78 28xx CIP-D User Guide
Speakerphone does not work
- Check that the speakerphone light is
lit when
SPEAKER is pressed.
- Check the Speakerphone volume.
See VOLUME section on page 75.
Headset does not work
- Verify the headset is securely
plugged into the headset jack.
- Check that the headset light is lit
when
HEADSET is pressed.
- Check the Headset volume. See
VOLUME section on page 75.
Phone appears to be locked
- Force reboot by unplugging the AC
adaptor. All LEDs will light up and the
LCD will blank out for approximately
one minute before reestablishing
communication with the Cerato.
Line 2 or 3 lock up
- The Cerato is not set up properly for
the circuit. Contact your system
administrator.
Line 1 doesn’t hang up
- The Cerato is not set up properly for
the circuit. Contact your system
administrator.
LCD menu displays the wrong date or time
- The time zone offset is probably
wrong for your location. Contact
your system administrator.
The View Extension Forward indicator ‘F’
displays without Forward options set
- There may be some CRG 1 forwards
set in the switch for your primary
extension and your SKEY extension
for roll-over purposes and Voicemail.
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