...
2.1 Login the phone's webpage and click Network?Advanced Network→Advanced
2.2 Click 
button, and choose the configuration file.
For example: client.tar
2.3 Click 
.
2.4 Choose Yes to Active VPN: 
2.5 Click 
to save the configuration and then a window pops up:
2.6 Click "OK" and then the IP Phone will reboot.
2.7 Then VPN address will display on Home—Status.
...
Precondition:
You must import the config file via Web first: click Network?Advanced?choose file?importNetwork→Advanced→choose file→import
3.1 Import the config file via web: refer to 2.1—2.3 Precondition
3.2 Press Menu?Setting?Advanced Menu→Setting→Advanced Setting (default password: admin)?Network?VPN →Network→VPN
3.3 Set "VPN Active" to be "Enable", and press the "Save" button or OK key;
3.4 A Note pops up and then Press OK to Reboot the phone.
3.5 Then VPN address will display on Status (Press Network Button)
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