Cisco CP-7821-K9 IP Phone 7821 2-Line 3.5-Inch PoE
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Call Now: +971-4-3360300Key Features Of The CP-7821-K9
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2 programmable line keys
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3.5-inch graphical grayscale display
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396 × 162 pixel resolution
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10/100 Mbps Ethernet switch
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2 × RJ-45 Ethernet ports
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Wideband audio
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Full-duplex speakerphone
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IEEE 802.3af PoE Class 1
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Cisco EnergyWise support
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Cisco Webex Phone OS
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SIP signaling
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On-premises, hosted and Webex Calling support
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Cisco Expressway remote-worker support
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Replaceable bezel option
Cisco CP-7821-K9 IP Phone 7821
Business-class two-line IP phone with a 3.5-inch graphical display, 10/100 Ethernet, wideband audio, full-duplex speakerphone and IEEE 802.3af PoE Class 1 support.
The phone is designed for information workers, teleworkers, administrative users and other employees with occasional-to-light or light-to-moderate voice communication requirements. Its graphical display provides clear access to calling information, directories, messaging and supported phone functions.
Cisco supports flexible deployment models including on-premises, hosted and Webex Calling environments, as well as supported third-party call-control platforms, subject to the applicable software and licensing requirements.
3.5-Inch Graphical Display
The CP-7821-K9 features a 3.5-inch graphical grayscale display with a resolution of 396 × 162 pixels. The anti-glare white-backlit display is designed to provide clear visibility of caller information, directory entries, menus, messaging and phone functions.
- 3.5-inch graphical grayscale display
- 396 × 162 pixel resolution
- Anti-glare display surface
- White backlighting
- Clear presentation of call and directory information
- Context-sensitive user interface
Two Programmable Line and Feature Keys
The Cisco CP-7821-K9 provides two programmable line and feature keys. These keys can be configured for directory numbers, speed dialing and supported call functions, giving users quick access to commonly used communication features.
Wideband Audio and Full-Duplex Speakerphone
The CP-7821-K9 provides wideband audio and a full-duplex speakerphone for clear business communication. The audio system supports handset, speakerphone and compatible headset use.
- Wideband audio support
- Full-duplex speakerphone
- Hands-free business communication
- Wideband audio through handset and speaker
- Support for compatible headsets
- Clear voice communication for enterprise environments
10/100 Ethernet Connectivity
The Cisco CP-7821-K9 incorporates an integrated 10/100BASE-T Ethernet switch through two RJ-45 ports. One port connects the phone to the network while the second provides downstream Ethernet connectivity to a desktop computer or another supported network device.
- 10/100 Mbps Ethernet connectivity
- Integrated Ethernet switch
- Two RJ-45 Ethernet ports
- PC pass-through connectivity
- Single desktop network connection for phone and PC
Power over Ethernet
The CP-7821-K9 supports IEEE 802.3af Power over Ethernet Class 1. PoE allows the phone to receive power through the Ethernet network connection when connected to a compatible PoE-enabled switch or power source.
Enterprise Calling Features
The CP-7821-K9 provides a range of enterprise telephony functions when deployed with a compatible call-control platform. These capabilities help users manage everyday business communications efficiently.
- Call hold and resume
- Call transfer
- Call forwarding
- Conference calling
- Call history
- Redial
- Speed dialing
- Corporate directory access
- Messaging and voicemail functions
- Caller identification
- Shared line support
- Service and directory access
- Two-way navigation controls
Cisco Webex Phone OS
The CP-7821-K9 uses the Cisco Webex Phone OS platform, providing a common software approach across supported Cisco IP Phone 7800 and 8800 Series devices. This helps simplify administration and software management in supported Cisco environments.
Cisco Expressway Remote Worker Support
Cisco Expressway can support remote-worker access for compatible deployments, allowing users to access supported collaboration services without requiring a traditional VPN client. Availability and functionality depend on the Cisco collaboration architecture and software configuration.
- Remote-worker deployment support
- Cisco Expressway integration
- Single sign-on access in supported environments
- Suitable for distributed enterprise users
Energy Efficiency
The Cisco IP Phone 7821 is designed with energy-efficiency features for business environments. It supports Cisco EnergyWise and Power over Ethernet Class 1 operation. Cisco documentation also identifies the 7821 as Energy Star certified.
- PoE Class 1 operation
- Cisco EnergyWise support
- Energy-efficient enterprise endpoint design
- Power-saving capabilities for supported deployments
- Designed to reduce desktop power consumption
Network and Deployment
The CP-7821-K9 is designed for enterprise IP communication networks and can be deployed as part of a centralized business telephony infrastructure. Its integrated 10/100 Ethernet switch provides phone connectivity and a downstream connection for compatible desktop equipment.
Ideal Applications
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Cisco |
| Model | CP-7821-K9 |
| Product Type | Business IP Phone |
| Series | Cisco IP Phone 7800 Series |
| Display | 3.5-inch Graphical Grayscale Display |
| Display Resolution | 396 × 162 pixels |
| Display Backlight | White Backlight |
| Display Type | Anti-Glare Graphical Monochrome |
| Programmable Line Keys | 2 |
| Soft Keys | 4 |
| Fixed Feature Keys | 11 |
| Ethernet | 10/100BASE-T |
| Ethernet Ports | 2 × RJ-45 |
| Integrated Switch | 10/100 Mbps |
| Audio | Wideband |
| Speakerphone | Full Duplex |
| Signaling Protocol | SIP |
| PoE | IEEE 802.3af |
| PoE Class | Class 1 |
| Operating System | Cisco Webex Phone OS |
| Energy Management | Cisco EnergyWise |
| Wi-Fi | Not Supported |
| Bluetooth | Not Supported |
| Network Standard | IEEE 802.3 / IEEE 802.3af |
| Operating Temperature | 0°C to 40°C |
| Operating Humidity | 10% to 90%, non-condensing |
| Dimensions | 20.7 × 20.6 × 2.8 cm, excluding foot stand |
| Weight | 867 g |
| Wall Mount | Supported |
| Replaceable Bezel | Silver option available |
Product Lifecycle and Replacement
Why Choose Cisco CP-7821-K9?
- Two programmable line and feature keys
- 3.5-inch 396 × 162 graphical grayscale display
- 10/100 Mbps integrated Ethernet switch
- Two RJ-45 Ethernet ports
- Wideband audio
- Full-duplex speakerphone
- IEEE 802.3af PoE Class 1
- Cisco EnergyWise support
- Cisco Webex Phone OS platform
- SIP signaling support
- On-premises, hosted and Webex Calling deployment options
- Cisco Expressway support for compatible remote-worker deployments
- Suitable for information workers and light-to-moderate voice users
Product Information
| Product Name | Cisco CP-7821-K9 IP Phone 7821 2-Line 3.5-Inch PoE |
|---|---|
| Weight | 1.170000 |
| Interface | 10/100 Ethernet |
| Ethernet | 10/100 Mbps |
| I/O Port | 2 × RJ-45 Ethernet |
| Operating System | Cisco Webex Phone OS / IP Phone Firmware |
| Network/Network Standard | IEEE 802.3 |
| Dimensions | 22.91 × 25.73 × 4.00 cm |
| Power Supply (PoE) | IEEE 802.3af Class 1 |
| Manufacturer | Cisco |
| Color | Black |
| Country of Origin | United States |
Product Datasheet
