Cisco 8821-K9 Wireless IP Phone
by Cisco
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Display:
- Screen: 2.4-inch (240 x 320 pixels) color LCD display
- Backlit display with adjustable brightness for optimal visibility
- 4-level grayscale for a clear, bright interface
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Audio Features:
- Wideband audio support for HD voice clarity
- Full-duplex speakerphone with acoustic echo cancellation
- Handset: High-quality audio with noise reduction
- Dedicated keys for speakerphone, mute, volume control, and headset
- Supports a wide range of audio codecs: G.711, G.729, G.722, iLBC
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Connectivity:
- Wireless: Wi-Fi 802.11a/b/g/n (dual-band 2.4GHz and 5GHz) connectivity
- Bluetooth: Support for Bluetooth 4.0 for wireless headsets
- No wired Ethernet ports (fully wireless)
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Functionality:
- Line support: Up to 5 programmable lines for call management
- Soft keys: Four context-sensitive soft keys for simplified call handling
- Fixed feature keys: Hold, transfer, redial, voicemail, directories, and mute
- Vibration support for alerting in noisy environments
- Integrated LDAP directory support for quick contact lookup
- Customizable ringtones and ringer profiles
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Battery:
- Removable, rechargeable lithium-ion battery
- Talk time: Up to 13 hours
- Standby time: Up to 200 hours
- Supports fast charging via USB (2.5 hours for a full charge)
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Network & Security:
- IPv4 and IPv6 support for flexible network compatibility
- VLAN support for network segmentation
- Quality of Service (QoS): 802.1p, DSCP for prioritizing voice traffic
- Security: WPA2, AES, TLS, SRTP, and 802.1X for secure communications
- VPN support for secure remote access
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Power:
- Powered by a rechargeable battery (USB charging cable provided)
- Optional external power adapter for charging
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Dimensions & Weight:
- Dimensions: 5.3 in. x 2.5 in. x 0.9 in. (134 mm x 64 mm x 22 mm)
- Weight: Approx. 6.4 oz (181 grams)
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Operating Environment:
- Operating temperature: 32°F to 104°F (0°C to 40°C)
- Humidity: 10% to 90% (non-condensing)
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Compliance:
- Certifications: FCC, CE, UL, and other global regulatory certifications
- RoHS-compliant (Reduction of Hazardous Substances)
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Additional Features:
- Integrated Bluetooth for wireless headset support
- Push-to-talk (PTT) functionality for quick communication in noisy areas
- Rugged design for high durability (IP54-rated for water and dust resistance
| Model Number | 8821-k9 |
|---|---|
| SKU | 23964 |
Reviews
Description
Cisco 8821-K9 Wireless IP Phone
The Cisco 8821-K9 Wireless IP Phone is a rugged and versatile communication device designed for professionals who require reliable voice quality and mobility in challenging environments. With a 2.4-inch color LCD display, this phone offers a bright, clear interface for easy navigation of call management features, even in low-light conditions. The screen's backlight is adjustable to optimize visibility depending on the environment.
This IP phone delivers exceptional audio quality with wideband audio for high-definition voice clarity, supported by a full-duplex speakerphone that includes acoustic echo cancellation for clear, uninterrupted communication. The Bluetooth 4.0 support allows for wireless headset connectivity, ensuring hands-free convenience for users on the go. The dedicated buttons for speakerphone, mute, and volume control, along with vibration support, ensure that users can receive alerts in noisy work environments.
The Cisco 8821-K9 is equipped with Wi-Fi 802.11a/b/g/n dual-band (2.4GHz and 5GHz) connectivity, offering flexible wireless integration with corporate networks, eliminating the need for wired Ethernet connections. The phone can support up to 5 programmable lines, enabling users to manage multiple calls simultaneously, and it offers LDAP directory support for fast contact lookup, as well as customizable ringtones and alerts.
The phone is powered by a rechargeable lithium-ion battery, providing up to 13 hours of talk time and up to 200 hours of standby time. It also features fast charging capabilities through USB, allowing for a full charge in just 2.5 hours, ensuring minimal downtime.
Security is a key feature, with support for WPA2, AES, TLS, and SRTP, as well as VPN support for secure remote access. The phone also supports Quality of Service (QoS), IPv6, and VLAN for optimized network performance and security.
Designed to withstand tough conditions, the Cisco 8821-K9 is IP54-rated for water and dust resistance, making it ideal for industries such as manufacturing, warehousing, and healthcare, where mobility and durability are essential. With its comprehensive set of features, rugged build, and seamless wireless connectivity, the Cisco 8821-K9 Wireless IP Phone is the perfect solution for workers who need reliable communication on the move.
