4.8 17
17 Review(s)
Model: CP-7841-K9
Detail: Cisco Unified IP Phone 7841 Cisco 7800 Unified IP Phone
List Price: US$365.00
Price: $218.45
You save: US$146.55 (40% OFF)
Condition: Brand New Sealed
Availability: In stock
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US$ 218.45 In stock Brand New Sealed
CP-7841-K9 SMARTnet Service Tool.

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Overview (CP-7841-K9)

The Cisco IP Phone 7841 delivers advanced IP Telephony features and crystal clear wideband audio performance to deliver an easy-to-use, full-featured voice communications experience on Cisco on-premises and hosted infrastructure platforms and third party hosted call control.

Quick Specs

Figure 1 shows the appearance of the CP-7841-K9.


Table 1 shows the Quick Spec.

Product Code



396 x 162 pixel (3.5 in. / 89 mm)

Ethernet Switch


Programmable Line Keys


Full Duplex Speakerphone


Number of Line Keys


Wideband Audio


PoE Class


Third-party Call Control


Replaceable Bezel


Package Weight

1.6 Kg

Product Details

Before you use the Cisco IP Phone 7841, it should be connected to the corporate IP telephony network.

Figure 2 shows the bottom ports of this IP Phone.

 CP-7841-K9 Back Panel




AC power wall plug (optional)

Network port (10/100 SW) connection. IEEE 802.3af power enabled.

Access port (10/100 PC) connection.

Auxiliary port (optional).

Handset connection.

Analog headset connection (optional).

Figure 3 shows the buttons and hardware.

CP-7841-K9 Front Panel






Handset light strip

Headset button

Programmable feature buttons

Mute button

Phone screen


Softkey buttons

Volume button

Navigation and Select button

Contacts button

Hold/Resume button

Applications button

Conference button

Messages button 

Transfer button


Speakerphone button


Datasheet Download

Cisco 7800 IP Phone Datasheet.pdf

Get more information

Do you have any question about the Cisco IP Phone 7841/K9?

Contact us now via Live Chat or sales@router-switch.com.


Specification (CP-7841-K9)

CP-7841-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 7841: 207 x 206 x 28mm (exclude foot stand)


●  IP Phone 7841: 868g


●  IP Phone 7841: 3.5” 396×162 pixels

Ethernet switch

●  The phone has a 10/100BASE-T or a 10/100/1000BASE-T 
(The Cisco® IP Phone 7841) Ethernet connection through two RJ-45 ports, one for the LAN

connection and the other for a downstream Ethernet device connection like a PC.

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

Shipping & Payment


Cargo will be delivered within 1 day after payment arrived. Tracking Number will be offered once delivery done.

Delivery OptionsEstimated Delivery Time
DHL 2-4 business days
Fedex 2-4 business days
Hong Kong EMS 5-10 business days
Hong Kong Air Parcel 10-20 business days
By Sea 10-20 business days


Above mentioned information are just for your reference only,we will keep you posted for the tracking delivery schedule.There are two delivery options available for by air and by sea:

Deliver to port:

Router-switch.com is responsible for transporting goods to port. All subsequent customs and transportation fees are the
responsibility of the buyer. Router-switch will recommend trustworthy local freight forwarders to you.Router-switch.com can facilitate the progress under buyer's permission and at buyer's expense.

Deliver to door:

Router-switch.com will quote all destination charge prior once we have confirmed order.
Router-switch.com is responsible for transporting goods to door after you have made the payment.

Payment Methods

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100% Low Price Guarantee:

Router-switch.com provides high-quality products at low wholesale prices

100% Quality Assurance:

All items are ORIGINAL and GENUINE only.
Item conditions are "New Sealed" or "Used / Refurbished".
Used & refurbished items are fully tested with good conditions by Cisco-certified Engineers.

Free CCIE Technical Support:

Our FREE Cisco CCIE Expert Consultancy Support is over the phone, by chat, by email or by login remotely.

100% Money Back Guarantee:

You can contact our customer service team to exchange or return any product that you bought from us.

Flexible Secure Payment & Shipment:

Verified authorization: Mcafee Secure, VeriSign Secured

Return Material Authorization (RMA) Process

Standard Hardware Warranty Policy:

Original new sealed Cisco product: 1 Year
Used Cisco product: 3 Month

The Support Contacts:

If your Cisco products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.

Standard Services

Branch Offices : Hong Kong | USA | UK
Branch Offices : Hong Kong | USA | UK
Hong Kong Warehouse
Hong Kong Warehouse
Shenzhen Warehouse
Shenzhen Warehouse
Quality Checking
Quality Checking

Customer Reviews

4.8 5
4.8 (17 reviews)
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars

Share your thoughts with other customers?

Posted on 4/13/2017
Verified Buyer

I bought it urgently but it arrived it on time, with well-packaged and expected performance.

Posted on 3/15/2017
Verified Buyer
supports user-adjustable ring tones

?Well, the phone supports user-adjustable ring tones.

Posted on 1/16/2017
Verified Buyer
absolutely good

This is not our first cooperation, nor the last time, absolutely good.

Posted on 1/8/2017
Verified Buyer

a ideal choice for company network.

Posted on 12/29/2016
Verified Buyer

Packaging is very strict, it seems that the quality of goods should be good.

Posted on 11/24/2016
Verified Buyer
Fast and cheap

Excellent price delivery from this company.

Posted on 8/15/2016
Verified Buyer
Will certainly purchase here.

We usually purchase these from our networking vendor, but I tried this as well only needed a couple. Product was less expensive and shipped really quickly. Will certainly purchase here.

Posted on 8/2/2016
Verified Buyer

This is a very reliable product and I will use more of these in the future.

Posted on 6/12/2016
Verified Buyer
satisfied model

This model phone satisfied this need and seems to be working well . Thank you

Posted on 3/17/2016
Verified Buyer
Call quality is amazing!

I've purchased three of these so far for a law firm, and they are fantastic! Call quality is amazing!

Posted on 3/9/2016
Verified Buyer
Price is not good

Price is not good. Product is brand new.

Posted on 12/24/2015
Verified Buyer
Nice phone but need to buy adaptor

Nice phones, read the fine print they dont come with power cords, you can use it with POE port or you should buy other adaptor.

Posted on 11/26/2015
Verified Buyer
Good shipping

Shipping is fast and safe. Good.

Posted on 11/8/2015
Verified Buyer
Comfortable Design

We have these 'phones at work. The handset is very comfortable to use & prevent my ear! Amazing design, like them.

Posted on 9/9/2015
Verified Buyer
Good human engineering

Recommeng buy this model! We have over 30 of those phones and the keys are responsive, works prefectly. Very good human engineering!

Posted on 2/13/2015
Verified Buyer
Much easier to use

Much easier to use than the IP phone from my last employer. I use a headset for conference calls and the sound quality is fantastic. Happy to have the Cisco phone.

Posted on 5/18/2013
Verified Buyer
Cisco 7800 Unified IP Phone

This phone is one of the Cisco 7800 series IP Phones, which is old but classical devices. It's trustworthy.

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