Tianyi mobile phone, send a text message to the mobile phone, and the other party often can't receive it?

Mobile companies monitor short messages sent by other operators to mobile. If there are more than 200 messages per hour or there is advertising-related text in the content, it will be blacklisted. Blacklist users can't send short messages to mobile company users. In this case, you can call 10000, and the mobile company will actively coordinate and solve it. At the same time, users are advised to control the frequency of sending short messages. Click on "official website" Customer Service 2 17 below for more service offers.