The telecommunication system didn't get the number information.

If you don't get the information of a number when you use the telecommunication system to query it, there may be several reasons:

1. This number may not belong to your telecom operator, so the relevant information cannot be displayed when inquiring.

2. This number may belong to a telecom operator in another area and needs to be queried in the corresponding area.

3. If you use SMS to query, please confirm whether you have used the correct query method and entered the correct number.

4. If all the above methods have been tried, but the information of this number still cannot be obtained, it may be because the relevant information of this number has been deleted or changed. You can try to contact the customer service of the local telecom operator for consultation.

I hope this information can help you solve the problem. If you have any other questions or need further help, please feel free to contact me.