Abstract: A method is provided for allocating a radio resource in a packet switched data transmission system, such as GPRS (General Packet Radio Service), which data transmission system includes terminals and a network. In the method, terminals communicate with the network over the radio interface using the packet transfer mode, and for communication, a radio resource is allocated to the terminal. For allocating the radio resource, for the packet switched implementation of a realtime service, a first message is transmitted from the terminal to the network and the first message is received in the network. The network identifies the first message as a radio resource request for the packet switched implementation of a realtime service and allocates to the terminal the requested radio resource for the packet switched implementation of the realtime service. A wireless terminal and network element relating to the method are also provided.

Abstract: The object of the invention is a method for allocating a radio resource in a packet switched data transmission system, such as GPRS (General Packet Radio Service), which data transmission system comprises terminals and a network. In the method, terminals communicate with the network over the radio interface by using the packet transfer mode, and for communication, a radio resource is allocated to the terminal. For allocating the radio resource, the terminal sends a message to the network. In particular, for allocating a radio resource for the packet switched implementation of a realtime service, a first message is transmitted from the terminal to the network and said first message is received in the network. The network identifies said first message as a radio resource request for the packet switched implementation of a realtime service and allocates to the terminal the requested radio resource for the packet switched implementation of the realtime service.

Abstract: A method for allocating radio resources in a packet-switched data transmission system in two phases, in which system a terminal is capable of communicating with a network over a radio interface by using packet transfer mode, including: generating and sending from the terminal to the network a first radio resource request for allocating a radio resource for transmission of a second radio resource request; generating and sending from the terminal to the network, after the network allocates the requested radio resource, the second radio resource request for allocating a radio resource to the terminal for packet-switched communication, wherein the second radio resource request comprises an express indication on whether the radio resource is requested for a real-time service, and wherein the radio resource request is implemented by a protocol layer which defines procedures that enable radio resources to be allocated and divided among multiple users.