What does the credit line of telecom mean?

When the available balance of the user's communication account is less than zero, the overdraft communication consumption limit provided to the user according to the user's credit rating includes basic credit limit and temporary credit limit. The basic credit line is a fixed credit rating period, and the overdraft communication consumption line is automatically calculated by the system according to the user's credit rating and basic credit rules. Temporary credit line is a short-term effective overdraft communication consumption line granted to users on the basis of basic credit line according to their credit rating and communication needs, which is used in conjunction with basic credit line. You can send text message CXXJ to 1000 1 to check the credit of your mobile phone. Customer service 33 answers for you. Guizhou users pay attention to China Telecom's customer service in Guizhou. The official account of WeChat can be paid by WeChat, and the phone bill can be recharged with one click. Traffic, points, bills and detailed bills can be operated by themselves, which is convenient and fast.