Cisco DP-9851-L-K9 9851 IP Desk Phone First Light f/s
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DP-9851-L-K9
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DP-9851-L-K9 Overview
CISCO DP-9851-L-K9 Desk Phone 9851 - Voip Phone - With Trusted Platform Module (tpm) 2.0 With Caller Id/call Waiting - Sip, Rtcp, Rtp, Srtp, Sdp - 46 Lines - First Light.
Summary Description
Cisco DP-9851-L-K9 9851 IP Desk Phone First Light f/s
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Specifications
Overview
| Condition | New |
|---|---|
| Brand | Cisco |
| Stock | In Stock |
Key Features
| Product Type | Voip Phone |
|---|---|
| Compatible Platforms | CISCO Broadworks, CISCO Webex Calling, CISCO Webex Dedicate Instance (di), Asterisk |
| Integrated Components | Trusted Platform Module (tpm) 2.0 |
| Body Color | Carbon Black |
| Body Material | Abs Polycarbonate, 74% Post-consumer Recycled Plastic |
Phone Features
| Wireless Interface Provided | Nfc |
|---|---|
| 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 | 6 |
| 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 |
Ip Telephony
| 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.711u-law, G.729a, G.729b, Ilbc |
| Lines Supported | 46 Lines |
| Quality Of Service | Ieee 802.1q (vlan) |
| Ip Address Assignment | Dhcp, Static |
| Security | Ieee 802.1x, Eap-fast, Eap-tls, Fips 140-2, Tls 1.3, Srtp |
| 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 |
Display
| Type | Lcd Display - Color |
|---|---|
| Display Location | Base |
| Diagonal Size | 3.7 |
| Display Resolution | 240 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 |
Miscellaneous
| 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 |
Environmental Standards
| Energy Star Certified | Yes |
|---|
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) |
|---|
Frequently Asked Questions (FAQs)
What primary communication environment is the Cisco DP-9851-L-K9 designed to support? +
The DP-9851-L-K9 is engineered for high-demand enterprise environments requiring robust VoIP integration. It serves as a reliable endpoint for unified communications, providing clear audio quality and seamless connectivity within existing Cisco IP telephony infrastructures. This model is ideal for corporate offices, call centers, and administrative departments looking for consistent, professional-grade voice performance.
How does the DP-9851-L-K9 integrate with existing Cisco call control platforms? +
This device is built for native compatibility with Cisco Unified Communications Manager, ensuring smooth registration and configuration. By leveraging standard Cisco call control protocols, the phone integrates effortlessly into your network, allowing administrators to manage endpoints, push firmware updates, and maintain security policies across the entire VoIP environment without needing extensive third-party middleware.
Can the DP-9851-L-K9 handle simultaneous multi-line call handling? +
Yes, this model supports advanced multi-line configurations, enabling users to manage multiple active calls effectively. The interface is optimized to allow for easy call switching, conferencing, and line monitoring. It is a productive tool for professionals who need to juggle several lines while maintaining high call quality and professional presence throughout the workday.
What type of power sourcing is recommended for the DP-9851-L-K9 deployment? +
To optimize deployment efficiency, this IP phone typically supports Power over Ethernet (PoE). By using a PoE-enabled network switch, you can power the unit directly through the Ethernet cable, which eliminates the need for localized power bricks at every workstation. This simplifies cable management and enhances the overall cleanliness and reliability of your VoIP deployment.
Is the DP-9851-L-K9 suitable for large-scale enterprise rollouts? +
Absolutely. The DP-9851-L-K9 is a standard choice for enterprise-wide deployments due to its consistent performance and centralized management capabilities. Whether you are outfitting a single branch or multiple corporate locations, the device offers the scalability needed to handle high-volume provisioning tasks while maintaining stable voice signaling and audio quality across your network.
What are the primary management features for an administrator overseeing these phones? +
Administrators can manage the DP-9851-L-K9 through centralized Cisco management tools. These systems allow for remote configuration, security patching, and mass deployment of firmware. This streamlined management approach reduces the time required for maintenance and troubleshooting, ensuring that all devices in the organization remain compliant with internal security standards and operational requirements.
How is the audio quality maintained on the DP-9851-L-K9 during busy network periods? +
The phone employs Quality of Service (QoS) tagging, such as Differentiated Services Code Point (DSCP), to prioritize voice traffic over standard data traffic. By ensuring voice packets are treated with higher urgency, the device effectively minimizes jitter and packet loss, delivering consistent, clear audio even when the network infrastructure experiences high utilization or heavy data loads.
What kind of build quality and reliability can be expected from this Cisco IP phone? +
Designed for long-term daily usage, the DP-9851-L-K9 features a durable ergonomic design. Cisco constructs these endpoints to endure the rigors of professional office settings, offering excellent reliability in handset components, buttons, and display interfaces. Choosing this model means investing in a communication tool that minimizes hardware failure rates and supports the continuous uptime requirements of a modern business.
How can I request a bulk quote for the DP-9851-L-K9 on BuyRouterSwitch.com? +
For organizations requiring high-volume orders, BuyRouterSwitch.com makes the process simple. You can reach out to our dedicated sales team directly through our website to provide your specific quantity requirements. Our team will generate a competitive bulk quote tailored to your project needs, ensuring you receive the most efficient pricing for your enterprise infrastructure upgrades.
Why should I choose BuyRouterSwitch.com for my Cisco DP-9851-L-K9 purchase? +
BuyRouterSwitch.com is a trusted source for authentic enterprise networking hardware. We prioritize secure ordering processes and provide access to professional sales experts who understand the nuances of Cisco hardware. By choosing us, you ensure that you are receiving genuine product units for your business, backed by a commitment to supply chain transparency and professional service standards.
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