ayaz_mahmud369

http://www.cfainstitute.org/util ... l_free_numbers.aspx

800-8228-8820

Note: Toll free hotline for mainland China is applicable to the fixed line with IDD facility with two network providers only.

For China Unicom (ex-CNC), it is only accessible to China Unicom's domestic fixed network in North China.
For China Telecom (CT), it is only accessible to China Telecom's domestic fixed network nationwide in South China.