Cisco CP-6821-3PCC-K9 IP phone / endpoint
Brand: Cisco | Category: Accessories & Components
SKU: CSC-CP-6821-3PCC-K9 | Part #: CP-6821-3PCC-K9 | MPN: CP-6821-3PCC-K9
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About the Cisco CP-6821-3PCC-K9 IP phone / endpoint
The Cisco CP-6821-3PCC-K9 is a compact desktop IP phone built for unified communications environments where space and simplicity matter. This endpoint ships as a ready-to-deploy unit with all essential components—handset, wideband audio, and full-duplex speakerphone—integrated into a single charcoal gray chassis. Network engineers and IT procurement teams standardizing on Cisco platforms will appreciate its straightforward architecture and multi-platform support across Cisco Webex Calling, Cisco Unified Communications Manager, BroadSoft BroadWorks, and compatible hosted SIP environments.
The CP-6821-3PCC-K9 operates as a Second Line (SIP Third-Party Call Control) endpoint with two line appearances, making it ideal for receptionists, administrative staff, or multi-line office deployments. Its 3.5-inch monochrome grayscale LCD delivers essential call information without unnecessary complexity. Audio clarity is ensured through wideband HD capabilities on both the included handset and the integrated full-duplex speakerphone, while the 3.5 mm analog headset jack supports distributed workstyle scenarios. Connectivity includes a single 10/100 Mbps Ethernet port with IEEE 802.3af Power over Ethernet support, plus one USB Type-A port for future accessory integration. For security-sensitive deployments, the phone supports HTTPS and TLS/SRTP encryption for both signaling and media streams. Centralized provisioning via TFTP, HTTP, or HTTPS simplifies fleet management across distributed sites. An optional external power adapter is available for environments where PoE infrastructure is unavailable.
Key Specifications
- Manufacturer Part Number: CP-6821-3PCC-K9
- Series: Cisco IP Phone 6800 Series
- Call Control Protocol: SIP (Third-Party Call Control / 3PCC)
- Display: 3.5-inch monochrome grayscale LCD
- Line Appearances: 2
- Network Interface: 1 x 10/100 Mbps Ethernet (LAN port) with IEEE 802.3af PoE
To discuss integration with your infrastructure or request a formal quotation, contact the Omnixon Global team today.
Technical Specifications
| Brand | Cisco |
| Category | Accessories & Components |
| SKU | CSC-CP-6821-3PCC-K9 |
| Part Number | CP-6821-3PCC-K9 |
| Condition | New |
| Interface | 802.3af PoE |
| Manufacturer Part Number | CP-6821-3PCC-K9 |
| Series | Cisco IP Phone 6800 Series |
| Call Control Protocol | SIP (Third-Party Call Control / 3PCC) |
| Compatible Platforms | Cisco Webex Calling, Cisco Unified Communications Manager (SIP), BroadSoft BroadWorks, and compatible hosted SIP platforms |
| Line Appearances | 2 |
| Display | 3.5-inch monochrome grayscale LCD |
| Audio | Wideband HD audio (handset and full-duplex speakerphone) |
| Handset | Included |
| Built-in Speakerphone | Yes, full-duplex |
| Headset Jack | 3.5 mm analog headset port |
| USB Port | 1 x USB Type-A |
| Network Interface | 1 x 10/100 Mbps Ethernet (LAN port) |
| Power over Ethernet | IEEE 802.3af PoE supported |
| Power Supply | Optional external power adapter (not included in base configuration) |
| Provisioning | TFTP, HTTP/HTTPS centralized provisioning |
| Security | HTTPS, TLS/SRTP signaling and media encryption |
| Color | Charcoal Gray |
| Product Type | IP Desktop Phone / Endpoint |
Frequently Asked Questions about Cisco CP-6821-3PCC-K9 IP phone / endpoint
What does the Cisco CP-6821-3PCC-K9 IP phone / endpoint do?
The Cisco CP-6821-3PCC-K9 IP phone / endpoint is enterprise IT hardware deployed in production data centers, server rooms, and edge sites across the GCC and EMEA region.