Ussd - D-Link DWR-921 User Manual

DWR-921 4G LTE Router
User Manual

USSD

On the LTE Modem / Modem 1 / USSD page, you can send a USSD command for the SIM
8
card.
USSD (Unstructured Supplementary Service Data) is a technology which provides real-time
message exchange between a subscriber and a mobile operator's special application. USSD
commands are often used to check the SIM card balance, receive data on the rate plan or service
packets, etc.
In the Number field, enter a USSD command and click the SEND button. After a while, the
results will be displayed in the Response field.
8 Contact your operator to get information on USSD commands and their functions.
Figure 138. The LTE Modem / Modem 1 / USSD page.
Page 172 of 255
Configuring via Web-based Interface