CAllCrmSonetSubscription::Register

public function Register($entityTypeID, $entityID, $typeID, $userID);
abstract public function UpdateByEntity($entityTypeID, $entityID, $typeID, $userID);
abstract public function UnRegister($entityTypeID, $entityID, $typeID, $userID, $options = array());
abstract public function UnRegisterByEntity($entityTypeID, $entityID);
abstract public function ImportResponsibility($entityTypeID, $userID, $top);

public static function RegisterSubscription($entityTypeID, $entityID, $typeID, $userID)
{
	return self::GetCurrent()->Register($entityTypeID, $entityID, $typeID, $userID);
}