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Cisco Desk Phone 9851 - VoIP phone - with Trusted Platform Module (TPM) 2.0 with caller ID/call waiting
VoIP phone
with Trusted Platform Module (TPM) 2.0 with caller ID/call waiting
SIP, SDP, RTCP, RTP, SRTP
46 lines
carbon black
Weight: 1.34 KG
- Supports up to 46 lines for extensive call management
- Integrated Ethernet switch for simplified network connectivity
- ENERGY STAR certified, promoting energy efficiency
- Compatible with Cisco Unified Communications Manager and Cisco WebEx for versatile use
- Features like Do not disturb and Music on hold enhance user experience
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Overview
The Cisco Desk Phone 9851 is a sophisticated addition to any professional setting, offering a blend of functionality and efficiency designed to meet the demands of modern businesses. With its ENERGY STAR certification, this device not only ensures energy-efficient operation but also supports eco-friendly business practices with its construction from recycled materials. The phone's 3.7-inch color LCD display provides clear and vibrant visuals, enhancing user interaction and readability. Equipped with an integrated Ethernet switch and compatibility with both IPv4 and IPv6, it ensures seamless network integration and high-speed connectivity. The Cisco Desk Phone 9851 is engineered for superior voice communication, featuring HD audio and advanced voice features such as acoustic echo cancellation and voice activity detection, ensuring every conversation is clear. Its compatibility with Cisco Unified Communications Manager and Cisco WebEx makes it a versatile choice for businesses looking to streamline their communication platforms. With support for up to 46 lines and a suite of call management features, this phone is designed to enhance productivity and facilitate efficient communication in any professional environment.
Main Specifications
- Product Description
- Cisco Desk Phone 9851 - VoIP phone - with Trusted Platform Module (TPM) 2.0 with caller ID/call waiting
- Product Type
- VoIP phone - with Trusted Platform Module (TPM) 2.0 with caller ID/call waiting
- Compatible Platforms
- Cisco BroadWorks, Cisco Webex Calling, Cisco Webex Dedicate Instance (DI), Asterisk
- Main Features
- Integrated Ethernet switch
- 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
- 46 lines
- Speakerphone
- Yes
- Call Services
- Voice Mail, Caller ID, Call Waiting, Call Hold, Call Transfer, Call Forwarding, Call park/pickup
- Display
- LCD display - colour - Yes
- Network Ports Qty
- 2 x Ethernet 10Base-T/100Base-TX/1000Base-T
- Compatible Software
- Cisco WebEx, Cisco Unified Communications Manager
- Weight
- 968 g
- Body Colour
- Carbon black
- Environmental Standards
- ENERGY STAR Qualified
- Manufacturer Warranty
- 1-year warranty
Associated Documents
Product Features
Enhanced connectivity
With 2 x Ethernet 10Base-T/100Base-TX/1000Base-T network ports and support for both IPv4 and IPv6, the Cisco Desk Phone 9851 ensures seamless integration into any office network environment, facilitating high-speed connections and reliable communication.
High audio quality
The Cisco Desk Phone 9851 delivers HD audio with features like acoustic echo cancellation (AEC), adaptive jitter buffer (AJB), and voice activity detection (VAD), ensuring clear voice communication for both callers and recipients.
Versatile display options
A 3. 7-inch color LCD display with backlight and a resolution of 240 x 480 pixels offers vivid image clarity, making it easier to navigate through menus and read caller information at a glance.
Eco-friendly design
Constructed from 74% post-consumer recycled plastic and ABS polycarbonate, the Cisco Desk Phone 9851 combines durability with environmental responsibility, aligning with green business practices.
Comprehensive call management
Featuring a wide array of call services including Call Forwarding, Call Hold, Call Transfer, and Voice Mail, alongside programmable buttons, this phone streamlines communication and enhances productivity in the workplace.
What's in the box
Cisco Desk Phone 9851, Network cable
Specifications
General
- Body Colour
- Carbon black
- Product Type
- VoIP phone
- Integrated Components
- Trusted Platform Module (TPM) 2.0
- Weight
- 968 g
- Body Material
- ABS polycarbonate, 74% post-consumer recycled plastic
- Compatible Platforms
- Cisco BroadWorks, Cisco Webex Calling, Cisco Webex Dedicate Instance (DI), Asterisk
Manufacturer Warranty
- Service & Support
- Limited warranty - replacement - 1 year
Miscellaneous
- Placing / Mounting
- Desktop
- Cables Included
- Network cable
- Hearing Aid Compatible
- Yes
- Connections
- Headset jack / RJ-9, 2 x network / RJ-45, USB / 4 PIN USB Type A, USB Type-C / 24 pin USB-C
Power
- Power Consumption
- 2.82 W (power adapter, display off mode), 2.69 W (PoE, display off mode), 0.24 W (power adapter, deep sleep mode), 0.69 W (PoE, deep sleep mode)
IP Telephony
- IP Address Assignment
- DHCP, static
- Quality of Service
- IEEE 802.1Q (VLAN)
- Network Ports Qty
- 2 x Ethernet 10Base-T/100Base-TX/1000Base-T
- Network Features
- Class 3 PoE
- Lines Supported
- 46 lines
- Compatible Software
- Cisco WebEx, Cisco Unified Communications Manager
- 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
- 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)
- 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
- Security
- IEEE 802.1X, EAP-FAST, EAP-TLS, FIPS 140-2, TLS 1.3, SRTP
- Power Over Ethernet (PoE) Support
- Yes
- VoIP
- Yes
- Main Features
- Integrated Ethernet switch
Environmental Parameters
- ENERGY STAR Certified
- Yes
Display
- Backlit
- Yes
- Display Location
- Base
- Type
- LCD display - colour
- Diagonal Size
- 3.7"
- Display Resolution
- 240 x 480 pixels
- 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
Weight & dimensions
- Height
- 4.94 cm
- Weight
- 968 g
- Width
- 22.606 cm
- Depth
- 21.424 cm
Phone features
- Programmable Buttons Qty
- 6
- Conference Call Capability
- Yes
- Volume Control
- Yes
- Speakerphone
- Yes
- Dialer Location
- Base
- Wireless Interface Provided
- NFC
- Caller ID Type
- Caller ID/call waiting
- Call Services
- Voice Mail, Caller ID, Call Waiting, Call Hold, Call Transfer, Call Forwarding, Call park/pickup
- 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
- Indicators
- Speakerphone indicator, headset, mute indicator, calendar indicator, select indicator, line status indicator, status, busy lamp field (BLF)
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