Disable the Add Call option from CallKit

Question

Is there a way to disable the “Add Call” option from Callkit when receiving a VoIP call ?

I could not find api to disable this. But WhatsApp has disabled this feature.

Answer 1

Set the properties supportsGrouping, supportsUngroupingand supportsHoldingfalse CXCallUpdateto call.

Answer 2

You need to set the parameter supportsGrouping, supportsUngroupingand supportsHoldingfalse on CXCallUpdate and install maximumCallGroups, and maximumCallsPerCallGroup1 in CXProviderConfiguration.