Help Center> SparkRTC> FAQs> SDK Usage> Why Can't the SparkRTC Apps Running on Two Mobile Phones Communicate with Each Other?
Updated on 2022-10-10 GMT+08:00

Why Can't the SparkRTC Apps Running on Two Mobile Phones Communicate with Each Other?

Check whether the roomIds of the two mobile phones are the same. Interaction in one room is supported only when the roomIds are the same and the userIds are different. SparkRTC does not allow using one userId on two devices at the same time.

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