Unicom's number is not open for international roaming. Do you need money to receive short messages abroad?

It is free to receive short messages when roaming internationally. To use a mobile phone card overseas, you need to apply for opening international roaming with Taiwan, Hong Kong and Macao, and international long-distance functions with Taiwan, Hong Kong and Macao before you can use it.

Open mode: 1. Bring the original valid certificate to Unicom business hall to apply for opening.

2, through the online business hall www. 100 10.com, business handling-international business-international and roaming in Taiwan, Hong Kong and Macao.

Details of the international and roaming charges for Taiwan, Hong Kong and Macao can be found in the online business hall.