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Cisco CP-840S-BUN-K9-RF 840S IP Phone - Refurbished Cordless VoIP with Wi-Fi - Bluetooth - 4" Display

SKU: CP-840S-BUN-K9-RF
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MSRP: $2,128.71
$2,128.71
$1,376.99
Save: $751.72 (35.31%)
Warranty Information: Covered by Manufacturer
Condition: Refurbished
Width: 1.23 (cm)
Height: 1.23 (cm)
Depth: 1.23 (cm)

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Product Features

Description

Product Overview

The Cisco CP-840S-BUN-K9-RF is a refurbished 840S IP phone designed for modern cordless VoIP communication. This model integrates Wi-Fi and Bluetooth wireless technologies, enabling flexible placement in office environments without Ethernet tethering constraints. Its 4-inch display provides clear call management and interface navigation, supporting efficient voice-over-IP operations.

As part of the Cisco 800 series, this phone maintains professional-grade VoIP functionality while offering the cost-effectiveness of a refurbished unit. It includes essential features like caller ID and a USB port for peripheral connectivity, packaged with environmental compliance to REACH standards. The cordless design and wireless capabilities make it suitable for dynamic workspaces where mobility and reliable internet-based calling are priorities.

This section brings together practical product details such as IP Phone Technology, Handset Connectivity Technology, Wireless Technology, Screen Size, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.

Weight
Weight
7.05 oz (200 g)
Communication & Connectivity
IP Phone TechnologyVoIP
Handset ConnectivityCordless
Wireless TechnologyWi-Fi, Bluetooth
Display & Interface
Screen Size4"
USB PortYes
Identification & Compliance
Caller IDYes
Environmental ComplianceREACH

Technical Overview

This Cisco IP phone operates on VoIP technology, delivering voice communication over internet protocols with support for Wi-Fi and Bluetooth connectivity. The cordless handset enhances user mobility, allowing free movement within wireless range while maintaining call quality. The 4-inch screen offers a functional interface for call handling and settings access.

Technical integration includes a USB port for connecting accessories or data transfer, and the phone supports caller ID for incoming call identification. It adheres to REACH environmental regulations, reflecting Cisco's commitment to sustainable manufacturing practices. The approximate weight of 7.05 ounces (200 grams) ensures a lightweight yet durable build for desk deployment.

This section brings together practical product details such as IP Phone Technology, Handset Connectivity Technology, Wireless Technology, Screen Size, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.

A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.

Screen Size4"
Weight7.05 oz (200 g)
VoIPCordlessWi-FiBluetoothCaller IDUSB

Key Product Advantages

The Cisco 840S IP phone combines cordless convenience with robust VoIP performance, making it an efficient choice for businesses seeking flexible communication solutions. Its wireless capabilities reduce cable clutter and support installation in areas where Ethernet access is limited.

Wireless Flexibility

Wi-Fi and Bluetooth connectivity enable seamless integration into existing networks without additional wiring, ideal for retrofitting older spaces or expanding phone systems.

  • Eliminates Ethernet cable dependencies
  • Supports mobile usage within range
  • Simplifies network setup

Refurbished Value

This refurbished unit offers reliable Cisco performance at a reduced cost, tested and restored to meet functional standards for budget-conscious deployments.

  • Cost-effective alternative to new
  • Maintains core VoIP features
  • Includes environmental compliance

Deployment / Use Cases

The cordless design and wireless features of the Cisco 840S make it well-suited for environments where mobility and easy installation are key. It can be deployed in offices, lobbies, or conference rooms without the need for extensive cabling, supporting quick setup and reconfiguration.

Common use cases include guest rooms in hospitality settings, where Wi-Fi connectivity allows for internet-based calling without dedicated phone lines, and open-plan offices where employees benefit from cordless mobility. The USB port adds versatility for connecting headsets or other peripherals, enhancing its utility in customer service or support roles.

Hospitality & Guest Areas

Deploy in hotel rooms or lobbies using existing Wi-Fi networks for cost-effective guest communication, reducing infrastructure costs while maintaining call clarity.

Flexible Office Spaces

Ideal for modern offices with dynamic seating arrangements, allowing employees to move freely while staying connected via VoIP calls over Wi-Fi or Bluetooth.

Physical Profile

The Cisco 840S IP phone features a compact and lightweight design, weighing approximately 7.05 ounces (200 grams). This makes it easy to place on desks or mount in various orientations without occupying excessive space. The cordless handset contributes to a clean, wire-free workspace, enhancing aesthetics and practicality in professional environments.

The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 7.05 oz (200 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.

Dimensions
Weight
7.05 oz (200 g)
[custom-highlights]

Highlights

  • Refurbished Cisco 840S IP phone with VoIP technology for internet-based calling
  • Cordless handset with Wi-Fi and Bluetooth wireless connectivity
  • 4-inch display for clear call management and interface navigation
  • Includes caller ID support for incoming call identification
  • USB port available for peripheral connections
  • Lightweight design at approximately 7.05 ounces (200 grams)
  • Environmentally compliant with REACH regulations
  • Part of the Cisco 800 series, ensuring professional-grade performance
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerCisco Systems, Inc
Manufacturer Part NumberCP-840S-BUN-K9-RF
Brand NameCisco
Product Series800
Product Model840S
Product Name840S IP Phone with Scanner, Battery, Cable, Charger
Product ConditionRefurbished
Product TypeIP Phone
Technical Information
IP Phone TechnologyVoIP
Handset Connectivity TechnologyCordless
Wireless TechnologyWi-Fi,Bluetooth
Caller IDYes
Display & Graphics
Screen Size4"
Interfaces/Ports
USBYes
Physical Characteristics
Weight (Approximate)7.05 oz (200 g)
Miscellaneous
Environmentally FriendlyYes
Environmental ComplianceRegistration, Evaluation, Authorization and Restriction of Chemicals (REACH)
[/custom-specifications][custom-user-manual]

User Manual

This section contains official documentation provided by the manufacturer, including product manuals, brochures, and supplementary materials.
[/custom-user-manual][custom-faq]

FAQ

What wireless technologies does this Cisco IP phone support?

This Cisco 840S IP phone supports both Wi-Fi and Bluetooth wireless technologies. Wi-Fi enables connectivity to local networks for VoIP calls over the internet, while Bluetooth allows pairing with compatible devices like headsets for hands-free communication. These features provide cordless flexibility without relying on Ethernet cables.

Is this phone refurbished, and what does that mean?

Yes, this Cisco CP-840S-BUN-K9-RF is a refurbished unit. Refurbished means it has been previously used or returned, then tested, repaired if necessary, and restored to functional condition. It offers reliable performance at a lower cost compared to new models, making it a budget-friendly option for business deployments.

What is the screen size on this IP phone?

The Cisco 840S IP phone features a 4-inch display. This screen size provides sufficient space for viewing caller ID, navigating menus, and managing calls effectively, balancing compact design with usability for everyday VoIP operations in office or hospitality settings.

Does this phone include caller ID functionality?

Yes, this Cisco IP phone includes caller ID functionality. It displays incoming call information on the 4-inch screen, allowing users to identify callers before answering. This feature enhances call management and productivity in business environments where screening calls is important.

What environmental standards does this phone comply with?

This phone complies with REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) environmental standards. REACH ensures that hazardous substances are controlled in manufacturing, reflecting Cisco's commitment to sustainability and reduced environmental impact in its products.

Can I connect accessories via USB on this phone?

Yes, this Cisco 840S IP phone includes a USB port for connecting accessories. You can use it to attach compatible devices such as headsets, flash drives, or other peripherals, adding versatility to the phone's functionality in office or support roles without requiring additional adapters.

How many SIP lines or accounts does this phone support?

Communication products are best understood through their line support, connectivity profile, and deployment fit. Those details help buyers confirm desk-phone or conference-room suitability before rollout.

What network or Ethernet connectivity is listed?

Communication products are best understood through their line support, connectivity profile, and deployment fit. Those details help buyers confirm desk-phone or conference-room suitability before rollout.

[/custom-faq]
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Cisco CP-840S-BUN-K9-RF 840S IP Phone - Refurbished Cordless VoIP with Wi-Fi - Bluetooth - 4" Display
MSRP: $2,128.71
$2,128.71
$1,376.99
Save: $751.72 (35.31%)
Out of stock