What are the functions of "China Telecom Call Payment"?

1. payment function: users of China Telecom's phone bill payment service use China Telecom's phone bill to pay on the merchant's website. The main payment methods include: SMS verification code payment, payment password payment, merchant authorization withholding and so on.

2. Query function: log in to Wing Payment Portal to query and set the following functions: order transaction query function, user information query, user transaction limit query, user transaction limit setting, user remaining limit query, user refund and user refund record query.