Is there a SMS reminder after opening international roaming?

There is a short message notification. Content of SMS notification: Dear customer, you have opened the authority of international roaming and international long-distance service of China Unicom on XX, and the international roaming voice, SMS, MMS and data access services are opened by default. Free customer service hotline during international roaming+8618618610010. Not enough traffic? Half a year's traffic is easy to get! The flow is not cleared across months and is valid for half a year. /sAAGl enjoys a 20% discount.