Dispatch call "cut-in" alert
First Claim
1. A method for providing a dispatch call cut-in alert at a first radio communication device, comprising the steps of:
- (a) establishing a dispatch call between the first radio communication device and at least a second radio communication device;
(b) storing at the first radio communication device an identification (ID) of the second radio communication device;
(c) determining if another dispatch call with a radio communication device has been established; and
(d) comparing the ID stored in step (b) for the second radio communication device with an ID of the radio communication device establishing the dispatch call in step (c); and
(e) providing a cut-in alert at the first radio communication device if in step (d) it is determined that the IDs do not match.
1 Assignment
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Accused Products
Abstract
A method for providing a cut-in alert includes the steps of storing the dispatch ID of the other party involved in a dispatch call (308). If the dispatch channel has been inactive for a predetermined period of time (314) and a new dispatch call is established (324) because of the inactivity, the radio then compares the dispatch ID previously stored with the dispatch ID of the telephone involved in the new dispatch call, if the ID'"'"'s are different, a cut-in alert is provided to the user (330). The cut-in alert helps the telephone user avoid mistakenly thinking he is still communicating with the previous person he was involved in the dispatch call with. A communication device (520) is also described that provides the cut-in alert feature.
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Citations
20 Claims
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1. A method for providing a dispatch call cut-in alert at a first radio communication device, comprising the steps of:
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(a) establishing a dispatch call between the first radio communication device and at least a second radio communication device;
(b) storing at the first radio communication device an identification (ID) of the second radio communication device;
(c) determining if another dispatch call with a radio communication device has been established; and
(d) comparing the ID stored in step (b) for the second radio communication device with an ID of the radio communication device establishing the dispatch call in step (c); and
(e) providing a cut-in alert at the first radio communication device if in step (d) it is determined that the IDs do not match. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for providing an alert to the user of a first communication device involved in a dispatch call with a second communication device when a cut-in to the dispatch call occurs, comprising the steps of:
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(a) storing an ID of the second communication device;
(b) starting a cut-in timer once a traffic channel assigned to the dispatch call has been released;
(c) determining if the first communication device is part of a new dispatch call; and
(d) comparing the ID stored in step (a) with the ID of a radio communication device establishing the dispatch call of step (c). - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A radio communication device operable in a communication system that allows for dispatch calls between two or more radio communication device, the radio communication device comprising:
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a radio frequency receiver and transmitter section for receiving and transmitting messages;
a controller coupled to the radio frequency receiver and transmitter section;
a memory coupled to the controller; and
the controller in response to the radio communication device establishing a dispatch call with a second radio communication device, storing in the memory the ID of the second radio communication device and comparing this ID to the ID of any radio communication device establishing a subsequent dispatch call with the radio communication device. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification