CISCO IP PHONE 7821

Cost-Effective, Simple Voice Collaboration

Easy-to-use, highly secure, and highly cost-effective voice communications

The Cisco IP Phone 7800 Series is a cost-effective, high-fidelity voice communications portfolio designed to improve your organization’s people-centric communications, while reducing your operating costs.

It combines an attractive new ergonomic design with “always-on” reliability and secure encrypted communications. The Cisco IP Phone 7800 Series delivers advanced IP Telephony features and crystal clear wideband audio performance to deliver an easy-to-use, full-featured voice communications experience on Cisco on-premises and hosted infrastructure platforms and third party hosted call control.

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HIGH-RESOLUTION DISPLAY

Screen 396 x 162 px / Graphical grayscale makes viewing easier.

DEDICATED FIXED KEYS

Two programmable line keys that ease communications for increased productivity.

WIDEBAND AUDIO

Wideband audio enhances clarity with the handset, speaker or a headset.

FULL DUPLEX SPEAKERPHONE

Built-in speakerphone supports hands-free communications.

EFFICIENT CALL HANDLING

Two-lines deliver more efficient call handling.

Cisco Unified Communications Services

Cisco and our certified partners can help you set up a secure, dependable Cisco Unified Communications solution, meeting aggressive deployment schedules and accelerating business advantage. Cisco’s portfolio of services is based on proven methodologies for unifying voice, video, data, and mobile applications on fixed and mobile networks.

Our unique lifecycle approach to services defines what’s needed at each phase of the solution lifecycle. Customized planning and design services help you create a solution that meets your business needs. Award-winning technical support helps you boost your operational efficiency. Remote management services simplify day-to-day operations. And optimization services let you modify and improve your network solution when business needs change.

Cisco environmental sustainability

Information about Cisco’s environmental sustainability policies and initiatives for our products, solutions, operations, and extended operations or supply chain is provided in the “Environment Sustainability” section of Cisco’s Corporate Social Responsibility (CSR) Report.

Table 1. Features and benefits

Features	Benefits
Hardware Features
Ergonomic design	The phone offers an easy-to-use interface and provides a traditional telephony-like user experience.
Graphical display	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.
Handset	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.
Headset	The analog headset jack is a standard wideband-capable RJ-9 audio port for the IP Phone 7821, 7841, and 7861.
Backlit Indicator	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.
Volume control	A volume-control toggle provides easy decibel-level adjustments of the handset, monitor speaker, and ringer.
Full duplex speakerphone	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.
Bezel	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.
Dual-position foot stand	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.
Wall-mountable	The phone can be installed on a wall using optional wall-mount kit (available separately).
Electronic hook switch	The hookswitch can be controlled electronically with a third party headset connected to the auxiliary port for the IP Phone 7821, 7841, and 7861.
Keys	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)
Ethernet cables	The IP Phone 7811, 7821, 7841, and 7861 Category 3/5/5e/6 for 10-Mbps cables with 4 pairs Category 5/5e/6 for 100-Mbps cables with 4 pairs The IP Phone 7841 Category 5/5e/6 for 1000-Mbps cables with 4 pairs
Power Features
IEEE PoE class 1	The phone supports IEEE 802.3af PoE (Class 1); power consumption does not exceed 3.84 watts.
AC Power Adapter	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.
Cisco power injector	The IP Phone 7811, 7821 and 7861 are compatible with Cisco Unified IP Phone Power Injector (CP-PWR-INJ), and 7841 is compatible with Cisco Aironet Power Injector (AIR-PWRINJ5=).
Call-Control Support
Cisco Unified Communications Manager	8.5.1 8.6.2 9.1.2 10.x and later
Cisco Business Edition 6000	8.6.2 9.1.2 10.x and later
Cisco Hosted Collaboration Solution	8.6.2 and later (using supported UCM versions above)
Cisco Unified Survivable Remote Site Telephony	8.x and later

Table 2. Features and specifications

Features	Specifications
Audio	Automatic Gain Control Comfort Noise Generation Silence Suppression/Voice Activity Detection Acoustic Echo Cancellation (AEC) Dynamic Noise Reduction
Signaling protocol support	Session Initiation Protocol (SIP)
Codec support	G.711a/ μ, G.722, G.729a/b, iLBC, OPUS
Key call features support	+ 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
Language support	Arabic (Arabic Area) Bulgarian (Bulgaria) Catalan (Spain) Chinese (China) – GB 2312 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)
Multiple ring tones	The phone supports user-adjustable ring tones.
Directories	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.
Quality-of-service (QoS) options	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.
Security	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
Configuration options	The user can configure IP address assignment statically or through the DHCP client.
Physical dimensions (H×W×D)	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)
Weight	IP Phone 7811: 806g IP Phone 7821: 867g IP Phone 7841: 868g IP Phone 7861: 1053g
Display	IP Phone 7821, 7841, 7861: 3.5” 396×162 pixels IP Phone 7811: 3.28” 384×106 pixels
Ethernet switch	The phone has a 10/100BASE-T (The Cisco ^® IP Phone 7811, 7821 and 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.
Phone casing composition	Polycarbonate Acrylonitrile Butadiene Styrene (ABS) textured plastic.
Power requirements	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.
Operational temperature	32 to 104°F (0 to 40°C)
Nonoperational temperature shock	14 to 140°F (-10 to 60°C)
Humidity	Operating 10% to 90%, non-condensing Non-operating 10% to 95%, non-condensing
Cosmetic	Cisco cosmetic class A
Certification and compliance	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 and A12) IEC 60950 Second Edition (including A11 and 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