Step 1 Open a web browser and type the IP address of the DCS-3220/DCS-3220G in the address bar. Press Enter.

Step 2 Enter your username and password. Click OK.

Step 3 Click the Advanced tab and then click Audio to the left.

Step 4 Choose one of the following transmission modes using the radio buttons:

• Full-duplex - Talk and listen simultaneously
• Half-duplex - Talk or listen, but not at the same time
• Simplex - Talk only
• Simplex - Listen only
• Disable - Disable audio

If you are experiencing problems with audio (i.e. audio is choppy), check Improve audio quality in low bandwidth environment using the check box.