Signaling method for internet telephony
First Claim
1. In a computer network, a method by which a first party on the network can transfer a communication connection with a second party on the network to a third party on the network, the method comprising the steps of:
- having the first party instruct the second party to establish a communication connection with the third party; and
informing the first party as to the status of the establishment of a communication connection between the second party and the third party; and
terminating the communication connection between the first party and the second party concurrent with, or in response to, a communication connection between the second party and the third party being successfully established,wherein the first party sends the second party a request message including a header field containing the third party and acting to instruct the second party to establish a communication connection with the third party.
4 Assignments
0 Petitions
Accused Products
Abstract
A method for creating, modifying, and terminating connections between Internet end systems, particularly, although not exclusively, for Internet telephony communication. The method relies on several request messages sent between a client and a server and the response messages sent back in response. Each request and response message may contain one or more header fields which modify or more uniquely link the messages with a given connection. On this basis, advanced telephony services, such as call forwarding, call transferring, and multiparty conferencing are provided.
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Citations
17 Claims
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1. In a computer network, a method by which a first party on the network can transfer a communication connection with a second party on the network to a third party on the network, the method comprising the steps of:
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having the first party instruct the second party to establish a communication connection with the third party; and informing the first party as to the status of the establishment of a communication connection between the second party and the third party; and terminating the communication connection between the first party and the second party concurrent with, or in response to, a communication connection between the second party and the third party being successfully established, wherein the first party sends the second party a request message including a header field containing the third party and acting to instruct the second party to establish a communication connection with the third party. - View Dependent Claims (2)
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3. In a computer network, a method by which a first party on the network can transfer a communication connection with a second party on the network to a third party on the network, the method comprising the steps of:
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having the first party instruct the second party to establish a communication connection with the third party; and upon successfully establishing a communication connection between the second party and the third party, terminating the communication connection between the first party and the second party; wherein said step of terminating the communication connection between the first and second party includes, informing the first party that a status of the establishment of the communication connection between the second and third parties is successful, and after the communication connection between the second and third party is successfully established; having the first party terminate the communication connection between the first and second parties. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10)
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11. A method performed by a first party to transfer the first party'"'"'s communication connection with a second party to a third party, the communication connection being established in a computer network, the method comprising the steps of:
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instructing one of the second and third parties to establish a communication connection with the other; and receiving a status notification informing as to the status of the establishment of a communication connection between the second party and the third party; terminating the first party'"'"'s communication connection with the second party concurrent with, or in response to, the communication connection between the second and third parties being successfully established. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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Specification