Don't correct work digital phone 9508 whith IPO 500v2

[egrits]

Hi,

ip office SW ver. 8.173
9508 phone firmware R 0.45

after install on the phone screen: Button Features: Invalid




where can I get another firmware for thise phone?
how to reset phone to factory default firmware?

Thx.

[furrerm]

What buttons are an that station? If there is a button on the phone, and the matching feature is in the "Features" button on the soft-buttons, you will get that error. Remote the button