The Cisco CP-8811 is a business-grade IP phone designed for desk use, featuring a high-resolution color display, support for up to 2 lines, integrated Gigabit Ethernet switch, Power over Ethernet (PoE) support, full-duplex speakerphone, headset port, and advanced telephony features like call hold, transfer, conference, and voicemail access. It is compatible with Cisco Unified Communications Manager (CUCM) and is typically deployed in enterprise environments. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: High-resolution color display, Handset, Keypad, Speakerphone, Headset jack, Ethernet ports, Power adapter port.
| Feature | Description |
|---|---|
| Display | High-resolution color LCD for call information and menus |
| Handset | Standard handset with receiver and microphone |
| Keypad | 12-key dial pad with additional feature keys |
| Speakerphone | Full-duplex for hands-free conversation |
| Headset jack | For connecting a wired headset |
| Ethernet ports | Two 10/100/1000 Mbps ports (network and PC) |
| Power over Ethernet (PoE) | Supported (802.3af Class 2) |
| Power adapter port | For optional external power supply |
| Volume control | Adjusts handset, speakerphone, and ringer volume |
| Message Waiting Indicator | LED for voicemail notification |
Unpack and inspect contents. Place on stable desk surface.
WARNING! Use only approved power adapter. Ensure cables are not pinched or damaged.
Phone will boot and attempt to register with Cisco Unified Communications Manager.
CAUTION! Configuration is typically managed by network administrator via CUCM.
Access menu via NAVIGATION button and softkeys. Keypad: Digits 0-9, *, #, and feature keys.
Softkeys: Context-sensitive buttons below display for Hold, Transfer, Conference, etc.
Settings (via Menu): Ringtone selection, display contrast/brightness, network configuration (typically admin-managed), audio settings (volume, mute), date/time format. Volume: Use VOLUME button for handset, speaker, ringer. Mute: Press MUTE button to mute microphone.
Network: Ethernet to NETWORK port. PC: Ethernet to PC port. Headset: 3.5mm plug to headset jack.
Tip: Label cables for easier identification and troubleshooting.
Supports standard and advanced call features via CUCM.
WARNING! Feature availability depends on CUCM configuration. Contact administrator for setup.
Visual alerts: Flashing LED for incoming calls. Audio adjustments: Volume control for ringer, handset, speaker. Hearing aid compatible: Handset meets TIA-1083 standard. For additional accessibility, consult CUCM administrator for features like amplified audio or text telephony (TTY) support.
Disconnect power before cleaning. Use soft, dry cloth for display and housing. For stubborn dirt, dampen cloth with water only; do not use solvents or abrasives.
CAUTION! Do not spray liquids directly on phone. Avoid extreme temperatures and humidity.
FCC Part 15: Class A digital device; complies with limits for business use. This device may not cause harmful interference and must accept any interference received. Copyright © Cisco Systems, Inc. All rights reserved. Cisco and the Cisco logo are trademarks of Cisco Systems, Inc. For support, visit www.cisco.com/support or contact Cisco Technical Assistance Center (TAC).
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Phone not powering on | Power/PoE issue | Check Ethernet cable; verify PoE switch is enabled; try power adapter. |
| No display or blank screen | Power/backlight | Check power; adjust display brightness in settings. |
| Not registering with CUCM | Network/config | Verify IP address (check network settings); confirm CUCM server reachable. |
| No audio on calls | Volume/mute/connections | Adjust volume; check mute status; ensure handset cord fully inserted. |
| Cannot make/receive calls | Registration/line config | Ensure phone is registered; check line assignment in CUCM. |
| Poor audio quality | Network/device | Check network for packet loss; try different handset/headset. |
Reset: To reset to factory defaults, press and hold # while powering on (admin may be required).
Service: Contact Cisco TAC or authorized service provider. Do not attempt internal repairs.