Products Affected: Wave 5.0, Edge IP 9800 series Phones
When trying to change the extension assigned to a physical phone, the phone continues to show up as the old extension.
This should only occur when the extension is set to "Log In to Device" mode. The phone cannot identify the new extension and continues to use the stored credentials.
Verify that this is the problem when the extension won't change by logging in to User/Group Management (see Login to User/Group Management) and open the User record. Check that Log in to Device is checked for the user.
Default the phone and reboot (see Default a 9800 series phone). Make sure that DHCP offers the Wave IP address as the configuration server or manually set the Wave IP VAM as the configuration server in the phone.