Cisco 9841 IP Desk Phone - Carbon Black (DP-9841-K9) | New
SKU: DP-9841-K9-N
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Overview of Cisco 9841 IP Desk Phone - Carbon Black (DP-9841-K9) | New
The Cisco 9841 IP Desk Phone - Carbon Black (DP-9841-K9) is a cutting-edge corporate VoIP phone designed for companies seeking secure communications, good audio quality and easy daily use. With its 3.5-inch illuminated display, four programmable line buttons and twin Gigabit Ethernet connections, this Cisco 9800 Series desk phone is a sensible choice for workplaces that want consistent performance without needless complication. It provides IT organizations with a versatile endpoint for mixed settings by supporting Webex Calling, BroadWorks, Cisco Unified Communications Manager and third-party cloud calling solutions. For workstations, reception areas and shared workplaces, the Cisco 9841 IP phone offers a solid blend of affordability, dependability and enterprise-ready capability with its carbon black design, integrated security measures and compatibility for up to 16 SIP lines on open platforms.
Key Features of Cisco 9841 IP Desk Phone
• 3.5-inch backlit grayscale LCD for clear call information and menu navigation.
• Four programmable line keys with tri-color LED indicators for status visibility.
• Dual Gigabit Ethernet ports for fast and reliable wired connectivity.
• Cisco PhoneOS support for CUCM, Webex Calling, BroadWorks and open SIP platforms.
• Trusted Platform Module 2.0 for enhanced device security.
• Built-in HD voice support with advanced audio processing for clearer calls.
• Single USB port for accessories and productivity expansion.
• Two-port internal Ethernet switch for PC pass-through and cleaner desk setups.
• Carbon black finish with top and front LED indicators for a professional appearance.
• Support for up to 16 SIP lines on Webex Calling and open SIP platforms.
Benefits of Cisco 9841 IP Desk Phone
🗹 Improve everyday calling with a crisp display and intuitive keypad layout.
🗹 Support flexible deployment across cloud, on-premises and hybrid telephony systems.
🗹 Reduce desk clutter and simplify cabling with dual Ethernet connectivity.
🗹 Strengthen communication security with TPM 2.0 and Cisco enterprise protections.
🗹 Help users handle multiple calls efficiently with programmable line keys.
🗹 Deliver clear, natural conversations that support productivity and customer service.
🗹 Fit modern office environments with a sleek, professional carbon black design.
🗹 Provide a dependable Cisco IP desk phone that balances cost, performance and platform flexibility.
Specifications
Specifications for Cisco 9841 IP Desk Phone - Carbon Black (DP-9841-K9) | New
| Manufacturer | Cisco |
| Manufacturer Part Number | DP-9841-K9 |
| Product Name | Cisco 9841 IP Desk Phone |
| Product Type | VoIP Phone |
| Compatible Platforms | Cisco BroadWorks, Asterisk, Cisco Webex Calling, Cisco Webex Dedicate Instance (DI) |
| Integrated Components | Trusted Platform Module (TPM) 2.0 |
| Weight | 33.65 oz |
| Body Color | Carbon black |
| Body Material | ABS polycarbonate, 74% post-consumer recycled plastic |
| Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Call park/pickup |
| Caller ID Type | Caller ID/call waiting |
| Dialer Location | Base |
| Conference Call Capability | Yes |
| Speakerphone | Yes |
| Programmable Buttons Qty | 4 |
| Volume Control | Yes |
| Indicators | Speakerphone indicator, line status indicator, headset, mute indicator, busy lamp field (BLF), status, select indicator |
| Additional Functions | Call recording, mute, Music on hold, Do not disturb, conference mode, Kensington security slot, sleep mode, QR code access, one button to join (OBTJ) |
| Main Features | Integrated Ethernet switch |
| VoIP | Yes |
| VoIP Protocols | SIP, RTCP, RTP, SRTP, SDP |
| Voice Codecs | G.722, G.729a, iLBC, G.729b, iSAC, G.722.2, Opus, G.711a-law, G.711μ-law |
| Lines Supported | 4 lines |
| Quality of Service | IEEE 802.1Q (VLAN) |
| IP Address Assignment | DHCP, static |
| Security | IEEE 802.1X, EAP-TLS, EAP-FAST, FIPS 140-2, SRTP, TLS 1.3 |
| Power Over Ethernet (PoE) Support | Yes |
| Network Protocols | TFTP, 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 Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | Cisco WebEx, Cisco Unified Communications Manager |
| Voice Features | Comfort 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 Features | Class 2 PoE |
| Type | LCD display - grayscale |
| Display Location | Base |
| Diagonal Size | 3.5" |
| Display Resolution | 384 x 160 pixels |
| Backlit | Yes |
| Display Languages | Danish, 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) |
| Connections | Headset jack / RJ-9 ¦ 2 x network / RJ-45 ¦ USB / 4 pin USB Type A ¦ Console |
| Hearing Aid Compatible | Yes |
| Placing / Mounting | Desktop |
| Cables Included | Network cable |
| ENERGY STAR Certified | Yes |
| Power Consumption | 2.35 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) |
| Width | 8.4 in |
| Depth | 8.4 in |
| Height | 1.9 in |
| Weight | 33.65 oz |
User Guides
Frequently Asked Questions
Cisco 9841 IP Desk Phone
Frequently Asked Questions (FAQ's)
What is the Cisco 9841 IP Desk Phone used for?
It is a business IP phone designed for VoIP communication, unified collaboration and professional office use.
Does it support VoIP communication?
Yes, it is designed for SIP-based VoIP and unified communication platforms.
Does it include a color display?
Yes, it features a high-resolution color display for easier navigation and call management.
How is the audio quality?
It delivers premium HD voice audio for clear and professional communication.
Does it support multiple lines?
Yes, it supports multiple SIP lines for efficient business call handling.
Is it suitable for hybrid work environments?
Yes, it is ideal for office, remote and hybrid workplace deployments.
Does it include a speakerphone?
Yes, it features a full-duplex speakerphone for hands-free communication.
Can headsets be connected?
Yes, it supports compatible wired and wireless business headsets.
Does it support conferencing features?
Yes, it supports conferencing and collaboration capabilities.
Is it suitable for executives and professionals?
Yes, it is designed for enterprise users and professional business environments.
Does it support unified communications platforms?
Yes, it integrates with modern VoIP and unified communication systems.
Is it easy to deploy?
Yes, centralized provisioning and management tools simplify deployment.
Can firmware be updated?
Yes, firmware updates are supported for improved security and functionality.
Does it include enterprise security features?
Yes, advanced security helps protect business communications and data.
Can IT teams manage it remotely?
Yes, enterprise management tools support centralized administration.
Is it durable for business use?
Yes, it is built for long-term professional and enterprise operation.
Does it support call management features?
Yes, it includes advanced call handling and communication functions.
Is it energy efficient?
Yes, it is designed for efficient operation in professional environments.
Can it support high-volume communication environments?
Yes, it is suitable for busy offices and enterprise communication workflows.
Is it future-proof?
Yes, with VoIP compatibility, enterprise scalability and advanced collaboration features, it supports long-term business communication needs.