Introduction

Deploy high-quality voice communications for your information workers, the administrative and managerial staff. The affordable Cisco IP Phone 7841 is full-featured and easy to use. Business calls are more efficient and productive, which fosters collaboration. The 7841 also supports wideband audio for superior voice quality and offers advanced IP communications features.

The Cisco IP Phone 7841 is a four-line endpoint that is ideal for:

- Customers who currently use analog and digital phones but want to migrate to IP telephony
- Existing Cisco customers who want to expand or update their investment in Cisco Unified Communications

This phone is designed for information workers, the administrative staff and managers who have a moderate level of voice communications needs.

Excellent User Experience
For easier recognition at a glance, the 7841 phone includes four context-sensitive soft keys and a white-backlit display that:

- Measures 3.5 inches (89 millimeters)
- Has high-resolution graphics and grayscale
- Is 396 x 162 pixels

Other features and capabilities that contribute to a superior user experience include:
- Dedicated fixed keys for common functions such as conference, messaging, and directory, and a two-way navigation button
- Full wideband audio (G.722) support throughout the handset, headset, and speakerphone for superior clarity
- Electronic hookswitch control for added flexibility in managing personal calls when using third-party headsets

Simple Administration
The 7841 phone is easy to deploy and manage, with features such as:
- Power over Ethernet (PoE) Class 1 endpoint and Cisco EnergyWise to help reduce your energy costs and carbon footprint
- Enhanced flexibility and customization with a field-replaceable bezel option
- Integrated IEEE 10/100/1000 switch to support traffic from a co-located PC and reduce your cable infrastructure costs
- A wall-mount option for common areas such as cafeterias and shipping and receiving docks, or where desk space is limited

Design

Product type

IP Phone

Handset type

Wired handset

Product colour

Black, Silver

Case material

Polycarbonate

Wall mountable

Y

Mounting

Desk/Wall

Phone features

Lines quantity

4 lines

Answering machine

Y

Call waiting

Y

Speed dialling

Y

Call hold

Y

Call forwarding

Y

Conference call

Y

Caller ID

Y

Management features

Integrated voicemail

Y

Volume control

Digital

Display

Display

LCD

Display diagonal

8.89 cm (3.5")

Display resolution

396 x 162 pixels

Touchscreen

N

Audio

Speakerphone

Y

Voice codecs

G.711a,G.722,G.729A,G.729B,iLBC

Network

Ethernet LAN

Y

Wi-Fi

N

Bluetooth

N

Supported network protocols

IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3af

Quality of Service (QoS) support

Y

Security algorithms

802.1x RADIUS

Ports & interfaces

Ethernet LAN (RJ-45) ports

2

Certificates

Safety

UL 60950, CAN/CSA - C22.2, EN 60950, IEC 60950, AS/NZS 60950, GB4943

Power

Power over Ethernet (PoE)

Y

Operational conditions

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

Weight & dimensions

Width

207 mm

Depth

206 mm

Height

28 mm

Weight

868 g