Cisco Phone Manual CP 8841

The Cisco CP 8841 is a high-performance IP phone designed for business environments, featuring a large color display, support for up to 12 lines, integrated Gigabit Ethernet, PoE support, HD voice quality, built-in Bluetooth, and advanced call management 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 Call Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

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

Feature	Description
Display	5-inch color LCD with touch capability
Network Ports	Dual Gigabit Ethernet (LAN/PoE and PC)
Audio	HD Voice, Full-duplex speakerphone, Wideband audio
Wireless	Integrated Bluetooth for headsets/mobile devices
Headset Port	3.5mm jack for wired headset connection
Line Keys	Up to 12 programmable line/speed dial keys
Navigation Cluster	5-way navigation pad for menu control
Power	PoE (802.3af) or optional AC power adapter
Security	Encrypted voice, secure boot, tamper protection
Protocols	SIP and SCCP support

Installation

Unpack and inspect contents. Place on stable desk surface.

Connect to Network: Plug Ethernet cable from switch into LAN/PoE port.
Connect PC: Use PC port to connect computer for pass-through networking.
Connect Handset: Attach coiled handset cord to phone and handset.
Power: Use PoE or connect optional AC power adapter.

WARNING! Use only approved power sources. Ensure cables are not pinched or damaged.

First-Time Setup

Power on phone; follow on-screen prompts.

Network Registration: Phone will attempt to obtain IP and register with call server.
Configure Settings: Use Settings menu to set language, time zone, ringtones.
Program Keys: Assign line appearances or speed dials via key configuration.
Test Calls: Make test call to verify audio quality and connectivity.

CAUTION! Keep phone away from liquids and extreme temperatures.

Specifications

Display: 5-inch color LCD, 480 x 272 resolution.
Network: Dual 10/100/1000 Mbps Ethernet ports, PoE 802.3af Class 2.
Audio Codecs: G.711, G.722, G.729, iLBC, Opus.
Bluetooth: Version 4.2, support for headsets and mobile devices.
Memory: 256 MB RAM, 512 MB Flash.
Protocols: SIP (Session Initiation Protocol), SCCP (Skinny).
Power Source: PoE or 12V DC power adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access menu via Settings button or touch screen. Front Panel: Mute, Speakerphone, Headset, Volume, Navigation pad.

Soft Keys: Context-sensitive buttons below display for call functions.

Settings: Network configuration, Audio settings (ringer volume, handset/speaker gain), Display (brightness, contrast, backlight timeout), Phone model (SIP parameters, server address). User Preferences: Ringtone selection, language, time format, call forwarding, speed dials.

Connecting Devices

Network: LAN/PoE port to switch. PC: PC port to computer. Headset: 3.5mm jack or Bluetooth.

Turn off phone before connecting wired headset.
Pair Bluetooth headset via Settings > Bluetooth > Add Device.
Select audio path via Headset button or settings.

Tip: Use certified headsets for optimal audio quality and compatibility.

Advanced Call Features

Supports hold, transfer, conference, forward, park, and intercom.

Make Call: Lift handset or press Speaker/Headset, dial number.
Answer Call: Lift handset, press Answer soft key, or Speaker.
Hold: Press Hold button during active call.
Transfer: Press Transfer, dial target, press Transfer again.
Conference: Press Conference, dial participant, press Conference to join.
Forward: Settings > Call Forward > Always/No Answer/Busy.
Call History: Press Applications > Call History to view missed/received/dialed.
Speed Dial: Press assigned speed dial key or dial ** code.

WARNING! Do not use phone while driving. Use hands-free options.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio: Adjustable ringer volume and tone. Hearing Aid Compatible: HAC rating for handset. Large Text: Option for larger font on display.

Care & Cleaning

Unplug before cleaning. Use slightly damp, lint-free cloth; no abrasive cleaners.

CAUTION! Do not spray liquids directly on phone; avoid solvents.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display/power	Power/PoE	Check Ethernet/PoE connection; try AC adapter; verify switch PoE enabled.
No network registration	Network config	Check IP settings (DHCP/static); verify VLAN configuration; restart phone.
No audio	Connections/volume	Check handset cord; adjust volume; verify audio path (handset/speaker/headset).
Bluetooth not pairing	Settings/range	Enable Bluetooth in settings; ensure device in pairing mode; stay within 3 ft.
Call quality issues	Network/QoS	Check network latency/jitter; verify QoS settings on switch; test with wired headset.

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

Service: 1-800-553-2447; www.cisco.com