How to send text messages when roaming in Canada, and how to charge?

Hello, the charges for telecom users roaming here are as follows:

How to use:

Call Chinese mainland.

Call mobile: +86[ mobile number]

For example:+8618918910000;

To call a landline: +86[ area code] [phone number]

For example:+8610xxxxxxxxx (10 is the Beijing area code).

Call the roaming place

Dial the local number directly.

Call other countries and regions.

Call the mobile phone:+[country code] [mobile phone number];

To call a fixed line:+[country code] [area code] [phone number]

Send SMS to Chinese mainland: send it directly;

Send SMS to other countries and regions: 00 [country code] mobile phone number.

1, open the international/Hong Kong, Macao and Taiwan data roaming function (it is recommended to open it before leaving the country and confirm whether it is successful);

2. Turn on the data roaming switch of the mobile phone;

3. Turn on the data access switch of the mobile phone.