CAllCrmActivity::GetDefaultStorageTypeID

static function GetDefaultStorageTypeID()
{
	if(self::$STORAGE_TYPE_ID === StorageType::Undefined)
	{
		self::$STORAGE_TYPE_ID = intval(CUserOptions::GetOption('crm', 'activity_storage_type_id', StorageType::Undefined));
		if(self::$STORAGE_TYPE_ID === StorageType::Undefined
			|| !StorageType::isDefined(self::$STORAGE_TYPE_ID))
		{
			self::$STORAGE_TYPE_ID = StorageType::getDefaultTypeID();
		}
	}
	return self::$STORAGE_TYPE_ID;
}