Group communication in communication system
First Claim
Patent Images
1. A method of informing group members about usable media types in a group in a communication system providing group communication service, comprising:
- advertising a group by sending at least one message to at least one intended group member; and
adding to the message advertising the group an indication of usable media types in the group, wherein the usable media types contain at least one media type.
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Abstract
In a communication system providing a group communication service and advertisement of an existing and newly created group, information on usable media types in the group is sent to group members in a message advertising the group. The message contains either a new field for the information or an existing field is extended to contain the information.
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Citations
22 Claims
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1. A method of informing group members about usable media types in a group in a communication system providing group communication service, comprising:
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advertising a group by sending at least one message to at least one intended group member; and
adding to the message advertising the group an indication of usable media types in the group, wherein the usable media types contain at least one media type. - View Dependent Claims (2, 3)
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4. A signaling message, which is an advertisement of a group in a communication system providing a group communication service, the signaling message comprising:
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information on usable media types in the group, wherein the usable media types contain at least one media type. - View Dependent Claims (5, 6, 7, 8, 9)
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10. User equipment supporting group communication, the user equipment being configured to:
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advertise a group by sending a signaling message containing information on usable media types in the group, wherein the usable media types contain at least one media type. - View Dependent Claims (11, 12)
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13. User equipment supporting group communication, wherein the user equipment is configured to:
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receive a signaling message advertising a group and containing information on usable media types in the group; and
store the usable media types in the group, wherein the usable media types contain at least one media type.
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14. A group communication server for a communication system providing a group communication service, the group communication server being configured to:
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advertise a group by sending a signaling message containing information on usable media types in the group, wherein the usable media types contain at least one media type. - View Dependent Claims (15, 16)
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17. A computer program embodied in a computer-readable medium and comprising program instructions, wherein execution of said program instructions causes a device containing the computer program product to form a signaling message for advertising a group, the signaling message comprising:
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information on usable media types in the group, wherein the usable media types contain at least one media type. - View Dependent Claims (18, 19, 21, 22)
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20. A signaling message, comprising:
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advertisement of a group in a communication system providing a group communication service; and
information on usable media types in the group, wherein the usable media types contain at least one media type.
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Specification