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Cisco 9841 IP Desk Phone (DP-9841-K9) | Refresh

Cisco 9841 IP Desk Phone (DP-9841-K9) | Refresh

SKU: DP-9841-K9-RF
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This Phone Supports Webex Calling

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Overview

Overview of Cisco 9841 IP Desk Phone (DP-9841-K9) | Refresh

The Cisco 9841 IP Desk Phone (DP-9841-K9) is a cutting-edge VoIP phone designed for the collaborative and hybrid work environments of today. Whether working from home, the workplace or a shared workspace, the 9841 offers a smooth communication experience because to its design, which prioritizes dependability, security and user-friendliness. For busy professionals, this phone's 3.5-inch illuminated grayscale LCD display, four customizable line keys and support for up to 16 SIP lines guarantee clear visibility and effective conversation handling.

With its seamless integration with Cisco Unified Communications Manager (CUCM), Webex Calling, BroadWorks and third-party cloud calling platforms, the 9841 is built on Cisco's PhoneOS platform. The phone's sophisticated audio technology, which supports wideband codecs and AI-powered noise reduction, allows for crystal-clear conversations even in busy settings. Accessibility and productivity are enhanced with the 9841's full-duplex speakerphone, USB-A connection for plug-and-play headset connectivity and compatibility with hearing aids.

With the Cisco 9841, security and sustainability are paramount. For secure end-to-end communications, it has a Trusted Platform Module (TPM) 2.0, TLS 1.3 and SRTP encryption. It is certified ENERGY STAR and has a chassis composed of 74% post-consumer recycled plastic. The device is perfect for modern, flexible workplace deployments since it enables one-button-to-join (OBTJ) for Webex meetings, hot desking and desk reservation.


Key Features of Cisco 9841 IP Desk Phone


3.5-inch Backlit Grayscale LCD with 384 x 160 resolution for clear call information and easy navigation.

Supports Up to 16 SIP Lines with four programmable line keys with tri-color LED indicators for versatile call handling.

Advanced Audio Technology with AI noise removal, wideband codec support (Opus, G.722, G.729, iLBC, G.711) and bass-enhanced speakerphone for HD voice quality.

Integrated 2-Port Gigabit Ethernet Switch that ensures seamless network connectivity and easy device integration.

USB-A Port for plug-and-play USB headset or Bluetooth dongle connectivity and device charging.

Hot Desking & Desk Reservation that personalize devices in shared environments for flexible workspace management.

One Button to Join (OBTJ) that instantly join Webex meetings from the phone’s interface.

Robust Security with Trusted Platform Module (TPM) 2.0, TLS 1.3, SRTP encryption, FIPS 140-2 compliance.

Sustainable Design tht constructed from 74% post-consumer recycled plastic and ENERGY STAR certified.

Hearing Aid Compatible (HAC) that is accessible for all users.


Benefits of Cisco 9841 IP Desk Phone


🗹 Four programmable line keys and intuitive interface streamline handling multiple calls, transfers and conferencing.

🗹 AI-powered noise removal and HD voice codecs ensure every conversation is crisp and natural, even in open offices.

🗹 Hot desking, desk reservation and broad platform compatibility support hybrid work and shared office models.

🗹 One-touch meeting access, USB headset support and customizable action buttons keep teams connected and efficient.

🗹 End-to-end encryption and TPM 2.0 safeguard sensitive communications and data.

🗹 ENERGY STAR certification and recycled materials reduce environmental impact and operating costs.

🗹 Hearing aid compatibility and multi-language support make the 9841 inclusive for diverse teams.

🗹 Regular updates, robust hardware and Cisco’s renowned reliability ensure long-term value for any organization.

Specifications

Specifications for Cisco 9841 IP Desk Phone (DP-9841-K9) | Refresh

ManufacturerCisco
Manufacturer Part NumberDP-9841-K9-RF
Product NameCisco 9841 IP Desk Phone
Product TypeVoIP Phone
Compatible PlatformsCisco BroadWorks, Asterisk, Cisco Webex Calling, Cisco Webex Dedicate Instance (DI)
Integrated ComponentsTrusted Platform Module (TPM) 2.0
Weight33.65 oz
Body ColorCarbon black
Body MaterialABS polycarbonate, 74% post-consumer recycled plastic
Call ServicesVoice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Call park/pickup
Caller ID TypeCaller ID/call waiting
Dialer LocationBase
Conference Call CapabilityYes
SpeakerphoneYes
Programmable Buttons Qty4
Volume ControlYes
IndicatorsSpeakerphone indicator, line status indicator, headset, mute indicator, busy lamp field (BLF), status, select indicator
Additional FunctionsCall recording, mute, Music on hold, Do not disturb, conference mode, Kensington security slot, sleep mode, QR code access, one button to join (OBTJ)
Main FeaturesIntegrated Ethernet switch
VoIPYes
VoIP ProtocolsSIP, RTCP, RTP, SRTP, SDP
Voice CodecsG.722, G.729a, iLBC, G.729b, iSAC, G.722.2, Opus, G.711a-law, G.711μ-law
Lines Supported4 lines
Quality of ServiceIEEE 802.1Q (VLAN)
IP Address AssignmentDHCP, static
SecurityIEEE 802.1X, EAP-TLS, EAP-FAST, FIPS 140-2, SRTP, TLS 1.3
Power Over Ethernet (PoE) SupportYes
Network ProtocolsTFTP, Cisco Discovery Protocol (CDP), DNS, HTTPS, Link Layer Discovery Protocol (LLDP), Link Layer Discovery Protocol - Media Endpoint Discovery (LLDP-MED), RTCP, RTP, GARP, IPv6, IPv4, DHCP, VLAN
Network Ports Qty2 x Ethernet 10Base-T/100Base-TX/1000Base-T
Compatible SoftwareCisco WebEx, Cisco Unified Communications Manager
Voice FeaturesComfort noise generation (CNG), voice activity detection (VAD), acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC), silence suppression, HD audio, acoustic shock protection, dual tone multi-frequency (DTMF), forward error correction (FEC), ultrasonic support
Network FeaturesClass 2 PoE
TypeLCD display - grayscale
Display LocationBase
Diagonal Size3.5"
Display Resolution384 x 160 pixels
BacklitYes
Display LanguagesDanish, Hungarian, Czech, Chinese (traditional), Chinese (simplified), Ukrainian, Brazilian Portuguese, German, French, Italian, Norwegian, Portuguese, Polish, Finnish, Swedish, Russian, Spanish, Dutch, Greek, Turkish, Catalan, Japanese, Korean, UK English, US English, French Canadian, Spanish (Columbia), Chinese (Traditional, Hong Kong)
ConnectionsHeadset jack / RJ-9 ¦ 2 x network / RJ-45 ¦ USB / 4 pin USB Type A ¦ Console
Hearing Aid CompatibleYes
Placing / MountingDesktop
Cables IncludedNetwork cable
ENERGY STAR CertifiedYes
Power Consumption2.35 W (power adapter, display off mode), 1.95 W (PoE, display off mode), 0.25 W (power adapter, deep sleep mode), 0.61 W (PoE, deep sleep mode)
Width8.4 in
Depth8.4 in
Height1.9 in
Weight33.65 oz

User Guides

Frequently Asked Questions

Cisco 9841 IP Desk Phone (DP-9841-K9)
Frequently Asked Questions (FAQ's)



Is the Cisco 9841 IP Desk Phone compatible with other Cisco systems?
  • Yes, it works with a variety of Cisco communication systems, including on-premises and cloud-based solutions.
  • Does the Cisco 9841 support Bluetooth connectivity?
  • Yes, it includes Bluetooth support for connecting wireless headsets and other devices.
  • Can the display on the Cisco 9841 be customized?
  • Yes, the high-resolution color display can be customized with backgrounds and specific settings based on user preferences.
  • How many programmable line keys does the Cisco 9841 have?
  • The phone has several programmable line keys for quick access to different functions and contacts.
  • Is the Cisco 9841 suitable for use in a home office setup?
  • Yes, its advanced features and dependable performance make it suitable for both professional office settings and home offices.
  • What security features are included with the Cisco 9841?
  • The phone incorporates advanced security protocols to safeguard against potential threats and ensure secure communication.
  • Does the Cisco 9841 IP Desk Phone support PoE (Power over Ethernet)?
  • Yes, it supports Power over Ethernet (PoE) for a simple and efficient installation.
  • Can I use a USB headset with the Cisco 9841?
  • Yes, it has a USB port where you can connect a USB headset for better audio quality.
  • Is the phone's firmware upgradable?
  • Yes, the phone's firmware can be updated to the most recent version to ensure peak performance and access to new features.
  • How easy is it to set up the Cisco 9841 IP Desk Phone?
  • The phone is designed for simple setup, with a user-friendly interface and a straightforward installation process.
  • Can the Cisco 9841 be used for video calls?
  • No, the Cisco 9841 IP desk phone is an audio-only device that does not support video calling.
  • Does the phone support call conferencing?
  • Yes, it supports call conferencing, which allows multiple people to join the same call.
  • What kind of audio quality can I expect from the Cisco 9841?
  • The phone has HD audio quality, which ensures clear and crisp voice communication.
  • Is the Cisco 9841 IP Desk Phone wall-mountable?
  • Yes, it can be wall-mounted using the proper mounting kit.
  • How many Ethernet ports does the Cisco 9841 have?
  • The phone has two Gigabit Ethernet ports, one for connecting to the network and one for connecting a computer.
  • Can the Cisco 9841 integrate with third-party applications?
  • Yes, it supports integration with a variety of third-party applications to improve its functionality.
  • Does the phone have voicemail capabilities?
  • Yes, it supports voicemail and allows you to easily access voicemail features.
  • Can I use it in a home office?
  • Absolutely. It's suitable for remote work with a VPN connection to your office VoIP infrastructure.
  • Is it plug-and-play?
  • Yes, when connected to a Cisco network environment, setup is streamlined and mostly automated.
  • Does it come with a power adapter?
  • Power adapters are sold separately unless specified in a bundle; PoE is the standard power option.
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