System for negotiating conferencing capabilities by selecting a subset of a non-unique set of conferencing capabilities to specify a unique set of conferencing capabilities
First Claim
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1. A computer-implemented process for negotiating conferencing capabilities, comprising the steps of:
- (a) transmitting a request from a first node to a second node to establish a point-to-point conference between the first node and the second node, wherein;
the request identifies a first non-unique set of conferencing capabilities of the first node; and
a set of conferencing capabilities is unique only if each conferencing capability of the set of conferencing capabilities is specified uniquely;
(b) transmitting a response from the second node to the first node, wherein;
the response identifies a second set of conferencing capabilities of the second node; and
the second set is a subset of the first set and the second set corresponds to fewer conferencing capabilities than the first set; and
(c) conferencing between the first node and the second node based on the second set only if the second set is a unique set of conferencing capabilities.
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Abstract
Conferencing nodes transmit messages back and forth to negotiate characteristics for their conferencing session. The messages identify different sets of conferencing capabilities supported by the conferencing nodes. A first node transmits a request to a second node, wherein the request identifies a first set of conferencing capabilities of the first node. The second node transmits a response to the first node, wherein the response identifies a second set of conferencing capabilities of the second node and the second set is a subset of the first set. The first node and second node conduct conferencing based on the second set.
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Citations
28 Claims
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1. A computer-implemented process for negotiating conferencing capabilities, comprising the steps of:
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(a) transmitting a request from a first node to a second node to establish a point-to-point conference between the first node and the second node, wherein; the request identifies a first non-unique set of conferencing capabilities of the first node; and a set of conferencing capabilities is unique only if each conferencing capability of the set of conferencing capabilities is specified uniquely; (b) transmitting a response from the second node to the first node, wherein; the response identifies a second set of conferencing capabilities of the second node; and the second set is a subset of the first set and the second set corresponds to fewer conferencing capabilities than the first set; and (c) conferencing between the first node and the second node based on the second set only if the second set is a unique set of conferencing capabilities. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A computer system for negotiating conferencing capabilities, comprising:
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(a) a first node; and (b) a second node, wherein; the first node transmits a request to the second node to establish a point-to-point conference between the first node and the second node, wherein; the request identifies a first non-unique set of conferencing capabilities of the first node; and a set of conferencing capabilities is unique only if each conferencing capability of the set of conferencing capabilities is specified uniquely; the second node transmits a response to the first node, wherein; the response identifies a second set of conferencing capabilities of the second node; and the second set is a subset of the first set and the second set corresponds to fewer conferencing capabilities than the first set; and the first node and second node conduct conferencing based on the second set only if the second set is a unique set of conferencing capabilities. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification