Cisco IP Phone 8845

Affordable, High-Quality HD Video
Video and Voice for All Users

Get affordable, highly secure, easy-to-use, and comprehensive VoIP communications with the Cisco IP Phone 8845. It offers superior audio performance and mission-critical, HD video, and integrates with your personal mobile devices. IP Phone 8845 also offers flexible deployment options: Cisco on-premises, hosted, Webex Calling, and third-party call control offer flexible deployment options.

The Cisco IP Phone 8845 delivers affordable entry to HD video communications. It’s ideal for knowledge workers, administrative staff, managers, and executives. It’s also well suited to shared workspace environments. Cisco Spark Phone OS provides flexible deployment options for the 8845, whether Cisco on-premises, from the Cisco cloud, or in a hybrid configuration. The 8845 will also support third-party hosted call control service.


5-inch widescreen VGA (800x480px), 24-bit colour


G.722 on handset, speakerphone and headset.


Integration with personal mobile devices using Cisco Intelligent Proximity for Mobile Voice.


Choice of wired, USB and Bluetooth headsets from Cisco third-party vendor partners.


Option for a wall mount kit provided

Improved Collaboration

  • Easy-to-use, one-touch 720p HD desktop video
  • Integration with personal mobile devices using Cisco Intelligent Proximity for Mobile Voice
  • Wideband audio for exceptional clarity
  • High-resolution, 5-inch, widescreen color display for navigation and interaction
  • Choice of wired and Bluetooth headsets from third party vendors**

Simpler and More Cost-Effective Administration

  • Flexible deployment options include Cisco on-premises, hosted, and Webex Calling.
  • Cisco Expressway gives remote workers single sign-on access without need for a VPN client
  • Cisco EnergyWise reduces energy costs and carbon footprint in off-work hours
  • Gigabit Ethernet and 802.3af/at Power over Ethernet reduce installation and infrastructure costs
  • Cisco Webex Phone OS consolidates administration with common software to both the IP Phone 8800 Series and IP Phone 7800 Series

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

The 800 × 480, 24-bit color, 5-in. WVGA display provides scrollable access to calling features and text-based XML applications


Automatic Gain Control
Comfort Noise Generation
Silence Suppression/Voice Activity Detection
Acoustic Echo Cancellation (AEC)
Dynamic Noise Reduction

Audio codec support

G.711 a-law and mu-law, G.722, G.729a/b, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC), G.722.1, G.772.2, OPUS


720p HD video (encode and decode)


The handset is a standard wideband-capable audio handset (connects through an RJ-9 port)
The standard coiled cord has a custom end for concealed cable routing beneath the phone (cord length is approximately 21 in. [55 cm] coiled and up to 72 in. (183 cm) extended)
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 with industry-standard inline handset amplifiers such as Walker Equipment W-10 or CE-100 amplifiers. The dial pad is also ADA-compliant

Speaker phone

A full-duplex speakerphone gives you flexibility in placing and receiving calls with hands free. For added security, the Audible Dual Tone Multifrequency (DTMF) tones are masked when the speakerphone mode is used.

Analog headset

The analog headset jack is a standard wideband-capable RJ-9 audio port

AUX port

You can use an auxiliary port to support electronic hookswitch control with a third-party headset connected to it

Ethernet switch

An internal 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE-T Ethernet network (IEEE 802.3i/802.3u/802.3ab) through an RJ-45 interface with single LAN connectivity for both the phone and a co-located PC
The system administrator can designate separate VLANs (IEEE 802.1Q) for the PC and phone, providing improved security and reliability of voice and data traffic


Bluetooth 4.1 LE, Enhanced Data Rate (EDR) Class 1 technology (up to 66-ft [20m] range) is supported
Hands-Free Profile (HFP) is supported for untethered headset connections and voice communications
Phone Book Access Profile (PBAP) is supported for phone book object exchange between devices


The phone has the following keys:

Line keys

Soft keys

Back and release keys

Four-way navigation and select keys

Hold/Resume, Transfer, and Conference keys

Messaging, Application, and Directory keys

Standard keypad

Volume-control toggle key

Speakerphone, headset, and mute keys

Backlit indicator

The phone supports backlit indicators for the audio path keys (Handset, Headset, and Speakerphone), select key, line keys, and message waiting

Replaceable bezel

The phone includes a black bezel; an optional silver bezel is also orderable 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 35 and 50 degrees; you can remove the foot stand for wall mounting, with mounting holes located on the base of the phone


You can install the phone on a wall using an optional wall-mount kit (orderable separately)

Physical security

The phone is compatible with the Kensington Security Slot (K-Slot) antitheft system

Power Features

IEEE Power over Ethernet (PoE)

PoE on the phone is IEEE Power over Ethernet class 2. The phone is compatible with both IEEE 802.3af and 802.3at switch blades and supports both Cisco Discovery Protocol and Link Layer Discovery Protocol – Power over Ethernet (LLDP-PoE)

Cisco IP Phone Power Cube 4

This optional power cube is used as an AC-to-DC (48V) power supply for non-PoE deployments. Use of the power cube 4 also requires the use of one of the corresponding AC country cords

Call-Control Support

Cisco Unified Communications Manager

8.5.1 (non-secured mode only)
11.0 and later

Cisco Unified Communications Manager Express
(Unified CME)

Planned to be supported 11.5

Cisco Business Edition 6000 (BE 6000)

11.0 and later

Cisco Hosted Collaboration Solution (HCS)

8.6.2 and later (using supported UCM versions listed previously)

Table 2. Features and specifications

Features Specifications

Audio codec support

G.711a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC)

Call features

+ Dialing
Abbreviated dialing
Adjustable ring tones and volume levels
Adjustable display brightness
Agent greeting
Application launch pad
Auto-detection of headset
Busy Lamp Field (BLF)
BLF Pickup
BLF speed dial
Call forward
Call forward notification
Call filter
Call history lists
Call park
Call pickup
Call timer
Call waiting
Call chaperone
Caller ID
Corporate directory
Conference, including traditional Join feature
Cross-Cluster Extension Mobility (EMCC)
Direct transfer
Extension mobility
Fast-dial service
Forced access codes and client matter codes
Group call pickup
Immediate divert
Malicious-caller ID
Message-Waiting Indicator (MWI)
Meet-me conference
Music on Hold (MoH)
Network profiles (automatic)
On- and off-network distinctive ringing
Personal directory
Predialing before sending
Private Line Automated Ringdown (PLAR)
Ring tone per line appearance
Service Uniform Resource Locator (URL)
Shared line
Silent monitoring and recording
Speed dial
Time and date display
Uniform Resource Identifier (URI) dialing
Visual Voicemail
Whisper coaching

Mobility and remote access

You can deploy the phones remotely with the following two options:

You can have your phone remotely registered to the on-premises network through a built-in VPN client if the administrator has provisioned this VPN feature
You also can directly connect to the on-premises network without VPN through Cisco Expressway if you are provided with log-in credentials. Contact your system administrator

Electronic hookswitch

You can control the hookswitch electronically with a third-party headset connected to the auxiliary port.

Cisco Intelligent Proximity

Audio path moving sends audio through the IP Phone 8861 for a mobile device-connected call
Call-history synchronization allows you to view placed and missed calls of your mobile device from the IP Phone 8845
Contact synchronization allows you to synchronize the contact objects from your mobile device to your 8845

Quality-of-Service (QoS) options

The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and you can configure it with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID

Network features

Session Initiation Protocol (SIP) for signaling
Session Description Protocol (SDP)
IPv4 and IPv6
User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol [RTP] streams)
Dynamic Host Configuration Protocol (DHCP) client or static configuration
Gratuitous Address Resolution Protocol (GARP)
Domain Name System (DNS)
Trivial File Transfer Protocol (TFTP)
Real-Time Transport Protocol (RTP)
Real-Time Control Protocol (RTCP)
Cisco Peer-to-Peer Distribution Protocol (PPDP)
Cisco Discovery Protocol
LLDP (including LLDP Media Endpoint Discovery [LLDP-MED])
Switch speed auto-negotiation

Security features

Secure boot
Secure credential storage
Device authentication
Configuration file authentication and encryption
Image authentication
Random bit generation
Hardware cryptographic acceleration
Certificate Authority Proxy Function (CAPF)
Manufacturer-Installed Certificates (MIC)
Locally Significant Certificates (LSC)
Ethernet 802.1x supplicant options: Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) and Extensible Authentication Protocol-Transport Layer Security (EAP-TLS)
Signaling authentication and encryption using TLS
Media authentication and encryption using SRTP
HTTPS for client and server
Secure Shell (SSH) Protocol server
SSL-based VPN client

Physical dimensions
(H × W × D)

9.01 x 10.13 x 3.87 in. (228.78 x 257.34 x 98.39 mm) (excluding foot stand)

Weight (with handset)

2.97 lb (1.35 kg)

Phone-casing composition

Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic; Cosmetic class A

Operating temperature

32 to 104°F (0 to 40°C)

Nonoperating temperature shock

14 to 140°F (-10 to 60°C)


Operating 10 to 90%, noncondensing
Nonoperating 10 to 95%, noncondensing

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)
French (Canada)
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)

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 and A12)

IEC 60950 Second Edition (including A11 and A12)

AS/NZS 60950


EMC – Emissions

47CFR Part 15 (CFR 47) 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




NZ PTC 220

Industry standards: TIA 810 and TIA 920

Industry standards: IEEE 802.3 Ethernet and IEEE 802.3af and 802.3at

Korea (RRA Public Notification 2010-36, Nov. 1, 2010)

Korea (RRA Announce 2011-2, Feb. 28, 2011)


FCC Part 2.1093 (BT RF Exposure TR)

RSS-102 (BT RF Exposure TR)


EN 300.328

EN50385 (BT RF Exposure TR)

EN 301-489-1

EN 301-489-17

NCC LP0002

Korea (RRL No. 2006-128, RRL No. 2006-129)

Japan Bluetooth GFSK/EDR

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