Cisco Phone CP-8811 User Manual

The Cisco CP-8811 is a business-class IP phone designed for small to medium-sized businesses, featuring a high-resolution display, support for up to 2 lines, Power over Ethernet (PoE), Gigabit Ethernet ports, integrated headset port, speakerphone, and advanced telephony features. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Advanced Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-resolution LCD display, Handset, Keypad, Speakerphone, Headset port, Ethernet ports, Power connector.

Feature	Description
Display	High-resolution monochrome or color LCD for call information
Lines	Support for up to 2 lines with dedicated buttons
Speakerphone	Full-duplex speakerphone for hands-free calls
Headset Port	2.5mm or RJ-9 port for headset connection
Ethernet Ports	Two 10/100/1000 Mbps ports (LAN and PC)
Power	Power over Ethernet (PoE) or external power adapter
Hold	Places active call on hold
Transfer	Transfers calls to another extension
Conference	Sets up multi-party conference calls
Messages	Access voicemail and message waiting indicator

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Use Ethernet cable to connect LAN port to switch or router.
Connect PC (optional): Use second Ethernet cable from PC port to computer.
Power the phone: Use PoE from switch or connect external power adapter.
Connect handset: Plug handset cord into handset port.

WARNING! Ensure power source matches requirements. Use only approved power adapter.

First-Time Setup

Power on phone; follow on-screen prompts.

Network configuration: Phone obtains IP address via DHCP (default).
Register with call server: Enter server address provided by administrator.
Set user preferences: Configure time zone, language, ringtone.
Test call: Make a test call to verify functionality.

CAUTION! Ensure network cables are securely connected.

Specifications

Display: High-resolution LCD, monochrome or color.
Network: 10/100/1000 Mbps Ethernet, PoE (IEEE 802.3af).
Audio: Wideband audio support, HD voice.
Ports: Two Ethernet, headset (2.5mm/RJ-9), handset.
Protocols: SIP, SCCP.
Power: PoE or 48V DC power adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).
Dimensions: Standard desk phone size.

Controls and Settings

Access settings via phone menu or web interface. Front Panel: Line buttons, Hold, Transfer, Conference, Messages, Speakerphone, Mute, Volume control.

Keypad: Numeric buttons, *, #, Navigation arrows, Soft keys.

Basic Settings: Time/Date, Language, Ringtone, Display contrast. Network: IP configuration, VLAN, QoS. Telephony: Call forward, Do not disturb, Speed dials. Security: Admin password, PIN.

Connecting Devices

Network: LAN port to switch. PC: PC port to computer. Headset: 2.5mm or RJ-9 connector.

Turn off devices before connecting.
Match cables to ports (Ethernet to LAN/PC).
Verify link lights on Ethernet ports.

Tip: Use quality Ethernet cables for reliable connection.

Advanced Features

Supports call forwarding, conferencing, speed dial, call history.

Call Forward: Press CFwdAll, enter destination number.
Conference: During call, press Conf, dial second party, press Conf again.
Transfer: During call, press Transfer, dial destination, press Transfer again.
Speed Dial: Assign frequently dialed numbers to speed dial buttons.
Call History: Press Directories to view missed, received, placed calls.
Do Not Disturb: Activate to silence rings and send calls to voicemail.
Headset Mode: Toggle between handset and headset.

WARNING! Configure advanced features per administrator guidelines.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Volume control for ringer, handset, speaker. TTY Support: Compatible with teletype devices.

Care & Cleaning

Unplug before cleaning. Use dry, lint-free cloth; avoid liquids.

CAUTION! Do not use abrasive cleaners; keep away from moisture.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Power/connection	Check power source; verify PoE or power adapter; reseat cables.
No dial tone	Network/registration	Verify network connection; check registration with call server.
Poor audio quality	Network/device	Check network QoS settings; test with handset and speakerphone.
Cannot make/receive calls	Configuration	Verify line configuration; contact administrator.
Phone not registering	Server/network	Check server address; verify DHCP; restart phone.

Reset: Press and hold # to factory reset if needed.

Service: Contact Cisco Technical Support; www.cisco.com