| CPC H04L 65/80 (2013.01) | 14 Claims |

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1. An electronic device comprising:
a memory storing a first codec and a second codec having lower performance than the first codec;
communication circuitry; and
a processor,
wherein the processor is configured to:
receive, from a server related to a video call, performance information of external electronic devices participating in the video call,
determine whether to perform encoding using the first codec based on the performance information, and
control the communication circuitry to transmit, to the server, a plurality of image streams including a first image stream encoded using the first codec and a second image stream encoded using the second codec based on the determination,
wherein the number of the plurality of image streams is determined based on a quality of channel used by the electronic device.
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