| CPC H04L 65/1069 (2013.01) [H04L 65/1083 (2013.01)] | 20 Claims |

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1. A session switching method, comprising:
establishing a first session with a first terminal in response to a session request initiated by the first terminal;
generating first response information to first request information from the first terminal;
determining a first confidence level of the first response information;
determining, in response to the first confidence level being lower than a confidence level threshold, to switch the first session to a second session between the first terminal and a second terminal;
generating, during the second session, second response information to second request information from the first terminal;
determining a second confidence level of the second response information;
determining to substitute the second terminal in response to the second confidence level being higher than the confidence level threshold; and
establishing a third session with the first terminal.
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