fix(call): prevent initiating a second call to the same number (WT-1382)#1238
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fix(call): prevent initiating a second call to the same number (WT-1382)#1238
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When an active or ringing call session already exists for a given handle, a new outgoing call attempt to the same number is blocked and the existing call screen is surfaced instead of putting the call on hold and dialing again.
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Summary
CallBloc.__onMutationControlStartthat checks if a call to the same handle already exists before initiating a new outgoing callminimized: false)Root cause
__onMutationControlStartwas putting any existing call on hold and proceeding unconditionally — there was no guard on the destination number. The fix is a singlefirstWhereOrNullcheck onactiveCallsbefore the hold loop.