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Cisco Unified IP Phone CP-7931G

Cisco Unified IP Phone 7931G

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Cisco Unified IP Phone 7931G

Product Overview
Cisco Unified Communications is a comprehensive IP communications system of voice, video, data, and mobility products and applications. It enables more effective, more secure, more personal communications that directly affect both sales and profitability. It brings people together by enabling a new way of communicating-where your business moves with you, security is everywhere, and information is always available...whenever and wherever it is needed. Cisco Unified Communications is part of an integrated solution that includes network infrastructure, security, mobility, network management products, lifecycle services, flexible deployment and outsourced management options, end-user and partner financing packages, and third-party communications applications.

The Cisco Unified IP Phone 7931G meets the communication needs of retail, commercial, manufacturing workers, and anyone with moderate telephone traffic but also specific call requirements. Dedicated hold, redial, and transfer keys facilitate call handling in a retail environment. Illuminated mute and speakerphone keys give a clear indication of speaker status. A pixel-based display with a white backlight makes calling information easy to see, and Extensible Markup Language (XML) services deliver a rich user experience. The Cisco Unified IP Phone 7931G offers numerous important security features plus the choice of IEEE 802.3af Power over Ethernet (PoE) or local power through an optional power adaptor.

The Cisco Unified IP Phone 7931G is designed to grow with your organization. A dynamic, soft-key activated feature set allows the phone to keep pace with your requirements through regular software upgrades. You can easily move phones, add new phones, and change existing phone arrangements; users can simply pick up their phones and move to a new location anywhere on the network. The Cisco Unified IP Phone 7931G also provides accessibility features for those with special needs.

Features of Cisco Unified IP Phone 7931G


Lighted line keys

Twenty-four lighted line keys to which individual lines can be assigned-Each line key provides a busy-line indication if the line is shared with another IP phone. Lighted line keys are also used to access services and call history directories and to activate the headset port.

Dedicated hold, redial, and transfer keys

Dedicated keys for hold, redial, and transfer-The hold key is colored red to make it clearly visible in a fast-moving call environment; the redial and transfer keys facilitate rapid call handling.

Lighted message waiting indicator

Lights turn on when there is new voicemail and when the phone rings; the message waiting indicator is visible on both the phone chassis and handset, and it stays lit until the user processes new voicemail.

Graphical display

A graphical monochrome display with resolution of 192 x 64 pixels and a white backlight provides scrollable three-line intuitive access to calling features and text-based XML applications. The Cisco Unified IP Phone 7931G also supports audio-based XML applications.

Four soft keys and a four-way rocker key

These keys dynamically present calling options to the user. The four-way rocker key allows easy movement through the displayed information.

Network features

Cisco Discovery Protocol and LLDP-MED (Link Layer protocol); IEEE 802.1 p/q tagging and switching

Ethernet switch

The phone offers 10/100BASE-T Ethernet connection through two RJ-45 ports: one for the LAN connection and the other for connecting a downstream Ethernet device such as a PC.


A full-duplex speakerphone enables the user to handle calls hands-free.

Volume control

A volume-control toggle provides easy decibel-level adjustments of the handset, headset, speakerphone, and ringing volume.

Headset port

A dedicated headset port eliminates the need for a separate amplifier when using a headset; it allows the handset to remain in its cradle, making headset use simpler.

Single-position foot stand

The phone offers optimum display viewing and comfortable use of buttons and keys. The foot stand can be removed for wall mounting with mounting holes located on the base of the phone.

Multiple ring tones

The phone offers more than 24 user-selectable ring tones.

Americans with Disabilities Act (ADA) Features

Handset is hearing aid-compatible and meets Federal Communications Commission (FCC) loudness requirements for the Americans with Disabilities Act (ADA). Section 508 loudness requirements can be achieved using industry-standard inline handset amplifiers such as Walker Equipment W-10 or CE-100 amplifiers. Dial pad is also ADA-compliant.

Signaling protocol support

• Compatible with Cisco Unified CallManager Express Version 4.0(2) and later, using the Skinny Client Control Protocol (SCCP), or Cisco Unified Call Manager 6.0 and later.

• Also compatible with the Session Initiation Protocol (SIP), starting from Cisco Unified Call Manager 7.0 or later.

Codec support

The phone supports G.711a, G.711u, G.729a, G.729b, and G.729ab audio-compression codecs.

Configuration options

Network parameters can be provisioned through the Dynamic Host Configuration Protocol (DHCP).

Voice quality

Comfort-noise generation and voice-activity-detection (VAD) programming is offered on a system basis.

Security Features of Cisco Unified IP Phone 7931G



Phones shipped with factory-installed X.509v3 certificates; there is also an option to install and remove certificates at the customer's site

Device authentication and signaling encryption

Transport Layer Security (TLS) with Advanced Encryption Standard (AES)-128 encryption available with Cisco Unified CallManager Express Version 4.0(2) or later

Media encryption

Secure Real-Time Transport Protocol (SRTP) with AES-128 encryption available with Cisco Unified Communications Manager Express and Cisco Unified Communications Manager in a later release

Software and Physical Specifications of Cisco Unified IP Phone 7931G


Firmware upgrades

Firmware upgrade supported using a Trivial File Transfer Protocol (TFTP) server

Dimensions (H x W x D)

8 x 9 x 7 in. (20.3 x 22.9 x 17.8 cm)


3.0 lb (1.36 kg)

Phone casing composition

Polycarbonate acrylonitrile butadiene styerene (ABS) plastic in textured dark gray with silver bezel

Power Options


IEEE 802.3af PoE

Can receive power from IEEE 802.3af-compliant data switches (Class III)

Local power

Powered locally with a power adapter (Cisco part number CP-PWR-CUBE-3=) along with one of the power cords listed in Power Cable Table

Ordering Information for Cisco Unified IP Phone 7931G

Part Number


Cisco Unified IP Phone 7931G


Cisco Unified IP Phone 7931G, Spare


Cisco Unified IP Phone 7931G, for Channels, with one station user license


Cisco Unified Communications Manager User License for one Cisco Unified IP Phone 7931G


Cisco Unified Communications Manager Express User License for one Cisco Unified IP Phone 7931G

Note: All Cisco Unified IP phones require the purchase of a phone technology license, regardless of call protocol being used.



Regulatory compliance

CE Marking


• Underwriters Laboratories (UL) 60950
• Canadian Standards Association (CSA) C22.2 No. 60950
• EN 60950
• IEC 60950
• AS/NZS60950
• TS 001

Electromagnetic compatibility

• Federal Communications Commission (FCC) Part 15 (CFR 47) Class B
• ICES-003 Class B
• EN55022 Class B
• CISPR22 Class B
• AS/NZS CISPR 22 Class B
• CISPR 24
• VCCI Class B
• EN55024
• EN 50082-1
• EN 61000-3-2
• EN 61000-3-3
• EN 61000-6-1


• FCC Part 68 (CFR47) HAC
• TIA 810A

AC Country Power Cords

Part Number


Asia Pacific






European community






North America




United Kingdom

Temperature Ratings for Cisco Unified IP Phone 7931G

Temperature Variable
Operating Temperature
32 to 104°F (0 to 40°C)
Relative Humidity
10 to 95% (noncondensing)
Storage Temperature
14 to 140°F (-10 to 60°C)

Optional Accessories

Part Number


Universal locking wall-mounting kit


Local power adapter for sites where PoE is not available.


Spare phone handset cord


EAN Code 882658082399
Tiltable Display No
Color Display Monochrome
Touchdisplay No
Conference Capable Yes

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