Urgent! Send a message with Unicom, and send 1 message. The system shows that 5 messages were sent and 5 charges were deducted. The other party received 1 messages. How to defend rights? Online, etc

Whether the punctuation mark of your short message exceeds 70 words, Unicom short message is 1 70 Chinese characters at most, which is charged by 2, and so on. If the other party receives a message, the other party's mobile phone may support a long message, so your message will be displayed on the other party's mobile phone. If not, you can go to Unicom business hall or call 10 10 with the sent SMS content and your SMS list.