When you roam in Hong Kong, you can enjoy the preferential tariff of using the secondary number to communicate by choosing the network provided by Hong Kong Internet Roaming:
Call all numbers in the mainland: 0.69 yuan/minute; Call Hong Kong number: 0.39 yuan/minute; Call Macau and Taiwan Province Province: 1.29 yuan/min; International call: 9.9 yuan/min.
The major number and minor number are both 0.39 yuan/minute.
Send short messages to the mainland: 0. 19 yuan/article; Send SMS to operators in Hong Kong, Macao and Taiwan: 0.99 yuan/message; Send SMS to other countries and regions: 1.99 yuan/article.
The primary number and the secondary number receive short messages for free.
Tips: In order to ensure your normal communication when roaming in Hongkong, when you use the "automatic network selection" mode, once you get out of the coverage area of "China Mobile Wanzhong" network or when the network signal of other operators is strong, you will use your main number for communication, and you will not enjoy the preferential tariff of using the secondary number for communication at this time. Therefore, when you are doing business, I would like to remind you that when roaming in Hongkong, please select the network of China Mobile Wanzhong through "Manual Network Selection" to ensure that you can enjoy the preferential tariff of using the secondary number for communication.
For your reference.