Call Issues; Audio Issues; Volume On - Yealink CP860 User Manual

Call Issues

Why can't I receive calls?
Check the SIP registration with your system administrator.

Check that DND (Do Not Disturb) mode is deactivated on your phone. Refer to

Disturb (DND)
Check that call forward is disabled on the phone. Refer to

Check whether the caller number is stored in the blacklist directory. Refer to

page 45.
Why can't I record calls?
Ensure that the USB flash drive is inserted to the USB port on the phone.

Ensure that the USB flash drive inserted is compatible with the phone. For more information,

contact your reseller.
Check if there is enough free space (greater than 2 minutes) on the USB flash drive. Press

Menu->USB Record->Storage Space.

Audio Issues

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
Why does the phone play a tone when hold? How to disable it?
When there is a call is on hold, the phone will play a hold tone every 30 seconds. Play hold tone
is enabled by default. Play hold tone and the interval of playing a hold tone are configurable via
web user interface only.
To configure the call hold tone and call hold tone delay via web user interface:
Click on Features->General Information.
1.
Select the desired value from the pull-down list of Play Hold Tone.
2.
on page 81.
Troubleshooting
Do Not
Call Forward on page 82.
Blacklist
Volume on page 32.
on
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