Mute incoming call notifications while currently on a call for Mobile App
while on a Carrier call, and RC Mobile App will have another call, mobile device will still ring. Requesting to have the same function with desktop app. Call waiting audio alert. Mobile app's option is only to enable or disable notification settings for incoming calls.

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Junk commented
this is a serious problem anyone using that appon the phone cannot talk in peace as long the seconf incoming call is still ringing that is a hige issue and it should be resolved as soon as possible, it is very supprising to see that you still haven't fix this problem i thought it was a Bug.
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Danielle commented
call waiting audio alert setting not available in the mobile app which does not give users to manage audio as intended.