You are not connected to Extension Mobility service.
The system requires a Client Matter Code (CMC) or Forced
Authorization Code (FAC) after dialing a number. (SCCP phones only.)
Your phone has time-of-day restrictions that prevent you from
using some features during certain hours of the day.
Try the following:
Log into the Extension Mobility service.
Enter a CMC or
FAC after dialing a number. (SCCP phones only.)
Change the time-of-day restrictions that prevent you from using
some features during certain hours of the day. For more information, contact your
The softkey that you want to use does not appear.
One or more of the following factors might apply:
There are additional
softkeys to display.
The state of the line
determines the phone softkeys.
Your phone is not
configured to support the feature associated with that softkey.
Use one of these options:
More to reveal additional softkeys.
Change the line state (for
example, go off-hook or have a connected call).
Contact your system
administrator to request access to the feature.
Cannot Use CallBack
The other party might have Call Forward enabled.
Call Forward All Error Message
The phone shows an error message when you attempt to set up
Call Forward All.
Your phone may reject your attempt to set up Call Forward All
directly on the phone if the target number that you enter would create a Call
Forward All loop or would exceed the maximum number of links permitted in a
Call Forward All chain (also known as a maximum hop count).
Contact your system administrator for details.
The phone screen appears blank and the Display button is not
The phone is powered down (sleeping) to save energy.
The phone will power up (wake) when the system sends the wake up
message. You cannot wake the phone before its scheduled power up time.
Security Error Message
Your phone displays
Your phone firmware has identified an internal error.
If the message persists, contact your system administrator.
Cannot Access Settings Menu
The Setting menu is not available in the Application menu.
Your system administrator may have disabled Settings on your phone.
Contact your system administrator.
Phone Troubleshooting Data
Your system administrator may ask you to access
administration data on your phone for troubleshooting purposes.
If you are asked to...
Access network configuration data
() > Settings > Network
Configuration and select the network configuration
item that you want to view.
Access status data
() > Settings > Status
and select the status item that you want to view.
Access phone model information
() > Settings > Model
Access phone call and voice quality information
() > Settings > Status > Call
Quality Reporting Tool
Your system administrator may temporarily configure your phone
with the Quality Reporting Tool (QRT) to troubleshoot performance problems. Press
QRT to submit information to your system
administrator. Depending on the configuration, use the QRT to:
Immediately report an audio problem on a current call
Select a general problem from a list of categories and choose reason