Symptom

Explanation

 

 

The phone shows an

Your phone may reject your attempt to set up Call Forward All directly on

error message when

the phone if the target number that you enter would create a Call Forward

you attempt to set up

All loop or would exceed the maximum number of links permitted in a Call

Call Forward All

Forward All chain (also known as a maximum hop count). Ask your system

 

administrator for details.

 

 

The phone screen does

You may have disabled phone screen illumination on your phone. Contact

not illuminate under

your system administrator to determine if this feature is available to you.

any circumstances

 

 

 

The phone screen

The phone screen appears blank and the Display button flashes. The phone

appears blank and the

is powered down (sleeping) to save energy. The phone will power up (wake)

Display button is lit

when the system sends the wake up message. You cannot wake the phone

 

before its scheduled power up time. To wake up the phone plug in the

 

power adapter. Unplug-plug would not wake up the phone while sleeping.

 

 

Your phone displays

Your phone firmware has identified an internal error. To wake up the

“Security Error”.

phone plug in the power adapter. Unplug-plug would not wake up the

 

phone while sleeping. If the message persists, contact your system

 

administrator.

 

 

Viewing Phone Administration Data

Your system administrator may ask you to access administration data on your phone for troubleshooting purposes.

If you are asked to...

Then...

 

 

 

 

Access network

Choose

> Network Configuration and select the network

configuration data

configuration item that you want to view.

 

 

 

Access status data

Choose

> Status and select the status item that you want to view.

 

 

 

Access phone model

Choose

> Model Information.

information

 

 

 

 

 

Access phone call and

Choose

> Status > Call Statistics.

voice quality

 

 

information

 

 

 

 

 

Access VPN

Choose

> Status > Network Statistics.

performance

 

 

information related to

 

 

the data transmitted

 

 

and received

 

 

 

 

 

2

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Cisco Systems 7970G, 7975G manual Viewing Phone Administration Data, If you are asked to Then