Yealink CP960 Skype for Business, User Manual

Page: 163 / 174

Troubleshooting
154
Why can’t I sign into Skype for Business Server on the phone?

Check your phone is properly connected to the switch or hub.

Validate your domain name and sign-in information are correct.

Ensure that DNS address is properly configured on the phone, or DHCP is configured to
provide DNS address as part of DHCP response.

Ensure that you enter the correct login username and password.

Ensure that the phone can obtain the correct date and time through the NTP server.

Ensure that the phone has obtained the license.

Please check the Only Accept Trusted Certificates feature. If it is enabled, please disable it
and try to sign in. If you sign in successfully after you disable this feature, you need to
manually upload the certificate and then enable the Only Accept Trusted Certificates
feature to try again.
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 User Sign-in or Web Sign-In method.

Ensure that the Exchange is running properly.
Why doesn’t the phone ring?
Check the ringer volume on the phone. To adjust the ringer volume setting, tap the
Volume
key when the phone is idle. For more information, refer to Volume on page 50 .
Why can’t I receive calls?

Check that whether your status is DND mode, if it is, you should reset status. Refer to
Presence Status on page 17 .

Check that whether call forward is disabled on the phone. Refer to Call Forward on page
83 .
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 play hold tone and play hold tone delay via web user interface:
1.
Click on
Features
->
General Information
.
2.
Select the desired value from the pull-down list of
Play Hold Tone
.