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