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  • Cisco Desk Phone 9861 VoIP Phone with Trusted Platform Module (TPM) 2.0 (DP-9861-L-K9) | New
Cisco Desk Phone 9861 VoIP Phone with Trusted Platform Module (TPM) 2.0 (DP-9861-L-K9) | New

Cisco Desk Phone 9861 VoIP Phone with Trusted Platform Module (TPM) 2.0 (DP-9861-L-K9) | New

SKU: DP-9861-L-K9-N
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Overview

Overview of Cisco Desk Phone 9861 VoIP Phone with Trusted Platform Module (TPM) 2.0 (DP-9861-L-K9) | New

The Cisco Desk Phone 9861 (DP-9861-L-K9) with Trusted Platform Module (TPM) 2.0 is a next-generation collaboration endpoint designed for flexible, future-ready connectivity, exceptional call quality and enterprise security. This cutting-edge VoIP phone, which supports up to 130 lines and has a bright 5-inch color touchscreen, makes call management simple and is perfect for executive, hybrid and high-volume business settings. TPM 2.0, FIPS 140-2 compliance and sophisticated encryption methods provide strong security and AI-powered noise reduction and HD audio provide remarkable clarity in any environment. Utilize dual gigabit Ethernet, integrated Wi-Fi 5, Bluetooth 5.2, USB-A and USB-C connections to seamlessly interface with third-party SIP platforms, Cisco Webex Calling and CUCM. The 9861's ENERGY STAR accreditation and sustainability-focused design further establish it as the wise option for contemporary, ethical businesses.


Key Features of Cisco Desk Phone 9861


5-inch Color Touchscreen (800 x 480 px) with high-resolution, backlit interface for crystal-clear call management and quick navigation.

10 Programmable Line Keys with customizable keys with tri-color LEDs; manage up to 130 lines, contacts or functions.

Trusted Platform Module (TPM) 2.0 with hardware-based encryption secures device authentication and call integrity.

Integrated Wi-Fi 5 & Bluetooth 5.2 that offers wireless connectivity for flexible headset integration and cable-free deployment.

Dual Gigabit Ethernet Ports with PoE with fast networking and easy workspace integration for both phone and PC.

USB-A & USB-C Ports that connect headsets, charge devices, upgrade firmware or expand capabilities.

AI-Powered Noise Removal & HD Audio with advanced audio processing and wideband sound guarantee clarity even in busy settings.

Eco-Smart Build that is constructed with 74% post-consumer recycled plastic and ENERGY STAR certified.

Advanced Security Protocols with AES encryption, FIPS 140-2, TLS 1.3, WPA3, SRTP, secure boot and enterprise-grade Wi-Fi security.

Hot Desking & QR Sign-In that supports cloud workspace reservation and secure employee access via QR code.


Benefits of Cisco Desk Phone 9861


🗹 Ensure confidential conversations and data integrity with TPM 2.0 and industry-leading encryption.

🗹 AI-driven noise removal, wideband audio and full-duplex speakerphone provide flawless voice communication.

🗹 Handle any workflow with Wi-Fi, Bluetooth, Gigabit Ethernet, USB-A and USB-C device support.

🗹 Streamline high-volume operations with programmable keys and support for up to 130 lines.

🗹 Seamless integration with Webex, Unified Communications Manager and SIP platforms for true unified communications.

🗹 Eco-conscious design underscores your commitment to corporate responsibility and workplace wellness.

🗹 Supports hot desking, hybrid work and cloud management for agile business needs.

Specifications

Specifications for Cisco Desk Phone 9861 VoIP Phone with Trusted Platform Module (TPM) 2.0 (DP-9861-L-K9) | New

ManufacturerCisco
Manufacturer Part NumberDP-9861-L-K9
Product NameCisco Desk Phone 9861 VoIP Phone with Trusted Platform Module (TPM) 2.0
Product TypeVoIP Phone
Compatible Platforms
Cisco BroadWorks, Cisco Webex Calling, Cisco Webex Dedicate Instance (DI), Asterisk
Integrated Components
Trusted Platform Module (TPM) 2.0
Weight
2.41 lbs
Shipping Weight
3.31 lbs
Body Color
First light
Body Material
ABS polycarbonate, 74% post-consumer recycled plastic
Cordless Phone Standard
IEEE 802.11a/b/g/n/ac (Wi-Fi) / Bluetooth 5.2 LE + EDR
Bluetooth Profiles
Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Human Interface Device Profile (HID), Phonebook Access Profile (PBAP)
Call Services
Voice Mail, Caller ID, Call Waiting, Call Hold, Call Transfer, Call Forwarding, Call park/pickup
Caller ID Type
Caller ID/call waiting
Dialer Location
Base
Conference Call Capability
Yes
Speakerphone
Yes
Programmable Buttons Qty
10
Volume Control
Yes
Indicators
Speakerphone indicator, headset, mute indicator, calendar indicator, select indicator, line status indicator, status, busy lamp field (BLF)
Additional Functions
One button to join (OBTJ), QR code access, conference mode, mute, Music on hold, Do not disturb, call recording, sleep mode, Kensington security slot
Main Features
Integrated Ethernet switch
VoIP
Yes
VoIP Protocols
SIP, SDP, RTCP, RTP, SRTP
Voice Codecs
Opus, G.722, G.722.2, iSAC, G.711a-law, G.711μ-law, G.729a, G.729b, iLBC
Lines Supported
130 lines
Quality of Service
IEEE 802.1Q (VLAN), 802.11e (WMM)
IP Address Assignment
DHCP, static
Security
IEEE 802.1X, EAP-FAST, EAP-TLS, FIPS 140-2, TLS 1.3, SRTP, WPA3-Enterprise, PEAP-GTC, PEAP-MSCHAPv2, TKIP, AES
Power Over Ethernet (PoE) Support
Yes
Network Protocols
IPv4, IPv6, DHCP, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, Cisco Discovery Protocol (CDP), Link Layer Discovery Protocol (LLDP), Link Layer Discovery Protocol - Media Endpoint Discovery (LLDP-MED)
Network Ports Qty
2 x Ethernet 10Base-T/100Base-TX/1000Base-T
Compatible Software
Cisco WebEx, Cisco Unified Communications Manager
Voice Features
Acoustic echo cancellation (AEC), forward error correction (FEC), automatic gain control (AGC), comfort noise generation (CNG), voice activity detection (VAD), packet loss concealment (PLC), silence suppression, acoustic shock protection, adaptive jitter buffer (AJB), dual tone multi-frequency (DTMF), HD audio, ultrasonic support
Network Features
Class 3 PoE
Type
LCD display - color
Display Location
Base
Diagonal Size
5"
Display Resolution
800 x 480 pixels
Backlit
Yes
Display Languages
Brazilian Portuguese, Catalan, Czech, Danish, Dutch, Finnish, French, French Canadian, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Ukrainian, Chinese (simplified), Chinese (traditional), Chinese (Traditional, Hong Kong), Spanish (Columbia), UK English, US English
Connections
Headset jack / RJ-9 ¦ 2 x network / RJ-45 ¦ USB / 4 pin USB Type A ¦ USB Type-C / 24 pin USB-C
Hearing Aid Compatible
Yes
Placing / Mounting
Desktop
Cables Included
Network cable
Included Accessories
Stand
ENERGY STAR Certified
Yes
Width
9 in
Depth
1.9 in
Height
8.9 in
Weight
2.41 lbs

User Guides

Frequently Asked Questions

Cisco Desk Phone 9861 VoIP Phone with Trusted Platform Module (TPM) 2.0 (DP-9861-L-K9)
Frequently Asked Questions (FAQ's)



What’s the difference between the Cisco 9861 and 9851?
  • The 9861 generally includes enhanced hardware and audio features for more demanding users.
  • Is this phone suitable for government use?
  • Yes, TPM 2.0 and secure boot make it ideal for high-security environments like government or defense.
  • Can the Cisco 9861 be used with Webex Calling?
  • Yes, it fully supports Cisco Webex Calling for cloud-based VoIP.
  • Does it support Bluetooth or Wi-Fi?
  • Native Bluetooth or Wi-Fi may require an external dongle or module depending on configuration.
  • Can I use third-party headsets with this device?
  • Yes, both USB and RJ-9 headsets are supported as long as they meet standard compatibility.
  • How do I update the firmware?
  • Firmware can be updated remotely via CUCM or manually if needed.
  • Is a power adapter included?
  • No, it supports PoE by default. An AC adapter must be purchased separately if PoE is unavailable.
  • Does the phone offer contact directory and call history?
  • Yes, it features built-in contact directory, call logs, and customizable soft keys.
  • Can I mount this phone on a wall?
  • Wall mount kits are available separately for flexible installation.
  • How secure is the TPM 2.0 feature?
  • It meets FIPS and ISO standards for enterprise-grade security and hardware encryption.
  • Can the Cisco 9861 be remotely managed?
  • Yes, the phone supports remote provisioning and management via Cisco Unified Communications Manager or cloud-based platforms.
  • Is the screen adjustable or fixed?
  • The phone includes an adjustable footstand allowing you to tilt the screen for optimal viewing angles.
  • Does the Cisco 9861 include visual voicemail?
  • Yes, when configured with CUCM or compatible platforms, users can access and manage visual voicemail directly from the screen.
  • Can this phone be used internationally?
  • Yes, it supports multiple languages and international VoIP standards, making it suitable for global deployment.
  • What are the available call control options?
  • Supports Cisco UCM, Webex Calling and third-party SIP platforms for flexible call control.
  • Does the phone include Do Not Disturb (DND) and call forwarding?
  • Yes, both features are built-in and accessible via soft key configuration.
  • Is there a backup option if the network goes down?
  • The phone requires a VoIP connection; however, redundancy can be configured using failover servers or SIP trunking options.
  • How does the 9861 handle firmware corruption or tampering?
  • Secure boot and firmware verification ensure the device runs only trusted Cisco firmware, blocking corrupted or unauthorized code.
  • Is the Cisco 9861 ENERGY STAR certified?
  • Cisco adheres to energy-efficient design principles, and the 9861 is designed for low power consumption, especially in idle modes.
  • Can I use XML-based services on the phone?
  • Yes, the 9861 supports Cisco XML applications and custom third-party integrations for directory services, weather apps, and more.
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