D-Link DIR-825 Quick Installation Manual page 21

DIR-825
6. If you need to specify other settings, in the PPP section, enter
authorization data provided by your operator (the username (login) in the
Username field and the password in the Password and Password
confirmation fields), or select the Without authorization checkbox if
authorization is not required. In the APN field, enter the access point
name (for GSM USB modems only), and in the Dial number field, enter
the number dialed to connect to the authorization server of the operator.
7. Click the Save button.
8. On the Net / WAN page, select the choice of the Default gateway radio
button corresponding to the new 3G WAN connection.
Quick Installation Guide
21