cisco phone model number cp-8841 manual

The Cisco CP-8841 is a high-performance, multi-line IP phone designed for busy professionals and executives. It features a large color display, high-definition voice quality, built-in Gigabit Ethernet switch, support for Power over Ethernet (PoE), and extensive programmability for integration with Cisco Unified Communications Manager. Below are key sections covering features, installation, configuration, operation, and troubleshooting.

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

Features at a Glance

Key components: Large color LCD display, Handset, Speakerphone, Programmable line/speed-dial keys, Navigation cluster, Volume rocker, Headset port, Ethernet ports.

FeatureDescription
Display5-inch color LCD with touch capability
AudioHigh-definition wideband audio, built-in speakerphone
NetworkDual Gigabit Ethernet ports (10/100/1000) with integrated switch
PowerPower over Ethernet (PoE) or external power adapter
Headset Port3.5mm headset jack for hands-free operation
Programmable KeysUp to 10 programmable line/speed-dial keys
Navigation Cluster5-way navigation pad for menu control
Volume RockerAdjusts handset, headset, speakerphone, and ringer volume
SecuritySupport for 802.1X authentication, encrypted signaling
ProtocolsSIP and SCCP support

Installation

Unpack and inspect contents. Place on stable desk surface.

  1. Connect to Network: Plug Ethernet cable from switch into the NETWORK port on phone.
  2. Connect PC (Optional): Plug PC Ethernet cable into the PC port on phone.
  3. Connect Handset: Plug handset cord into the HANDSET port.
  4. Connect Headset (Optional): Plug headset into 3.5mm headset jack.
  5. Apply Power: Use PoE from switch or connect external power adapter to DC IN port.

WARNING! Use only approved power adapter. Ensure cables are securely connected.

First-Time Setup

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

  1. Network Configuration: Ensure phone obtains IP via DHCP or configure static IP if required.
  2. Registration: Phone will auto-register if pre-provisioned in CUCM. Check extension assignment.
  3. Verify Connectivity: Check for "Registered" status on screen.
  4. User Preferences: Set up personal directory, speed dials, ringtones via phone settings menu.

CAUTION! Do not unplug during firmware upgrade. Contact administrator for configuration changes.

Specifications

Controls and Settings

Access menu via NAVIGATION pad or touch screen. Front Buttons: MUTE, SPEAKERPHONE, HEADSET, NAVIGATION cluster, programmable keys.

On-Screen Menu: Settings, Directory, Messages, Applications, Status.

Settings: Network configuration, Audio settings (ringer, volume), Display (brightness, contrast), Phone configuration (time/date, language). Programmable Keys: Configure via CUCM administration or phone web interface for line appearances, speed dials, BLF. Audio: Adjust handset, headset, speaker, ringer volume via rocker. Security: Configure authentication, encryption in network settings.

Connecting to Network

Network: Use CAT5e or higher cable to NETWORK port. PC: Connect to PC port for pass-through.

  1. Ensure switch port provides PoE or connect power adapter.
  2. Phone boots and displays network acquisition progress.
  3. Check IP address in Settings > Network > Ethernet Status.
  4. Verify registration status on home screen.

Tip: For static IP, configure via phone web interface (access via IP address).

Making and Receiving Calls

Supports multiple lines, call hold, transfer, conference, forward.

  1. Make Call: Lift handset or press SPEAKERPHONE/HEADSET, dial number, press DIAL softkey or #.
  2. Answer Call: Lift handset, press SPEAKERPHONE, or press ANSWER softkey.
  3. Hold: Press HOLD softkey during active call.
  4. Transfer: Press TRANSFER, dial target number, press TRANSFER again.
  5. Conference: Press CONFERENCE, dial participant, press CONFERENCE again to merge.
  6. Forward: Press CFwdALL softkey, enter destination number.
  7. Voicemail: Press MESSAGES key or dial voicemail access number.
  8. Directory: Use DIRECTORIES key to access personal/corporate directory.

WARNING! Emergency calls may require direct dialing; verify local emergency number.

Accessibility Features

High-Contrast Display: Adjust in Display settings. Hearing Aid Compatible (HAC): Handset is HAC rated. Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Independent volume controls for ringer, speaker, handset.

Care & Cleaning

Unplug power before cleaning. Use slightly damp, lint-free cloth for display and body. Do not use abrasive cleaners or sprays.

CAUTION! Avoid moisture entering ports. Keep away from extreme heat and direct sunlight.

Regulatory Information

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

Troubleshooting

SymptomPossible CauseCorrective Action
Phone not powering onPower sourceCheck PoE switch or power adapter connection; try different cable.
No network connectivityCable/DHCPVerify Ethernet cable; check DHCP server; restart phone.
Not registeredConfigurationVerify SIP/CUCM server settings; check username/password.
No audio on callsVolume/networkAdjust volume; check network QoS; verify codec configuration.
Display is blankPower/brightnessCheck power; adjust display brightness in settings.
Cannot make callsDial plan/registrationVerify dial plan rules; ensure phone is registered.

Reset: Settings > Admin Settings > Reset Settings (factory reset).

Service: Cisco Technical Assistance Center: 1-800-553-2447; www.cisco.com/go/support

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