Firstly you need to find out IP address assigned to your HandyTone 286 device.
Pick up the handset and press the button on the HT–286 or dial
*** to use the IVR menu. Next dial
02 and note IP address provided.
To auto provision Grandstream login into web interface of the device and follow steps below:
Advanced Settings 2tab at the top of the page.
p.ssl7.netas Configuration Server Path.
Updatebutton at the bottom of the page.
After a short while your Grandstream adapter will reboot and obtain configuration data from VoIPstudio provisioning service.