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Is there a charge for SMS sent by Tianyi customer service client?

Other messages sent by SMS customer service and their reply messages are free. 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. Customer service 4 1 answers for you.