Method to process a call request
First Claim
1. A method of establishing a communication session in a packet-based network, the method comprising, in a communication session controller:
- receiving a communication session request from an originating device, the communication session request comprising a destination address;
establishing a communication session with the originating device, the communication session including a communication session identifier;
based on the destination address, setting up a first media path between the originating device and a first destination device, the first media path not including the communication session controller;
taking down the first media path between the originating device and the first destination device while maintaining the communication session with the originating device; and
after taking down the first media path, setting up a second media path in the communication session using the communication session identifier, the second media path extending between the originating device and a second destination device, the second media path not including the communication session controller.
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Accused Products
Abstract
Establishing a communication session in a packet-based network. A communication session request is received from an originating device. The communication session request includes a destination address. A communication session is established with the originating device. The communication session includes a communication session identifier. Based on the destination address, a first media path is set up between the originating device and a first destination device, the first media path not including a communication session controller. The first media path between the originating device and the first destination device is taken down while maintaining the communication session with the originating device. After taking down the first media path, a second media path in the communication session is set up using the communication session identifier. The second media path extends between the originating device and a second destination device, the second media path not including the communication session controller.
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Citations
21 Claims
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1. A method of establishing a communication session in a packet-based network, the method comprising, in a communication session controller:
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receiving a communication session request from an originating device, the communication session request comprising a destination address; establishing a communication session with the originating device, the communication session including a communication session identifier; based on the destination address, setting up a first media path between the originating device and a first destination device, the first media path not including the communication session controller; taking down the first media path between the originating device and the first destination device while maintaining the communication session with the originating device; and after taking down the first media path, setting up a second media path in the communication session using the communication session identifier, the second media path extending between the originating device and a second destination device, the second media path not including the communication session controller. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification