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CISCO CP-MIC-WIRED-S= | Cisco 8831 Wired Microphone Kit

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Cisco 8831 Wired Microphone Kit
SKU: 2434226

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Product Description


The Cisco® Unified IP Conference Phone 8831 enhances people-centric communications, combining superior high-definition (HD) audio performance and 360-degree coverage for all sizes of conference rooms and executive offices. It provides an audiophile sound experience with a full-duplex two-way wideband (G.722) audio hands-free speaker.

The IP Conference Phone 8831 is a simple, scalable solution that meets the challenges of the most diverse rooms. It provides flexible deployment options and expansion by using extension microphones that can be wired or wireless (Digital Equipment Cordless Telephone [DECT]) with a daisy-chain configuration of two units.

The IP Conference Phone 8831 has an industrial design with enhanced ergonomics that puts the user first. It offers a detached control panel so that the display may be easily viewed without having to move the entire unit. It also provides easy view of device mute status from all sides.

Supported on Cisco Unified Communications Manager and Business Edition systems, the IP Conference Phone 8831 delivers a more productive, acoustically pleasing, and secure communications experience across sites and participants.

Features and Benefits

The Cisco Unified IP Conference Phone 8831 offers many improvements over the existing Cisco Unified IP Conference Station 7937G. New features include:

 Superior wideband acoustics with the first two-element speaker in a conference phone; this feature allows the phone to capture the full voice spectrum without having to compromise with a single-element speaker

 Expanded room coverage with support for daisy chaining two units

 Support for DECT wireless extension microphones

 Session Initiation Protocol (SIP) signaling

 Device authentication and signaling encryption using Transport Layer Security (TLS) with Advanced Encryption Standard 128 (AES-128)

 Media encryption using Secure Real-Time Transport Protocol (SRTP) with AES-128

Table 1 lists the features and benefits of the Cisco Unified IP Conference Phone 8831.

Table 1. Features and Benefits




Superior wideband acoustics

 160 Hz to 20 kHz, +/-3 dB.
 The latest in wideband codecs for maximum voice bandwidth.
 Enhanced speech quality and speaker recognition.


92-dB SPL peak output*

Expanded room coverage

 160-degrees conical pattern provides even coverage of listening area.
 Four Hemi-Cardioid microphones are perfectly spaced so that they combine to provide a 180-degree pick-up pattern around the device. Speech is captured at the same level at all points around the Cisco Unified IP Conference Phone 8831.

Wired microphones

These microphones extend the operational range of the Cisco Unified IP Conference Phone 8831 with even coverage around the periphery of the device with 7 feet of additional reach.

Wireless microphones

DECT wireless microphones for the Cisco Unified IP Conference Phone 8831 provide additional coverage with the added flexibility of 300 feet of range.

Wired control panel

The panel allows easy control of the unit and viewing of the display without having to move the entire unit.

Power Features

IEEE 802.3af line power

Local power supply is not required.

Cisco Power Cube 3

This power cube uses a standard Cisco Unified IP Phone Power Supply for non-Power over Ethernet (PoE) deployments. It is required for daisy chaining two units together.

Call-Control Support

Cisco Unified Communications Manager

The phone supports Cisco Unified Communications Manager (Cisco UCM) Releases 7.1(5), 8.5(1), 8.6(2), 9.0, and later.

Cisco Business Edition 3000

The phone is supported on the Cisco Business Edition 3000 Releases 8.6(1) and later.

Cisco Business Edition 6000

The phone is supported on the Cisco Business Edition 6000 Releases 8.6(5) and later.

Cisco Unified Communications Manager Express

The phone is supported with CME 10.0 and above. On IOS 15.4(1)T and later with Fast Track Support.

* Peak output measured in half-space environment.



The Cisco Unified IP Conference Phone 8831 requires an Enhanced User Connect License (UCL) on Cisco UCM Versions 9.0 and later. For supported Cisco UCM versions before 9.0, a public space license is required.

Product Specifications

Table 2 lists the features and specifications of the Cisco Unified IP Conference Phone 8831.

Table 2. Features and Specifications of Cisco Unified IP Conference Phone 8831



Signaling protocol support

Session Initiation Protocol (SIP)

Codec support

G.711, G.729(a and ab), G.722, and Internet Low Bitrate Codec (iLBC)

Calling feature support

 + Dialing (E.164)
 Adjustable ringing and volume levels
 Adjustable display brightness
 Application launch pad
 Auto-detection of headset
 Call forward
 Call history lists
 Call timer
 Call waiting
 Caller ID
 Corporate directory
 Direct transfer
 Fast-dial service
 Immediate divert
 Message-waiting indicator
 Music on hold
 Network profiles (automatic)
 On- and off-network distinctive ringing
 Personal directory
 Predialing before sending
 Ring tone per line appearance
 Shared line
 Survivable Remote Site Telephony (SRST)
 Time and date display


The Cisco Unified IP Conference Phone 8831 identifies incoming messages and categorizes them for users on the screen. This feature allows you toquickly and effectively return calls using direct dial-back capability. The corporate directory integrates with the Lightweight Directory Access Protocol Version 3 (LDAPv3) standard directory.


The Settings feature key allows you to adjust display contrast, select background images (ifavailable), and select from a large number of unique ringer sounds through the User Preference menu.Network configuration preferences also can be set up (usually by the system administrator). Configuration can be either automatically ormanually set up for Dynamic Host Control Protocol (DHCP),Trivial File Transfer Protocol (TFTP), Cisco Unified Communications Manager, and backup Cisco Unified Communications Manager instances.


The online Help feature gives you information about the phone keys, buttons, and features. The pixel display allows for more flexible feature navigation and significantly expands the information viewed when using features such as Services, Information, Messages, and Directory. For example, the Directory buttoncan show local and server-based directory information.

Hold, Mute, and Redial keys

The Mute key is a fixed key. When it is active, the LED flashes on the Cisco Unified IP Conference Phone 8831 as well as on the optional wired and wireless microphone kits. Hold and Redial are provided as soft keys associated with the screen, and are always at the same position for easy access.


The conference station has a large high-resolution, graphical 3.5-inch backlit display (396 x 162 pixels).


The Cisco Unified IP Conference Phone 8831 offers full-duplex high-quality wideband speakerphone technology. Included are Automatic Gain Control, comfort-noise generation, silence suppression and voice activity detection, Echo Suppression, and dynamic noise reduction, which reduces noise by up to 9 dB from constant noise sources such as fans or heating, ventilation, and air conditioning (HVAC) systems.

A two-way high-fidelity loud speaker system provides superior speech clarity versus traditional conferencing systems.

Volume control

The convenient Volume Control buttons on Cisco Unified IP Conference Phone 8831 provide for easy, decibel-level adjustments for the speakerphone and ringer.

Quality-of-service (QoS) options

The Cisco Unified IP Conference Phone supports DHCP and 802.1Q/p standards. The conference station can also be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID.

Multiple ring tones

User-adjustable ring tones are available.


The Cisco Unified IP Conference Phone 8831 supports device authentication through 802.1.x supplicant (TLS) and SRTP.

Language support

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)

Configuration options

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



Table 3 gives specifications of the Cisco Unified IP Conference Phone 8831, Table 4 provides temperature ratings, and Table 5 lists certifications for the conference station.

Table 3. System Specifications



Dimensions (H x W x D)

Base: 10.38 x 10.38 x 2.0 in. (15.05 x 26.35 x 5.08 cm)

Control panel: 5.75 x 5.0 x 1.0 in. (14.61 x 12.7 x 2.54 cm)

Microphones: 3.5 x 2.5 x 0.5 in. (8.89 x 6.35 x 1.27 cm)

Charger tray: 6.5 x 4.5 x 0.75 in. (16.51 x 11.43 x 1.90 cm)


Base 3.50 lbs. (1,587.0 grams)

DCU 0.56 lbs. (253.0 grams)

Wired Microphones 0.15 lbs. (66.8 grams)

Wireless Microphones 0.14 lbs. (64.7 grams)

Charger 0.42 lbs. (191.9 grams)


3.25 x 1.5 in. (8.26 x 3.81 cm); 396 x 162 pixels

Phone casing composition

Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic

Power requirements

The Cisco Unified IP Conference Phone 8831 is an interoperable IEEE 802.3af PoE (Class 3 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 listed in Table 7 later in this document.

Use of a power supply (CP-PWR-CUBE-3=) is required when using the Cisco Unified IP Conference Phone 8831 in a daisy-chain configuration.

Table 4. Temperature



Operational temperature

23~104°F (-5°C~40°C)

Nonoperational temperature shock

-13~158 (-25~70°C)

Temperature altitude (operational)

77°F (25°C) ambient condition to 9843 ft (3000m)

Temperature altitude (nonoperational)

Ambient condition to 15,000 ft (4572m)

Temperature humidity (nonoperational)

95% relative humidity

Note that products with the CE marking in Table 5 indicate compliance with the 2006/95/EC and 2004/108/EC directives, which include the safety and EMC standards listed.

Table 5. Regulatory Standards Compliance: Safety and EMC



Regulatory compliance

Products should comply with CE Marking per directives 2004/108/EC and 2006/95/EC


UL 60950-1 Second Edition Amd 1

CAN/CSA-C22.2 No. 60950-1 Second Edition Amd 1

EN 60950-1 Second Edition A11, A1, A12

IEC 60950-1 Second Edition Amd 1

AS/NZS 60950-1: 2011

GB4943 2011

EMC: Emissions

FCC Part 15 Subpart B Class B

AS/NZS 3548 CISPR22 Class B

EN55022 Class B

ICES-003 Class B

VCCI Class B

KN22 Class B

CNS13438 Class B

EMC: Immunity






FCC Part 15 Subpart D

IC RSS-213

EN 301 406


AUS AS/ACIF S004 - Hands-free Send Frequency Response

Additional Information

Additional Information

Manufacturer CISCO
Warranty Statutory Manufacturer Warranty

Brand Description


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You can often find Cisco’s equipment being utilized in huge organization as well as households from global communications carriers, governments, schools, hospitals, branch offices and homes. Cisco products allow you to stay on top of your business with a simple yet fully featured network connectivity solutions across multiple IT and networking needs. Their vast range of Wireless Access Points, Routers, Switches, Data center networking equipment Unified Communications, Conferencing and many more represent high quality, durability, reliability, easy maintenance and operational efficiency. These qualities have won popularity for the Cisco brand not only in enterprise organizations but even at home.

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