The Cisco Desk Phone 9861 is a high-performance IP phone designed for business environments, featuring a large color display, support for multiple lines, advanced call handling features, integrated Gigabit Ethernet switch, Power over Ethernet (PoE) support, high-quality audio with wideband codecs, and customizable settings. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Large color LCD display, Handset, Speakerphone, Ethernet ports, Headset jack, Volume controls, Programmable line/feature keys.
| Feature | Description |
|---|---|
| Display | 5-inch color LCD with touch-sensitive navigation |
| Network Ports | Dual Gigabit Ethernet ports (LAN and PC) |
| Power | Power over Ethernet (PoE) or external power adapter |
| Audio | High-definition wideband audio, built-in speakerphone |
| Headset Jack | For wired headset connection |
| Line Keys | Up to 8 programmable line or feature keys |
| Hold | Places active call on hold |
| Transfer | Transfers calls to another extension |
| Conference | Creates multi-party conference calls |
| Messages | Access to voicemail and message waiting indicator |
Unpack and inspect contents. Place on stable, flat surface.
WARNING! Use only approved power adapter. Ensure cables are securely connected to avoid damage.
Power on phone; follow on-screen prompts.
CAUTION! Do not disconnect during firmware upgrade. Ensure stable network connection.
Access menu via Settings button. Front Panel: Mute, Headset, Speakerphone, Volume controls, Navigation cluster.
Softkeys: Context-sensitive buttons below display for call functions (Answer, EndCall, Hold, Transfer, etc.).
Settings: Network configuration, Audio settings (ringer, speaker, handset volume), Display (contrast, backlight), Phone model information. Features: Call Forward, Do Not Disturb, Speed Dials, Personal Directory. Security: Admin password, phone lock, network authentication.
Network: LAN port to switch. PC: PC port to computer. Headset: Standard 3.5mm headset jack.
Tip: Use quality CAT5e or higher Ethernet cables for best performance.
Supports hold, transfer, conference, call park, and more.
WARNING! Do not use phone with wet hands. Keep liquids away from device.
Visual Alert: Flashing LED for incoming calls. Hearing Aid Compatible: HAC rating for handset. High-Contrast Display: Adjustable display settings for visibility. Ringer Volume: Adjustable up to 85 dB.
Unplug power before cleaning. Use slightly damp, lint-free cloth; do not use liquids or aerosols directly on phone.
CAUTION! Do not spray cleaners directly on display or keys. Avoid abrasive materials.
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 © 2025 Cisco Systems, Inc. For support, visit www.cisco.com or contact your network administrator.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power/display | Power source | Check PoE switch or power adapter connection; ensure cable is secure. |
| No network registration | Network/configuration | Verify Ethernet cable; check switch port; confirm IP address assignment. |
| No dial tone | Line configuration | Check with administrator to ensure line is properly assigned and active. |
| Poor audio quality | Network/device | Check network for packet loss; verify handset cord is fully plugged in. |
| Display issues | Settings/cable | Adjust display contrast/brightness; resecure display cable inside phone (admin). |
Reset: Settings > Admin Settings > Reset Settings (requires admin password).
Service: Contact your network administrator or Cisco Technical Support.