Refurbished CISCO CP-PWR-CUBE-3

The phone offers an easy-to-use interface and provides a traditional telephony-like user experience.

White backlit, greyscale, 3.5” 396×162 pixel-based display on the IP Phone 7821, 7841 and 7861.
Non-backlit, greyscale, 3.28” 384×106 pixel-based display on the IP Phone 7811.
Provide scrollable access to calling features and text-based XML applications.

The handset is a standard wideband-capable audio handset (connects through an RJ-9 port) for the IP Phone 7821, 7841 and 7861.
The default handset is a standard narrowband-capable audio handset (connects through an RJ-9 port) for the IP Phone 7811, and wideband on handset is available with purchase of additional wideband handset.
The handset is hearing aid-compatible (HAC) and meets Federal Communications Commission (FCC) loudness requirements for the Americans with Disabilities Act (ADA). You can achieve Section 508 loudness requirements by using industry-standard inline handset amplifiers such as Walker Equipment W-10 or CE-100 amplifiers. The dial pad is also ADA-compliant.
The narrowband handset (for the IP Phone 7811) produces a magnetic field that attracts small metallic objects such as pins and staples. To avoid possible injuries do not keep small metallic objects close to the handset.

The analog headset jack is a standard wideband-capable RJ-9 audio port for the IP Phone 7821, 7841, and 7861.

The phone supports backlit indicators for the audio path keys (handset, headset and speakerphone), select key, line keys, and message waiting.
Headset key is not available on the IP Phone 7811.

A volume-control toggle provides easy decibel-level adjustments of the handset, monitor speaker, and ringer.

Full-duplex speakerphone allows gives you flexibility in placing and receiving calls. For added security, the audible dual tone multifrequency (DTMF) tones are masked when the speakerphone mode is used.

The IP Phone 7821, 7841 and 7861 include a default black bezel (replaceable), and an optional silver bezel is also available separately.
The IP Phone 7811 is available with a black bezel.

The display is easy to view and the buttons and keys are easy to use. The two-position foot stand supports viewing angles of 30 degrees and 45 degrees; you can remove the foot stand for wall mounting, with mounting holes located on the base of the phone. (IP Phone 7821, 7841 and 7861)
Only 1 foot-stand position (45 degrees) is supported on the IP Phone 7811.

The phone can be installed on a wall using optional wall-mount kit (available separately).

The hookswitch can be controlled electronically with a third party headset connected to the auxiliary port for the IP Phone 7821, 7841, and 7861.

The phone has the following keys
Line keys
Soft-keys
Two-way navigation and select keys
Hold/Resume, Transfer and Conference keys
Messaging, Service and Directory keys
Standard key pads
Volume control toggle key
Speakerphone, headset and mute keys (Headset key is not available on the IP Phone 7811)

The phone supports IEEE 802.3af PoE (Class 1); power consumption does not exceed 3.84 watts.

Cisco power cube 3 (CP-PWR-CUBE-3=) and Cisco power adapter 3 (CP-PWR-ADPT-3) are used as standard Cisco IP Phone Power Supplies for non-PoE deployments.

8.5.1
8.6.2
9.1.2
10.x and later

8.6.2
9.1.2
10.x and later

8.6.2 and later (using supported UCM versions above)

8.x and later

Specifications

Session Initiation Protocol (SIP)

G.711a/μ, G.722, G.729a, iLBC

+ Dialing (E.164)
Abbreviated dial
Adjustable ringing and volume levels
Adjustable display contrast
Agent greeting
Auto-answer
Auto-detection of headset (Not available on the IP Phone 7811)
Busy Lamp Field (BLF) (Not available on the IP Phone 7811)
Call back
Call forward
Call history
Call park
Call Pickup
Call timer
Call waiting
Caller ID
cBarge
Corporate directory
Conference
Cross Cluster Extension Mobility (EMCC)
Dial from the list
Direct transfer
Do not disturb
Extension Mobility (EM)
Forced access codes and client matter codes
Group call pickup
Hold/resume
Immediate divert
Intercom (Not available on the IP Phone 7811)
Join (Not available on the IP Phone 7811)
Message-waiting indicator
Meet me conference
Mobility
Music on hold
Mute
Network profiles (automatic)
On- and off-network distinctive ringing
Personal directory
Privacy
Private Line Automated Ringdown (PLAR)
Redial
Ring tone per line appearance
Shared line
Silent monitoring and recording
Speed dial
Time and date display
Transfer
Voicemail
Whisper coaching

Arabic (Arabic Area)
Bulgarian (Bulgaria)
Catalan (Spain)
Chinese (China)
Chinese (Hong Kong)
Chinese (Taiwan)
Croatian (Croatia)
Czech (Czech Republic)
Danish (Denmark)
Dutch (Netherlands)
English (United Kingdom)
Estonian (Estonia)
French (France)
Finnish (Finland)
German (Germany)
Greek (Greece)
Hebrew (Israel)
Hungarian (Hungary)
Italian (Italy)
Japanese (Japan)
Latvian (Latvia)
Lithuanian (Lithuania)
Korean (Korea Republic)
Norwegian (Norway)
Polish (Poland)
Portuguese (Portugal)
Portuguese (Brazil)
Romanian (Romania)
Russian (Russian Federation)
Spanish (Columbia)
Spanish (Spain)
Slovak (Slovakia)
Swedish (Sweden)
Serbian (Republic of Serbia)
Serbian (Republic of Montenegro)
Slovenian (Slovenia)
Thai (Thailand)
Turkish (Turkey)

The phone supports user-adjustable ring tones.

The phone identifies incoming messages and categorizes them for users on the screen. This makes it fast and easy to return calls using direct dial-back capability. The corporate directory integrates with the Lightweight Directory Access Protocol (LDAP) standard directory.

The phone supports CDP and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID.

Certificates
Image authentication
Device authentication
File authentication
Signaling authentication
Media encryption using Secure Real-Time Transfer Protocol (SRTP) using AES-128
Signaling encryption using Transport Layer Security (TLS) Protocol using AES-128 or AES-256
Encrypted configuration files
802.1X authentication
Cryptography

The user can configure IP address assignment statically or through the DHCP client.

IP Phone 7811: 207 x 195 x 33mm (exclude foot stand)
IP Phone 7821: 207 x 206 x 28mm (exclude foot stand)
IP Phone 7841: 207 x 206 x 28mm (exclude foot stand)
IP Phone 7861: 207 x 265 x 28mm (exclude foot stand)

IP Phone 7811: 806g
IP Phone 7821: 867g
IP Phone 7841: 868g
IP Phone 7861: 1053g

IP Phone 7821, 7841, 7861: 3.5” 396×162 pixels
IP Phone 7811: 3.28” 384×106 pixels

The phone has a 10/100BASE-T (The Cisco IP Phone 7811, 7821 & 7861) or a10/100/1000BASE-T (The Cisco IP Phone 7841) Ethernet connection through two RJ-45 ports, one for the LAN connection and the other for a downstream Ethernet device connection like a PC.

Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic.

The phone is an interoperable IEEE 802.3af PoE (Class 1 device); 48 VDC is required; it can be supplied locally at the desktop using an optional AC-to-DC power supply (CP-PWR-CUBE-3=). Use of the power supply also requires the use of one of the corresponding AC country cords.

32 to 104°F (0 to 40°C)

14 to 140°F (-10 to 60°C)

Operating 10% to 90%, non-condensing
Non-operating 10% to 95%, non-condensing

Cisco cosmetic class A

Regulatory Compliance
CE Markings per directives 2004/108/EC and 2006/95/EC
Safety
UL 60950 Second Edition
CAN/CSA-C22.2 No. 60950 Second Edition
EN 60950 Second Edition (including A11 & A12)
IEC 60950 Second Edition (including A11 & A12)
AS/NZS 60950
GB4943
EMC - Emissions
47CFR Part 15 (CFR 47) Class B
AS/NZS CISPR22 Class B
CISPR22: 2005 w/Amendment 1: 2005 Class B
EN55022: 2006 w/Amendment 1: 2007 Class B
ICES003 Class B
VCCI Class B
EN61000-3-2
EN61000-3-3
KN22 Class B
EMC - Immunity
EN55024
CISPR24
EN60601-1-2
KN24
Armadillo Light
Telecom
FCC Part 68 HAC
CS-03-HAC
AS/ACIF S004
AS/ACIF S040
NZ PTC 220
Industry Standards: TIA 810 and TIA 920
Industry Standards: IEEE 802.3 Ethernet, IEEE 802.3af and 802.3at