Cisco IP Business Phone 8851, 5-inch WVGA Colour Display, Gigabit Ethernet Switch, Class 4 PoE, USB Port, 10 SIP Registrations, 1-Year Limited Hardware Warranty (CP-8851-K9=)

The Cisco IP Phone 8851 Series with Multi-Platform Phone firmware helps increase personal productivity in the workplace thanks to powerful yet easy-to-use features. This office phone has an attractive, ergonomic design that offers comfortable use, with wideband audio for crystal clear voice communications, ‘always-on’ reliability and encrypted voice communications for enhanced security.

Product type	IP Phone
Handset type	Wired handset
Product colour	Black
Backlight keypad	Yes
Device lock	Yes
Wall mountable	Yes
Mounting	Desk/Wall
Call waiting	Yes
Speed dialling	Yes
Call hold	Yes
Call forwarding	Yes
Caller ID	Yes
Call pick up	Yes
Call transfer	Yes
Message-waiting indicator (MWI)	Yes
Volume control	Digital
Display diagonal	12.7 cm (5")
Display resolution	800 x 480 pixels
Touchscreen	No
Speakerphone	Yes
Microphone mute	Yes
Voice codecs	G.711a, G.722, G.729A, iLBC
Ethernet LAN	Yes
Wi-Fi	No
Bluetooth	Yes
Bluetooth version	3.0+HS
Supported network protocols	SIP, SPD, UDP, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, PPDP
Quality of Service (QoS) support	Yes
DHCP client	Yes
Security algorithms	EAP-FAST, EAP-TLS, HTTPS, SIPS, SSH, SSL/TLS
Networking standards	IEEE 802.3ab, IEEE 802.3af, IEEE 802.3at, IEEE 802.3i, IEEE 802.3u
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
RJ-9 ports quantity	1
DC-in jack	Yes
Power over Ethernet (PoE)	Yes
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90%
Storage relative humidity (H-H)	10 - 95%
Storage temperature (T-T)	-10 - 60 °C
Width	257.3 mm
Depth	40 mm
Height	229.1 mm
Weight	1.19 kg
Package width	263.9 mm
Package depth	353.1 mm
Package height	75.9 mm
Package weight	1.6 kg
Number of handles included	1 pc(s)
Country of origin	China
Quantity per pack	1 pc(s)
Harmonized System (HS) code	85171800