Metered payment cellular telephone communication system

Method & systems for providing information to a home...

Method and a central control unit for channel switching in a...

Method and a device for improving the capacity of a GSM base...

Method and a device for mobile telephone supervision

Method and a device for providing digital tickets in a...

Method and a device for signaling a call or a message to its...

Method and a device in a cellular radio system

Method and a system for charging a streaming connection in a...

Method and a system for communicating information to a land...

Method and a system for positioning of an electronic device,...

Method and a system for presenting reminders in a portable...

Method and a system in a cellular network

Method and a system of sharing resources

Method and a system relating to a mobile communication device

Method and an apparatus for determining the pathloss between...

Method and an apparatus for estimating residual noise in a...

Method and an apparatus for positioning system assisted...

Method and an apparatus for reduction of QOS impairments in...

Method and an arrangement for conducting multiple calls simultan