Allocating emergency speech items in a mobile communication system
First Claim
1. 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.
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Accused Products
Abstract
A method for allocating emergency speech items in a mobile communication system comprising a network infrastructure (BS), a first subscriber station (MS1) connected to it, and at least one other subscriber station (MS2, MS3), the method comprising maintaining a group call consisting of speech items between the first subscriber station (MS1) and at least one other subscriber station (MS2), transmitting an emergency speech item demand (101) from the first subscriber station (MS1), which is in an emergency, to the network infrastructure (BS), and transmitting an emergency speech item grant message (102) from the network infrastructure to the first subscriber station. The method further comprises transmitting, to the at least one other subscriber station (MS2, MS3), emergency speech item information (103) containing the identifier of the first subscriber station (MS1) and indicating that an emergency speech item has been allocated (102) to the first subscriber station. In response to the emergency speech item information (103), the user of the at least one other subscriber station (MS2, MS3) is informed that an emergency speech item has been allocated (102) to the first subscriber station.
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Citations
30 Claims
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1. 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:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A mobile communication system comprising:
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a network infrastructure, and a first and at least one other subscriber station, each having an identifier, which are connected to the network infrastructure and which are capable of communicating in a group call divided into speech items, the network infrastructure comprising means responsive to an emergency speech item demand sent by the first subscriber station for transmitting, to 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. - View Dependent Claims (26, 27)
means responsive to an emergency speech item demand sent by a third subscriber station for transmitting an emergency notification message indicating that the third subscriber station has requested an emergency speech item to the subscriber stations participating in the group call. -
27. A mobile communication system according to claim 26, wherein the network infrastructure further comprises
means for transmitting an emergency list containing the identifiers of the subscriber stations that are in an emergency at that moment to subscriber stations.
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28. A subscriber station of a mobile communication system, comprising
a transceiver for participating in a call divided into speech items, a control unit for controlling the operation of the subscriber station, a user interface for indicating information to the user of the subscriber station, first indication means responsive to emergency speech item information which is received by the subscriber station and which indicates that an emergency speech item has been allocated to another subscriber station for indicating the situation in question to the user of said subscriber station.
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29. A subscriber station of a mobile communication system, comprising
a transceiver for participating in a call divided into speech items, a control unit for controlling the operation of the subscriber station, a user interface for indicating information to the user of the subscriber station, second indication means responsive to an emergency notification message which is received by the subscriber and which indicates that another subscriber station participating in the call has requested an emergency speech item for indicating, to the user of said subscriber station, that another subscriber station participating in the call has requested an emergency speech item.
Specification