Nortel M3820 Installation And Administration Manual page 222

Troubleshooting
4 Click on the OK button.
Result: The PING test window displays, showing the PING results. The
following is an example of a successful PING.
The following is an example of an unsuccessful PING.
5 Click on the Close button.
Result: The PING test window closes.
222 Digital Telephone IP Adapter Installation and Administration Guide
Standard 2.1