Number lookup – How to look up the number of the card on the device and display it
Go to the SMS ——->SMS settings page and turn on three buttons
Under the SMS ——->SMS settings page, open the number inquiry button and set a password.
Go to Advanced ——->Number Inquiry page, turn on the number display switch and save the application.
Enter the port and choose the number inquiry method
Set the number inquiry method to internal gateway inquiry, the target number and the receiving number are both the numbers of any sim card on the gateway.
save and apply