Yealink CP860 User Manual

Troubleshooting
141
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 Do Not
Disturb (DND) on page 81.
 Check that call forward is disabled on the phone. Refer to Call Forward on page 82.
 Check whether the caller number is stored in the blacklist directory. Refer to Blacklist on
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 Volume on page 32.
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:
1. Click on Features->General Information.
2. Select the desired value from the pull-down list of Play Hold Tone.

Yealink CP860 Specifications

General

Speakerphone	Yes
Voice codecs	G.711, G.722, G.729ab, iLBC
Handset type	-
Product type	IP Phone
Product color	Black
Display resolution	192 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	1
Networking standards	IEEE 802.1x, IEEE 802.3af
Supported network protocols	IPv4/IPv6
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
Number of handles included	- pc(s)
Storage temperature (T-T)	10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Depth	260 mm
Width	320 mm
Height	52 mm