The Cisco CP 8811 is a business-class IP phone designed for desk use, featuring a high-resolution color display, support for multiple lines, Power over Ethernet (PoE), integrated Gigabit Ethernet switch, HD voice quality, and compatibility with Cisco Unified Communications Manager. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: High-resolution color display, Handset, Speakerphone, Ethernet ports, Power adapter port, Headset jack.
| Feature | Description |
|---|---|
| Display | High-resolution color LCD with backlight |
| Handset | Full-duplex speakerphone with HD voice |
| Ethernet Ports | Two 10/100/1000 Mbps ports (LAN and PC) |
| Power over Ethernet (PoE) | IEEE 802.3af compliant for single-cable power |
| Headset Jack | 3.5mm port for wired headset connection |
| Line Keys | Programmable buttons for multiple lines/features |
| Volume Control | Dedicated buttons for handset, speaker, and ringer |
| Navigation Cluster | Directional pad for menu navigation |
| Mute Button | Red LED indicates when microphone is muted |
| Power Button | Turns phone on/off (standby mode) |
Unpack and inspect contents. Place on stable desk surface.
WARNING! Use only approved power adapter. Ensure cables are securely connected to avoid damage.
Power on phone; follow on-screen prompts.
CAUTION! Do not disconnect during firmware upgrade. Ensure stable network connection.
Access menu via NAVIGATION cluster or dedicated buttons.
Front Panel: LINE keys, NAVIGATION cluster, MUTE, HEADSET, SPEAKERPHONE, VOLUME controls.
Settings Menu: Network configuration, Audio settings (ringer, speaker, handset volume), Display (contrast, backlight timeout), Phone model information, Firmware version.
Call Features: Hold, Transfer, Conference, Forward, Voicemail access via softkeys or dedicated buttons.
Network: LAN port to switch. PC: PC port to computer. Headset: 3.5mm jack.
Tip: Use Cat5e or better Ethernet cables for Gigabit performance.
Supports basic and advanced telephony features.
WARNING! Do not expose phone to liquids. Use approved accessories only.
Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Independent volume controls for ringer, handset, speaker. High-Contrast Display: Adjustable screen settings in menu.
Unplug power before cleaning. Use slightly damp, lint-free cloth; no abrasive cleaners.
CAUTION! Do not spray liquids directly on phone. Keep away from extreme temperatures.
FCC Part 15: Class A digital device; complies with limits for commercial environments. Copyright © Cisco Systems, Inc. All rights reserved. For support, visit www.cisco.com or contact Cisco Technical Assistance Center (TAC).
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | PoE/Power adapter | Check Ethernet cable/PoE switch; verify power adapter connection. |
| No network connection | Cable/DHCP | Ensure LAN cable is secure; check switch port; verify DHCP server. |
| No dial tone | Registration/Configuration | Check phone registration status on CUCM; verify line configuration. |
| Poor audio quality | Network/Codec | Check network for packet loss; verify codec configuration matches network. |
| Display issues | Settings/Power | Adjust contrast/brightness in settings; restart phone. |
Reset: Press and hold # key during boot for factory reset (erases all settings).
Service: Contact Cisco TAC: 1-800-553-2447; www.cisco.com/support