| CPC H04L 65/403 (2013.01) [H04L 63/0853 (2013.01); H04L 65/401 (2022.05); H04L 69/14 (2013.01); H04W 4/14 (2013.01)] | 20 Claims |

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8. A system comprising:
a first mobile device;
a second mobile device;
a client device; and
a server configured to:
enable a communication session over a first communication channel between a first mobile device and a client device;
transmit a code for display on the first mobile device and a second mobile device;
compare, to the code, first image data received from the first mobile device and second image data received from the second mobile device; and
transfer the communication session to a second communication channel when the first image data and the second image data match the code.
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