Cisco configuration

The default username password is admin/admin

to configure the extension go to the EXT1 tab and make sure to put both NAT settings to YES:

 Scroll down and add the proxy server

Display name and USER ID is the extension and password is the extension password

Scroll down again and add |*x. to the dialplan

Change the display name and change the voicemail number to *97.

Also, change line key to ext 1

In Regional section, Change the call pickup code. By default is *97 change it to something like *997. To see this option make sure you are in the advanced tab in the top right corner.

Scroll down and change the timezone to the correct one