Manual for Cisco Phone 9841

The Cisco Phone 9841 is a business-grade IP phone designed for reliable voice communication in enterprise environments. It features a high-resolution display, support for multiple lines, Power over Ethernet (PoE), integrated Gigabit Ethernet switch, headset connectivity, and advanced telephony features like call hold, transfer, conference, and voicemail access. Below are key sections covering setup, features, configuration, operation, and maintenance.

Features at a Glance

Key components: High-resolution monochrome or color display (model dependent), Handset, Line/Feature buttons, Navigation cluster, Speakerphone, Integrated Ethernet ports.

Installation & Physical Setup

Unpack the phone and verify contents. Choose a stable, flat surface near a network outlet.

1. Connect to Network: Plug an Ethernet cable from your network switch into the LAN port on the phone.
2. Connect a Computer (Optional): Plug another Ethernet cable from the PC port on the phone to your computer.
3. Connect Handset: Attach the coiled handset cord to the handset and the phone base.
4. Apply Power: The phone will power on via Power over Ethernet (PoE). If not using PoE, connect the external power adapter.

WARNING! Use only approved power adapters. Ensure cables are routed safely to prevent tripping hazards.

First-Time Configuration

Upon powering on, the phone will attempt to boot and register with the call control system (e.g., Cisco Unified Communications Manager).

1. Network Registration: The phone should automatically obtain an IP address via DHCP and contact the call server.
2. Verify Registration: Check the phone screen for your extension number and "Registered" status.
3. Set User Preferences: Press the Settings button to set time/date, ringtone, volume, and language.
4. Configure Voicemail: Press the Messages button and follow prompts to set up your voicemail box.

NOTE: Initial configuration is typically managed by your network administrator. Contact IT if the phone does not register.

Technical Specifications

• Phone Type: IP Phone, SIP and SCCP protocol support.
• Display: High-resolution pixel-based display (monochrome or color).
• Network: 10/100/1000 Mbps Ethernet with integrated switch, IEEE 802.3af PoE.
• Audio: Wideband audio support (G.711, G.722, G.729), Acoustic Echo Cancellation.
• Physical Ports: Two RJ-45 Ethernet, RJ-9 handset, 3.5mm headset, DC power.
• Features: Multiple lines, call hold/transfer/conference, caller ID, voicemail, XML services.
• Power Source: 802.3af PoE (Class 2) or 48V DC external power adapter.
• Operating Environment: 32°F to 104°F (0°C to 40°C), 10% to 95% humidity (non-condensing).

Controls & Interface

Primary controls are on the front face. Use the navigation cluster and soft keys to interact with the on-screen display (OSD).

Front Panel: LINE buttons, Hold, Transfer, Conference, Messages, Settings, Speakerphone, Mute, Volume rocker, Navigation cluster (Up/Down/Left/Right, Select, Soft keys).

Screen Menus: Access via Settings button. Options include Network Configuration, User Preferences (Ringtone, Screen Contrast, Language), Status (IP address, firmware).

Call Features: Initiate from LINE button or dial pad. Manage calls using Hold, Transfer, Conference buttons. Adjust call/ringer volume with side rocker.

Network & Power Connections

Standard setup uses a single network cable for both data and power (PoE).

1. PoE Connection: Connect Ethernet from switch to phone's LAN port. Phone powers on automatically.
2. Daisy-chain PC: Connect PC to phone's PC port to share the network connection.
3. External Power: If PoE is unavailable, plug the DC power adapter into the phone and an outlet.
4. Verify Link: Ensure the Ethernet link lights are illuminated (green/amber).

Tip: For best performance, use Category 5e or higher Ethernet cables.

Making & Managing Calls

Basic telephony operations.

1. Make a Call: Lift handset or press Speakerphone. Dial number using keypad. Press Dial soft key or wait for auto-dial.
2. Answer a Call: Press the flashing LINE button, Answer soft key, or lift handset.
3. End a Call: Press EndCall soft key or hang up handset.
4. Place Call on Hold: Press Hold button. To resume, press the held line's button.
5. Transfer a Call: During a call, press Transfer. Dial the transfer number. Press Transfer again to complete.
6. Conference Call: During a call, press Conference. Dial the second party. Press Conference again to merge.
7. Voicemail: Press Messages button and follow prompts.

NOTE: Feature availability may depend on system configuration.

Advanced Features & Settings

Programmable feature keys, call forwarding, and system integration.

Programmable Line/Feature Keys: Can be configured for speed dial, call park, BLF (Busy Lamp Field), or other functions via administrator.

Call Forwarding: Set up via phone menu or call control system to forward calls to another number.

Headset Mode: Enable in User Preferences to automatically route audio to a connected headset.

Network Settings: View IP address, subnet, gateway in Settings > Network Configuration. (Typically managed by DHCP).

Care & Maintenance

Unplug the phone from power before cleaning. Use a soft, dry, lint-free cloth. Do not use liquids, sprays, or abrasive cleaners.

CAUTION! Avoid getting moisture into openings. Do not disassemble the phone.

Regulatory & Compliance

FCC Part 15 Class B: Complies with limits for a Class B digital device. CE Marked. ICES-003. This device complies with part 15 of the FCC Rules. Contains FCC ID: LDK102030. For full regulatory statements, warranty, and support, visit Cisco's official website at www.cisco.com or contact Cisco Technical Support.

Troubleshooting

Reset: To reset to factory defaults (consult admin first), press and hold # while plugging in power, then release when light flashes.

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