Patent ID: 6188882
Filing Date: 2001-02-13
Classification: H04W

Abstract:
A method for allocating emergency speech items in a mobile communication system comprising a network infrastructure, a first subscriber station connected to it and having an identifier, and at least one other subscriber station, said method comprising the following steps:maintaining a group call consisting of speech items between the first subscriber station and at least one other subscriber station,transmitting an emergency speech item demand from the first subscriber station, which is in an emergency, to the network infrastructure,transmitting an emergency speech item grant message from the network infrastructure to the first subscriber station,transmitting, to said at least one other subscriber station, emergency speech item information containing the identifier of the first subscriber station and indicating that an emergency speech item has been allocated to the first subscriber station,in response to said emergency speech item information, informing the user of said at least one other subscriber station that said emergency speech item has been allocated to the first subscriber station.