The platform is a 2801 router running
OS Description Cisco Internetwork Operating System
Cisco IOS (tm) C2801
Cisco IOS Software C2801-SPSERVICESK9-M
Software Version 12.4(15)T1 / CME 4.1(0)
Feature Package IP|FIREWALL|VOICE|PLUS|SSH|3DES
GUI Version 220.127.116.11 (Compatible with IOS 12.4(11)XJ)
In the GUI when I attempt to add a phone, I can find the MAC of the phone and go through the motions to add it, click save and I get an Error on page at the bottom of the IE browser.
Error: 'value' is null ornot an object
What is the cause of this? Is it the GUI installed with this version?