D-Link DWR-920 - Ussd

46D-Link DWR-920 User Manual
Section 3 - Conguration
USSD
Enter an application activation code and click
the Send button. This will allow you to activate
applications by sending an SMS to your ISP.
Unstructured Supplementary Service Data (USSD) allows ISP-specic applications to be activated with an SMS message.
USSD Code
USSD