Panasonic KX-TGP550 - Telephone Operation; Basic Functions Overview; Mobile Handset Overview

Instead of logging in with admin/adminpass you will need to reboot the phone and turn on the web in the
handset again and login using super user login customerserviceid/cspass.
You will get a “403 Forbidden error” if you just log out and try to log back with these credentials. It is important to
reboot and enable the web UI again.
1. Click maintenance
2. Reset to Defaults
3. Reset to Factory Defaults