Cisco Wireless LAN Controller

Cisco 7800 Series IP Phone CP-7821-K9=

CP-7821-K9= Cisco IP Phone 7821

Product Specification:
  • Place of Origin : USA
  • Brand Name : CISCO
  • Certification : FCC
  • Model Number : CP-7821-K9=
  • Minimum Order Quantity : 1/unit
  • Delivery Time : 3 days
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Product Details


Deploy reliable and highly secure voice communications with the Cisco IP Phone 7821. This full-featured

phone is easy to use and easy on your budget. This endpoint supports wideband audio for superior

voice communications quality and advanced IP telephony features to make your business calls more

efficient and productive.


  • Dedicated fixed keys for common functions such as conference, messaging, and directory, and a

two-way navigation button


  • Full wideband audio performance throughout the handset, headset, and speakerphone for superior



  • Electronic hookswitch control for added flexibility in managing personal calls when using third-party


  • Power over Ethernet (PoE) Class 1 endpoint and Cisco EnergyWise to reduce your energy costs

and carbon footprint


  • Enhanced customization with a field-replaceable bezel option


  • Integrated IEEE 10/100 switch to support traffic from a co-located PC for reduced cable infrastructure



  • A wall-mount option for common areas such as aisles or hallways, or where desk space is limited





CP-7821-K9 Specifications

Signaling protocol support

●  Session Initiation Protocol (SIP)

Codec support

●  G.711a/μ, G.722, G.729a, iLBC

Key call features support

●  + Dialing (E.164)

●  Abbreviated dial

●  Adjustable ringing and volume levels

●  Adjustable display contrast

●  Agent greeting

●  Auto-answer

●  Auto-detection of headset (Not available on the IP Phone 7811)

●  Busy Lamp Field (BLF) (Not available on the IP Phone 7811)

●  Call back

●  Call forward

●  Call history

●  Call park

●  Call Pickup

●  Call timer

●  Call waiting

●  Caller ID

●  cBarge

●  Corporate directory

●  Conference

●  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

●  Hold/resume

●  Immediate divert

●  Intercom (Not available on the IP Phone 7811)

●  Join (Not available on the IP Phone 7811)

●  Message-waiting indicator

●  Meet me conference

●  Mobility

●  Music on hold

●  Mute

●  Network profiles (automatic)

●  On- and off-network distinctive ringing

●  Personal directory

●  Privacy

●  Private Line Automated Ringdown (PLAR)

●  Redial

●  Ring tone per line appearance

●  Shared line

●  Silent monitoring and recording

●  Speed dial

●  Time and date display

●  Transfer

●  Voicemail

●  Whisper coaching

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)

Multiple 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) options

●  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.


●  Certificates

●  Image authentication

●  Device authentication

●  File authentication

●  Signaling authentication

●  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

●  802.1X authentication

●  Cryptography

Configuration options

●  The user can configure IP address assignment statically or through the DHCP client.

Physical dimensions (H×W×D)

●  IP Phone 7821: 207 x 206 x 28mm (exclude foot stand)


●  IP Phone 7821: 867g


●  IP Phone 7821: 3.5” 396×162 pixels

Ethernet switch

●  The phone has a 10/100BASE-T or a 10/100/1000BASE-T 

Phone casing composition

●  Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic.

Power requirements

●  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.

Operational temperature

●  32 to 104°F (0 to 40°C)

Nonoperational temperature shock

●  14 to 140°F (-10 to 60°C)


●  Operating 10% to 90%, non-condensing

●  Non-operating 10% to 95%, non-condensing


●  Cisco cosmetic class A

Certification and compliance

●  Regulatory Compliance

◦   CE Markings per directives 2004/108/EC and 2006/95/EC

●  Safety

◦   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

◦   GB4943

●  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

◦   EN61000-3-2

◦   EN61000-3-3

◦   KN22 Class B

●  EMC - Immunity

◦   EN55024

◦   CISPR24

◦   EN60601-1-2

◦   KN24

◦   Armadillo Light

●  Telecom

◦   FCC Part 68 HAC

◦   CS-03-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


Cisco 7800 Series IP Phone CP-7821-K9= is sealed in cisco original box. We will also pack CP-7821-K9=

with second box before shipping.


Our products will be send via FedEx,DHL,TNT,UPS,EMS and so on.but the buyer is responsible for

customs clearance and pay tariff when the product arrived destination country.


Shipping Methods


2-4 business days.


2-4 business days


2-4 business days


5-7 business days.


Payment Method

T/T,Western Union, HSBC and Money Gram will be accept.Faster payment will help you to get the

items earlier.

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