Can I check the voice details of the telecom supplementary card?

It is also possible. The supplementary card of China Telecom is also billed independently. You can check the call details. There are many ways. Bring your ID card to the local telecommunications business office to check the calls in the last 6 months. Detailed list. To learn more about service discounts, click the "official website" below and customer service 218 will answer your questions.