Unify OpenScape CP400 User Manual

18 Getting to know the OpenScape Desk Phone CP400
Keys and controls
softkeys
Audio controls
Audio keys
Volume
Use the controls to adjust the properties of your phone, for example the volume.
Mode keys
You can switch to the relevant application using these keys.
Key Function when key is pressed
_
Activates the function of the left display option or opens another menu. Used in the Team
menu as a line key.
Key Function when key is pressed
:/É
Activate/deactivate the loudspeaker  page 73.
./Ê
Use headset  page 73.
;/Æ
Activate/deactivate microphone (also for speakerphone mode)  page 76.
Key Function when key is pressed
@
Switch to the main menu  page 22.
\
Configure call forwarding  page 24.

Unify OpenScape CP400 Specifications

General

Handset type	Wired handset
Product type	IP Phone
Product color	Black
Display diagonal	3.7 \
Backlight display	Yes
Display resolution	240 x 120 pixels
Volume control	Buttons
Number of programmable keys	16
Caller ID	-
Lines quantity	- lines
Phonebook capacity	1000 entries
Security algorithms	128-bit AES, 256-bit AES, HTTPS
Networking standards	IEEE 802.3az
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	IP v4/v6 (SIP) IPv4 (HFA), DHCP,
Number of handles included	- pc(s)
Operating system installed	Linux
Ringer type	MP3
Voice codecs	G.711, G.722, G.729, G.729A, G.729B
Safety	CISPR22 Class B, CISPR 24 EN55032 Class B, EN55024 FCC Part 15 (CFR 47) Class B
Certification	CE NRTL FCC Part 68 (CFR 47) / CS-03 Part V
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	5 - 70 °C
Headset connectivity	DHSG/EHS
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	165 mm
Width	283 mm
Height	143 mm
Weight	1200 g