Cisco Model CP-8851 User Manual

The Cisco Model CP-8851 is a high-performance IP conference phone designed for medium to large conference rooms. It features wideband audio with full-duplex speakerphone, a large color touch screen, support for up to five expansion microphones, Bluetooth connectivity, and integration with Cisco Unified Communications Manager. 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. Making and Managing Calls 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Large color touch screen, Full-duplex wideband speakerphone, Expansion microphone ports, Bluetooth antenna, Ethernet port, Headset port.

Feature	Description
Color Touch Screen	5-inch capacitive touch screen for call control and settings
Full-Duplex Speakerphone	High-quality audio with echo cancellation for natural conversation
Expansion Microphone Ports	Supports up to five CP-MIC-C88 expansion microphones
Bluetooth	For connecting mobile devices or Bluetooth headsets
Gigabit Ethernet Port	For network connection and Power over Ethernet (PoE)
Headset Port	3.5mm jack for wired headset connection
USB Port	For future expansion and software updates
Volume Control	Dedicated buttons for speaker and microphone volume
MUTE	LED indicator button to mute microphone
POWER	Turns phone on/off (when not using PoE)

Installation

Unpack and inspect contents. Place on stable conference table.

Connect to Network: Use Ethernet cable to connect to PoE switch or injector.
Connect Expansion Microphones: Plug CP-MIC-C88 microphones into ports on back of unit.
Power On: Phone will power on automatically via PoE. If using AC adapter, plug into power outlet.
Position Phone: Place in center of table for optimal audio pickup.

WARNING! Use only approved power sources. Ensure Ethernet cable is securely connected.

First-Time Setup

Phone will boot and attempt to register with Cisco Unified Communications Manager.

Network Configuration: If using DHCP, phone will obtain IP automatically. For static IP, configure via touch screen menu.
Register with CUCM: Enter provided extension and authentication credentials if required.
Set Language: In Settings menu, select preferred language (default is ENGLISH).
Audio Calibration: Run built-in audio setup wizard for optimal speaker and microphone levels.
Configure Bluetooth: Pair with mobile devices or headsets if needed.

CAUTION! Do not disconnect power during firmware updates.

Specifications

Display: 5-inch color capacitive touch screen (800 x 480 pixels).
Audio: Full-duplex wideband (HD voice), Acoustic Fence technology.
Network: 10/100/1000 Mbps Ethernet, 802.3af PoE.
Wireless: Bluetooth 4.2.
Expansion: 5 ports for CP-MIC-C88 microphones.
Supported Protocols: SIP, SCCP, IEEE 802.1x.
Power Source: 802.3af PoE or 48V DC power adapter.
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Compliance: UC Certified, compatible with Cisco Unified Communications Manager.

Controls and Settings

Access settings via touch screen or web interface. Physical Controls: POWER, MUTE, Volume Up/Down for speaker and microphone.

Touch Screen: Home screen shows call lines, directories, settings. Swipe for additional features.

Audio Settings: Speaker volume, microphone gain, acoustic fence settings, equalizer. Network: IP configuration, VLAN, QoS. Bluetooth: Pairing and management. System: Language, time/date, screen brightness, admin password. Features: Call forward, DND, speed dials.

Connecting Devices

Expansion Microphones: Connect to rear ports. Network: Ethernet to PoE switch. Headset: 3.5mm jack. Bluetooth: Pair via settings.

Ensure phone is powered off before connecting expansion microphones.
Use certified Ethernet cables for network connection.
For Bluetooth pairing, enable discovery on peripheral device.

Tip: Use all five expansion microphones for large conference rooms to ensure full coverage.

Making and Managing Calls

Supports standard call functions and conference calling.

Make Call: Tap dial pad on screen, enter number, tap call button.
Answer Call: Tap answer button or swipe to answer.
End Call: Tap end call button.
Hold/Resume: Tap hold button during active call.
Transfer: Tap transfer, enter target number, tap transfer again.
Conference: During call, tap conference, dial second party, tap conference to merge.
Mute: Tap mute button on screen or press physical MUTE button (LED lights red).
Adjust Volume: Use physical volume buttons or on-screen slider.
Directory: Access corporate directory or personal contacts from home screen.

WARNING! Do not expose microphone elements to liquids. Keep phone away from excessive heat.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Independent volume controls for speaker, ringer, headset. Screen: Adjustable brightness and contrast. TTY Support: Compatible with teletype devices.

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth for screen and body. For stubborn marks, dampen cloth with water only.

CAUTION! Do not use abrasive cleaners, solvents, or aerosols. Avoid getting moisture into ports or openings.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. ICES-003: Complies with Canadian EMI standards. CE Mark: Conforms to European EMC and safety directives. Copyright © 2023 Cisco Systems, Inc. All rights reserved. For support, visit www.cisco.com/support or contact Cisco Technical Assistance Center.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	PoE/Power adapter	Check Ethernet connection to PoE switch; try AC power adapter.
No network registration	Network/DHCP settings	Verify IP address; check VLAN configuration; restart phone.
Poor audio quality	Network/Placement	Run audio setup wizard; check for network jitter; reposition phone.
Touch screen not responsive	Calibration	Restart phone; clean screen; check for screen protector interference.
Expansion mic not detected	Connection/Cable	Ensure mic is firmly connected; try different port; check cable.
Bluetooth pairing fails	Distance/Interference	Move devices closer; ensure Bluetooth is enabled on both; retry pairing.

Reset: Settings > System > Reset to factory defaults (requires admin password).

Service: Contact Cisco TAC or authorized service provider. Do not attempt to disassemble unit.