The Cisco Unified IP Phone 500 Series has been retired and is no longer supported.
End-of-Sale Date: 2010-04-30
End-of-Support Date: 2015-05-01
Cisco's End-of-Life Policy
For a replacement, we recommend the Cisco Small Business SPA500 Series IP Phones
You can view a listing of available IP Phones offerings that best meet your specific needs
If you want support information for the Cisco Unified IP Phone 500 Series documentation, it may be available through Cisco.com Search or in the Cisco Community