The Cisco Unified Wireless IP Phone 7925G-EX is now obsolete (past End-of-Life and End-of-Support status).
End-of-Sale Date: 2016-10-15
End-of-Support Date: 2019-10-31
Cisco's End-of-Life Policy
You can view a listing of available null offerings that best meet your specific needs
If you want support information for the Cisco Unified Wireless IP Phone 7925G-EX documentation, it may be available through Cisco.com Search or in the Cisco Community