Method for transferring session in converged Internet protocol messaging system
First Claim
1. A method for transferring a session between multiple devices by a target device, comprising:
- selecting, by the target device, a first session established between a source device and a remote device, and sending a session transfer request for the first session to a call server;
establishing a second session with the call server after sending the session transfer request and before a completion of the session transfer;
acquiring, from the call server, through the second session, temporarily stored data that has been transmitted from the remote device via the first session after the session transfer request is sent and a session history of the first session;
sending a message indicating a completion for a reception of the temporarily stored data and the session history to the call server through the second session; and
establishing a third session with the call server to transfer the first session to the target device.
1 Assignment
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Accused Products
Abstract
A method is provided for transferring a session between multiple devices by a target device, in which the target device selects a particular session of a source device and sends a request for session transfer for the selected session to a call server, the target device acquires from the call server data that has been transmitted from the remote party'"'"'s device of the particular session and temporarily stored in the call server after the session transfer request, and the target device sends a message indicating completed acquisition of the temporarily stored data to the call server, and receives the particular session transferred in response thereto.
51 Citations
14 Claims
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1. A method for transferring a session between multiple devices by a target device, comprising:
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selecting, by the target device, a first session established between a source device and a remote device, and sending a session transfer request for the first session to a call server; establishing a second session with the call server after sending the session transfer request and before a completion of the session transfer; acquiring, from the call server, through the second session, temporarily stored data that has been transmitted from the remote device via the first session after the session transfer request is sent and a session history of the first session; sending a message indicating a completion for a reception of the temporarily stored data and the session history to the call server through the second session; and establishing a third session with the call server to transfer the first session to the target device. - View Dependent Claims (2, 3, 4)
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5. A method for transferring a session between multiple devices in a call server, comprising:
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receiving a session transfer request for a first session of a source device from a target device; beginning, upon receiving the session transfer request, temporary storage of data transmitted from a remote party device via the first session after receiving the session transfer request; establishing a second session with the target device after receiving the session transfer request and before a completion of the session transfer; if the of the second session is completed, ending the temporary storage of data and transmitting the temporarily stored data and a session history of the first session to the target device through the second session; and establishing a third session with the target device to transfer the first session to the target device upon receiving a message indicating a completion for a reception of the temporarily stored data and the session history from the target device. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification