Yes, I found the same question.
wangkai888
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` CXCallUpdate *update = [CXCallUpdate new];
update.supportsGrouping = false;
update.supportsHolding = false;
update.supportsDTMF = false;
update.supportsUngrouping = false;
update.hasVideo = YES;
[self.provider reportNewIncomingCallWithUUID:uuid update:update completion:^(NSError * _Nullable error) {
}]; `