Windows XP and later operating systems provide a built-in firewall. Please make sure accessing Voicent Gateway is enabled. From Windows Control Panel, you can access Windows firewall, click on the Advanced tab, then choose Local Area Connection, click on the … Continue reading →

First invoke Norton Protection Center by clicking its icon on the Windows toolbar. From the main window, select Norton Security Online tab. Then choose Settings > Additional Options > Internet Security and Firewall Options. Please note, your Norton version might … Continue reading →