Can Unicom's mobile phone receive short messages in Macau?

Users of Unicom's mobile phone number can receive short messages when roaming in Macao, but they need to apply for opening the functions of international long distance, Hong Kong, Macao and Taiwan long distance and international roaming, and then they can receive short messages normally in Macao. How to handle it: log in to the mobile phone business hall client with the service password modified by the mobile phone number, click on the home page-outbound roaming page at will to enter the next page, drop it down to the bottom and click on my international business to enter the handling page.