Cisco CP-6921-C-K9 IP phone / endpoint
Brand: Cisco | Category: Accessories & Components
SKU: CSC-CP-6921-C-K9 | Part #: CP-6921-C-K9 | MPN: CP-6921-C-K9
Contact for Pricing — Request a Quote
About the Cisco CP-6921-C-K9 IP phone / endpoint
The Cisco CP-6921-C-K9 IP phone / endpoint from Cisco is enterprise-grade Accessories & Components hardware built for data centers. It features 802.3af PoE interface. The Cisco CP-6921-C-K9 is a fixed two-line SIP IP desk phone designed for general business communications in Cisco Unified Communications Manager (UCM) and Webex Calling environments. Built on Cisco's 6900 series architecture, it delivers HD wideband audio across both its handset and full-duplex speakerphone, ensuring clear voice quality for everyday enterprise telephony workloads. The charcoal (C) color variant ships with a single built-in Ethernet port and an integrated swi Available in brand new condition. Cisco accessories & components products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
Technical Specifications
| Brand | Cisco |
| Category | Accessories & Components |
| SKU | CSC-CP-6921-C-K9 |
| Part Number | CP-6921-C-K9 |
| Condition | New |
| Interface | 802.3af PoE |
| Manufacturer Part Number | CP-6921-C-K9 |
| Product Series | Cisco 6900 Series IP Phones |
| Color | Charcoal |
| Signaling Protocols | SCCP, SIP |
| Number of Lines | 2 |
| Display | Monochrome grayscale LCD |
| Audio Features | HD wideband audio, full-duplex speakerphone, wideband handset |
| Headset Support | Yes — RJ-9 headset port |
| Network Interface | Two 10/100 Mbps Ethernet ports (one LAN uplink, one PC pass-through switch port) |
| Power | IEEE 802.3af Power over Ethernet (PoE); optional external power adapter (sold separately) |
| Call Control Compatibility | Cisco Unified Communications Manager (UCM), Webex Calling |
| Programmable Feature Keys | 2 line/feature keys |
| Fixed Feature Keys | Hold, Mute, Volume, Redial, Voicemail, Directories, Settings, Speakerphone |
| Codecs Supported | G.711, G.722, G.729a |
| Security | SRTP media encryption, TLS signaling, 802.1X port authentication |
| Mounting | Desk mount (wall mount kit available as optional accessory) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Form Factor | Desktop IP phone |
Frequently Asked Questions about Cisco CP-6921-C-K9 IP phone / endpoint
What does the Cisco CP-6921-C-K9 IP phone / endpoint do?
The Cisco CP-6921-C-K9 IP phone / endpoint is enterprise IT hardware deployed in production data centers, server rooms, and edge sites across the GCC and EMEA region.