Call::delete

static function delete($callId)
{
	$childCalls = static::getChildCalls($callId);
	$callsToDelete = array_merge($childCalls, [$callId]);

	CallUserTable::deleteBatch([
		'=CALL_ID' => $callsToDelete
	]);

	foreach ($callsToDelete as $deletedCallId)
	{
		$callInstance = static::load($deletedCallId);
		if($callInstance)
		{
			CallTable::delete($callInstance->getId());
		}
		unset(static::$instances[$deletedCallId]);
	}
}