmission method e.g. for data transmission via session Initiation Protocol, involves assigning, apart from used minutes and range of applications, additional parameter as component of minutes being used by application

Push-to-talk-Kieselmann-et-al

Verfahren zum wechsel zwischen einer paketorientierten ptt-sitzng und einer leitungsorientierten telefonverbindung zwischen mindestens zwei funkkommunikationsendgeräten

A method for managing communication-sessions