Unwired Planet, LLC

Jörg Schrader

John Kerr

Patrice Hédé

Technology for method for reducing the number of unsuccessful service change attempts of a first mobile terminal is presented. The first mobile terminal is connectable via a mobile network to a further terminal by establishing a call connection for providing a first service or by establishing a call connection for providing a second service. The first mobile terminal receives a first indication signal indicating that a service change to the second service is temporarily unavailable from a mobile network node administrating an established call connection for providing the first service. In response to receiving the first indication signal, the first mobile terminal refrains from requesting a service change to the second service until reception of a further indication signal from the mobile network node indicating that a service change is available again.

Mobile network node and mobile terminal for performing a signalling method in a mobile network

A method for reducing the number of unsuccessful service change attempts of a first mobile terminal is presented. The mobile terminal () is connectable via a mobile network to a further terminal by establishing a call connection for providing a first service or by establishing a call connection for providing a second service. The method comprises the following steps performed by the first mobile terminal (): receiving (S) a first indication signal () indicating that a service change towards the second service is temporarily unavailable from a mobile network node () administrating an established call connection for providing the first service, and in response to receiving the first indication signal () refraining (S) from requesting a service change towards the second service until reception of a further indication signal () from the mobile network node () indicating that a service change is available again.

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Aachen, Germany

Jörg Schrader