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With an ergonomic design, the 7841 Series IP Phone from Cisco is both aesthetically pleasing and comfortable to use. Compatible with the SIP protocol this VoIP phone is easy to setup and configure and with a variety of line keys, soft keys, and navigational buttons users can manage multiple phone calls with ease. Above the keypad lies the 396 x 162 pixel display making it easy to see navigation menus and call information. The attached handset supports wideband audio while the speakerphone is compatible with full duplex audio for clear, easy to listen to call audio. This Cisco IP phone comes compatible with the 802.3af PoE networking standard eliminating the need for a standalone power adapter while the built-in foot stand allows users to position the phone for easy viewing.
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.
The handset is a standard wideband-capable audio handset (connects through an RJ-9 port) for the IP Phone 7821, 7841 and 7861. 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 analog headset jack is a standard wideband-capable RJ-9 audio port.
The phone supports backlit indicators for the audio path keys (handset, headset and speakerphone), select key, line keys, and message waiting.
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.
This IP phone includes a default black bezel (replaceable), and an optional silver bezel sold separately.
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.
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.
● The phone has the following keys
◦ Line 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
Category 3/5/5e/6 for 10-Mbps cables with 4 pairs
Category 5/5e/6 for 100-Mbps cables with 4 pairs
IEEE PoE Class 1
The phone supports IEEE 802.3af PoE (Class 1); power consumption does not exceed 3.84 watts. Cisco Power Cube 3
This power cube is used as a standard Cisco IP Phone Power Supply 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=).
Cisco Unified Communications Manager
● 10.x and later Cisco Business Edition 6000
● 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
Key Call Features
● + Dialing (E.164)
● Abbreviated dial
● Adjustable ringing and volume levels
● Adjustable display contrast
● Agent greeting
● Auto-detection of headset
● Busy Lamp Field (BLF)
● Call back
● Call forward
● Call history
● Call park
● Call Pickup
● Call timer
● Call waiting
● Caller ID
● Corporate directory
● 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
● Immediate divert
● Message-waiting indicator
● Meet me conference
● Music on hold
● Network profiles (automatic)
● On- and off-network distinctive ringing
● Personal directory
● Private Line Automated Ringdown (PLAR)
● Ring tone per line appearance
● Shared line
● Silent monitoring and recording
● Speed dial
● Time and date display
● Whisper coaching
In the Box
Cisco 7841 Series IP Phone
Limited 1-Year Manufacturer Warranty
Table of Contents
Session Initiation Protocol (SIP)
G.711a/μ, G.722, G.729a, iLBC
Arabic (Arabic Area)
Chinese (Hong Kong)
Czech (Czech Republic)
English (United Kingdom)
Korean (Korea Republic)
Russian (Russian Federation)
Serbian (Republic of Serbia)
Serbian (Republic of Montenegro)
Number of Ring Tones
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.
Quality of Service (QoS)
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.
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
The user can configure IP address assignment statically or through the DHCP client
396 x 162 pixels
The phone has a 10/100BASE-T (The Cisco IP Phone 7811, 7821 & 7861) or a10/100/1000BASE-T
Ethernet connection through two RJ-45 ports, one for the LAN connection and the other for a downstream Ethernet device connection like a PC.
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.
Temperature & Humidity
Operating Temperature: 32 to 104°F / 0 to 40°C
Non-Operating Temperature: 14 to 140°F / -10 to 60°C
Operating Humidity: 10 to 90% non-condensing
Non-Operating Humidity: 10 to 95% non-condensing
Certification and Compliance
● Regulatory Compliance
◦ CE Markings per directives 2004/108/EC and 2006/95/EC
◦ 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
● 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
◦ KN22 Class B
● EMC - Immunity
◦ Armadillo Light
◦ FCC Part 68 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
8.1 x 8.1 x 1.1" / 207 x 206 x 28 mm (excludes foot stand)