• Cisco DP-9811-K9 carbon black VoIP desk phone with display and keypad
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Cisco

Cisco DP-9811-K9 | VoIP desk phone | PoE powered (802.3af) | wideband audio | speakerphone & headset support | No NFC | Carbon Black

DP-9811-K9

POA
POA
POA
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Description

Professional IP desk phone for enterprise calling with a clean Carbon Black finish. Delivers wideband audio for clear conversations, a full‑duplex speakerphone for hands‑free use, and headset support for focused work. Power is supplied via PoE to simplify cabling. Ideal for hybrid offices, hot‑desks, and common areas.

Features

Wideband audio for clear voice quality
- Full‑duplex speakerphone for hands‑free calls
- PoE power for simple, single‑cable deployment
- Secure signaling and media when enabled
- Ergonomic keys and backlit display for easy navigation
- No NFC for environments with strict device policies

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

Calling: Enterprise VoIP endpoint for desk deployment
- Audio: Wideband voice with noise‑reduction enhancements
- Power: IEEE 802.3af PoE (no external PSU required in PoE environments)
- Security: Encrypted signaling/media (e.g., TLS/SRTP) when enabled by call control
- Headset: Wired headset support (interface type model/cable dependent)
- Display: Backlit display for call status and navigation
- Network: Integrated Ethernet for LAN connectivity
- NFC: Not present (NoNFC variant)

FAQs

Q: Does this phone require external power?
A: No, it can be powered via IEEE 802.3af PoE. An external adapter is only needed if PoE is unavailable.

Q: Which call control systems does it work with?
A: It interoperates with supported enterprise IP telephony/call control platforms using standard VoIP protocols as licensed and configured.

Q: Is NFC available on this model?
A: No. This is the NoNFC variant.

Q: Can I connect a headset?
A: Yes. It supports headsets; the specific connector/cable type depends on the headset and phone configuration.

Datasheet

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