I'm roaming in Bangladesh. How can I answer the phone? What tariff standards?

Bangladesh can use C and G networks to roam. It is recommended to bring dual-mode mobile phones or G /C mobile phones, and provide a free customer service hotline. C network: call back Chinese mainland "0086 called number" 2.99 yuan/minute; Dial roaming local telephone "direct dial called number" 2.99 yuan/minute; Answer the phone 2.99 yuan/minute; Send a text message to "directly enter the other party's number" 1.29 yuan/in Chinese mainland and receive the text message for free. G network: call Chinese mainland "+86 called number" 15.99 yuan/minute, or "** 133*86 called number #" 5.99 yuan/minute; Dial roaming local phone "direct dial called number" 4. 19 yuan/min; Answer the phone 5.99 yuan/minute; Sending a short message to Chinese mainland "directly enter the other party's number" is 2.29 yuan/piece, and receiving short messages is free. (The above charges are applicable to Tianyi UIM card for reference only) For more service concessions, click on "official website" customer service 222 below to answer your questions.