I'm going to Brazil recently. How much do I charge for calling back to China?

there are the following kinds of communication expenses incurred when you use your mobile phone in Brazil; 1. The charging standard for calling back to Chinese mainland: 2.99 yuan/minute, calling the third country/region: 3 yuan/minute, calling the roaming place: .99 yuan/minute, being called: 2.99 yuan/minute, and calling back to **133: 2.99 yuan/minute; 2. SMS charging standard: sending SMS to Chinese mainland: .39 yuan/article, receiving: free, sending SMS to other countries and regions: 1.29 yuan/article; 3. Internet charging standard: mobile Internet access: 9 yuan /3MB, WiFi: 1 yuan/minute, MIFI：128 yuan/day. Dialing method: 1. Call the mainland mobile phone: +86[ mobile phone number] Example: +861891891, call the fixed line: +86[ area code] [phone number] Example: +86563XXXXXXXX(563 is the area code of Xuancheng, Anhui) 2. Call the roaming place and dial directly 3. Call the third country/region. Call the fixed line:+[third country code] [area code] [telephone number Tips: You should make the following preparations before going abroad: First, please change the Tianyi international card in the local business hall and open the rights of voice international roaming and data international roaming; At the same time, a certain fee is pre-stored to avoid inconvenience caused by downtime due to insufficient fees during going abroad. For more service offers, click on the "official website" customer service 217 below to answer your questions.