Cisco Desk Phone 9871 User Manual

The Cisco Desk Phone 9871 is a high-performance business IP phone featuring a large color display, high-fidelity wideband audio, built-in Gigabit Ethernet switch, support for Power over Ethernet (PoE), multiple programmable line/feature keys, integrated Bluetooth and Wi-Fi capabilities, and advanced security 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: Large color touchscreen display, Handset with wideband audio, Base unit with Ethernet ports, Programmable feature keys, Speakerphone, Headset port.

Feature	Description
Display	5-inch color touchscreen with adjustable tilt
Audio	High-fidelity wideband audio on handset and speakerphone
Network	Dual Gigabit Ethernet ports (LAN/PoE, PC)
Wireless	Integrated Bluetooth and Wi-Fi (802.11a/b/g/n/ac)
Power	IEEE 802.3af/at PoE or optional AC power adapter
Programmable Keys	Up to 10 programmable line/feature keys
Headset Port	3.5mm headset jack for hands-free operation
USB Port	USB 2.0 port for accessories and expansion
Security	Secure boot, encrypted configuration files, 802.1X authentication
Video	Support for video calls (requires compatible service)

Installation

Unpack and inspect contents. Place on stable, flat surface.

Connect to network: Use Ethernet cable to connect LAN/PoE port to network switch.
Connect computer (optional): Use second Ethernet cable from PC port to computer.
Connect power: Use PoE from switch or connect AC power adapter to power port.
Connect handset: Plug handset cord into handset port on base.
Connect headset (optional): Plug into 3.5mm headset jack.

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

First-Time Setup

Phone will boot and attempt to register with your call control system.

Network configuration: Phone may obtain IP address automatically via DHCP.
Extension registration: Enter your extension number and credentials if prompted.
Set language: Press Settings > User Preferences > Language to select.
Adjust audio: Use Volume buttons on side of phone or Settings > Audio.
Configure features: Program line keys and speed dials via touchscreen menu.

CAUTION! Do not place phone near heat sources or in direct sunlight.

Specifications

Display: 5-inch color TFT LCD touchscreen (480 x 272 pixels).
Audio Codecs: G.711, G.722, G.729, iLBC, Opus.
Network Interfaces: 2x 10/100/1000 Mbps Ethernet with PoE.
Wireless: Wi-Fi 802.11a/b/g/n/ac dual-band; Bluetooth 4.2.
Protocols: SIP, SCCP, HTTP/HTTPS, TFTP, LDAP, 802.1X.
Power: IEEE 802.3af/at PoE (Class 3) or 12V DC power adapter.
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Dimensions: 8.7" x 10.2" x 6.3" (221 x 259 x 160 mm).
Weight: 3.3 lbs (1.5 kg).

Controls and Settings

Access settings via touchscreen or physical buttons. Front: Touchscreen, Mute, Headset, Speakerphone, Navigation cluster. Side: Volume control buttons.

Touchscreen Interface: Home screen shows lines, calls, and features. Swipe for additional functions.

Settings Menu: User Preferences (Language, Time Format), Audio (Volume, Tone), Network (Wi-Fi, Ethernet), Phone (Screen, Ringtone), Advanced (Administration, Security). Programmable Keys: Assign to lines, speed dials, features (Hold, Transfer, Conference).

Connecting Devices

Network: Ethernet cable to LAN/PoE port. Computer: Ethernet cable from PC port. Headset: 3.5mm jack or Bluetooth. Accessories: USB port for expansion modules.

Ensure phone is powered off before connecting new devices.
For Bluetooth headset: Settings > Bluetooth > Pair New Device.
For Wi-Fi: Settings > Network > Wi-Fi > Select network and enter password.
For expansion module: Connect to USB port; phone will detect automatically.

Tip: Use certified Cisco accessories for optimal compatibility.

Advanced Features

Supports advanced calling and productivity features.

Multiple Lines: Answer/hold up to 10 lines with programmable keys.
Call Handling: Hold, Transfer, Conference, Forward, Park.
Voicemail: Access via Messages button or visual voicemail on screen.
Directory: Corporate LDAP directory or personal contacts.
Call History: View missed, received, and placed calls.
Bluetooth: Connect headset or smartphone for mobile calls.
Wi-Fi: Connect to wireless network for mobility.
Security Features: Secure boot, signed firmware, encrypted configuration.

WARNING! Do not use unauthorized firmware or configuration files.

Accessibility Features

Hearing Aid Compatibility: M4/T4 rating. Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Separate volume controls for handset, speaker, ringer. Screen Settings: Adjust contrast and backlight timeout. Text Size: Adjust font size in display settings.

Care & Cleaning

Disconnect power before cleaning. Use slightly damp, lint-free cloth. Do not use abrasive cleaners, solvents, or aerosols.

CAUTION! Avoid getting moisture in openings. Never spray liquid directly on phone.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business use. ICES-003: Complies with Canadian EMI requirements. UL/CSA: Listed to safety standards. This device complies with Part 68 of FCC rules. Ringer equivalence: 0.8B. For regulatory notices and compliance information, visit www.cisco.com/go/telecompliance. Copyright © 2023 Cisco Systems, Inc. All rights reserved.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/cable	Check PoE switch or power adapter; ensure cable is securely connected.
No network connection	Cable/DHCP	Check Ethernet cable; verify network switch port; check DHCP server.
No audio	Volume/mute	Check volume settings; ensure mute is off; try handset and speakerphone.
Cannot register	Configuration/network	Verify extension credentials; check network connectivity to call manager.
Touchscreen not responsive	Calibration	Restart phone; if issue persists, recalibrate touchscreen in settings.
Poor call quality	Network/audio settings	Check network bandwidth; adjust audio codec settings; verify QoS.

Reset: Settings > Advanced > Reset Settings (soft reset) or factory reset with paperclip in reset pinhole.

Support: Contact your system administrator or visit www.cisco.com/support