5. Click on the Submit button to add an extension so we can test the gateway using it when
we finish the entire configuration, see Figure 4-3. This will take you to the Add SIP
Extension page.
Figure 4-3. Add an Extension
6. On the Add SIP Extension page (Figure 4-4), fill in the following information:
• User Extension (302 in this example)
• Display Name (“IPPhone” in this example)
• secret (‘h7Dka3Rf9si0t’ in this example)
Figure 4-4. Add SIP Extension
7. Click on the “Submit” button at the end of the page and you will see a similar page on
Figure 4-5 displaying the “Apply Configuration Changes Here” pink ribbon on top of
the screen. Click on there to apply changes.