Troubleshooting
229
Why doesn’t the phone display the Calendar menu?
Ensure that your phone has signed in successfully.
Why doesn’t the Skype conference, appointment, meeting or event set up in outlook
display on the Calendar menu?
Ensure that your sign into the phone using
method.
Why can’t I get a dial tone?
Check for any loose connections and that the phone has been installed properly. For the
installation instructions, refer to
Switch between the Handset, Headset (if present) or Hands-Free Speakerphone to check
whether the dial tone is present for one of the audio modes.
If the dial tone exists on another audio mode, connect a different handset or headset to
isolate the problem.
Why doesn’t the phone ring?
Check the ringer volume on the phone. To adjust the ringer volume setting, press the
Volume
key when the phone is on-hook and idle. For more information, refer to
on page
Why can’t I receive calls?
Check that whether your status is DND mode, if it is, you should reset status. Refer to
on page
Check that whether call forward is disabled on the phone. Refer to
Why doesn’t my handset work?
Check that the headset cord is fully connected to the headset jack on the phone. Refer to
on page
Check that the headset volume is adjusted to an appropriate level. Refer to
Why does the phone play a tone when there is a call on hold? How to disable it?
When there is a call on hold, the phone will play a hold tone every 30 seconds. Call hold tone is
enabled by default. Call hold tone and the interval of playing a hold tone are configurable via
web user interface only.
To configure call hold tone and call hold tone delay via web user interface:
1.
Click on
Features
->
General Information
.