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CP-8811-K9 – VoIP phone
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CP-8811-K9 Description
The Cisco IP Phone 8811 (CP-8811-K9) is an affordable, enterprise-grade IP phone from the Cisco 8800 Series, designed for mid-level knowledge workers and businesses seeking reliable, secure, and high-quality communications.With a 5-inch widescreen display and support for five programmable line keys, the 8811 delivers an intuitive, user-friendly interface for handling calls, conferencing, and directories. The dual Gigabit Ethernet ports provide high-speed connectivity for both phone and PC, while wideband audio ensures crystal-clear voice quality in every conversation.Unlike higher-end models in the 8800 Series, the CP-8811-K9 does not include Bluetooth, USB, or expansion module support, making it a cost-effective choice for organizations that need essential VoIP functionality without advanced mobility or video features. It is fully compatible with Cisco Unified Communications Manager, Cisco Business Edition 6000, and Hosted Collaboration Solution, ensuring smooth integration into existing UC deployments.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Display |
5-inch widescreen grayscale display, 800 × 480 pixels |
|
Programmable Line Keys |
5 |
|
Ethernet Ports |
2× 10/100/1000BASE-T (LAN & PC passthrough) |
|
USB Port |
Not supported |
|
Bluetooth |
Not supported |
|
Expansion Module Support |
No |
|
Audio |
Wideband audio, full-duplex speakerphone, RJ-9 headset |
|
PoE Class |
IEEE 802.3af Class 1 (≤3.84W) |
|
Power Supply (Optional) |
Cisco Power Cube 4 (48V DC, 0.917A) |
|
Call Control Platforms |
Cisco UCM 12.5+, CME 10.0+, BE6000, HCS |
Product Front
The following table describes the Cisco IP Phone 8800 Series Buttons.
The Cisco IP Phone 8800 Series has two distinct hardware types:
- Cisco IP Phones 8811, 8841, 8851, 8851NR, and 8861—do not have a camera.
- Cisco IP Phones 8845, 8865, and 8865NR—have a built-in camera.
|
1 |
Incoming call or voicemail indicator |
|
2 |
Camera (Cisco IP Phone 8845 and 8865) |
|
3 |
Feature and session buttons |
|
4 |
Softkeys |
|
5 |
Back, Navigation cluster, and Release |
|
6 |
Hold, Transfer, and Conference |
|
7 |
Headset, Speakerphone, and Mute |
|
8 |
Voicemail, Applications, and Directory |
|
9 |
Volume |
Model Selection Guide – Cisco CP-8811-K9
Specifications
| Parameter | Specification |
|---|---|
| Model | Cisco IP Phone 8811 (CP-8811-K9) |
| Display | 5-inch widescreen VGA, 800 × 480 pixels, grayscale |
| Programmable Line Keys | 5; multi-call per line supported |
| Expansion Module | Not supported |
| USB Port | Not supported |
| Ethernet Ports | 2 × 10/100/1000BASE-T (LAN + PC), VLAN support, CDP, LLDP |
| Bluetooth | Not supported |
| Headset Support | RJ-9 wideband-capable |
| Speakerphone | Full-duplex, wideband audio, echo cancellation |
| Audio Codecs | G.711, G.722, G.722.2, G.729ab, iLBC, iSAC, Opus |
| PoE Support | IEEE 802.3af Class 1 (≤3.84W) |
| Optional Power | Cisco Power Cube 4, 48V DC, 0.917A |
| Call Control | CUCM 12.5+, CME 10.0+, BE6000, HCS |
| Security | Encrypted voice, Kensington lock slot |
| Dimensions | Weight: ~2.6 lb (1.18 kg), adjustable stand 35° & 50° |
Get More Information
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Quality Certifications
Customer Reviews
Questions & Answers
-
Why is the Cisco CP-8811-K9 a cost-effective standard phone for enterprise rollouts?
-
Is CP-8811-K9 compatible with Webex Calling and CUCM?
-
Does CP-8811-K9 support PoE and passthrough?
-
Can I use headsets with CP-8811-K9?
-
How does CP-8811-K9 compare to CP-8841-K9?
-
Is wall mounting supported?
-
What security features are available?
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How to minimize echo on speakerphone?
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What PoE class is recommended?
-
Troubleshooting choppy audio?
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Blessed with a clear connection. Delivery was miraculous… or just efficient.
Basic gigabit phone. Greyscale screen is fine for general staff. Reliability is key.
Good bulk pricing. Pallet arrived wrapped well.