1. Introducció
This manual provides essential instructions for the setup, operation, and maintenance of your Cisco 9841 IP Phone. Designed for modern office environments, this corded VoIP desk phone integrates secure enterprise calling and various communication features.
2. Producte acabatview
The Cisco 9841 IP Phone is a desktop communication device featuring a 3.5-inch LCD screen, a numeric keypad, and dedicated function buttons. It supports Power over Ethernet (PoE) for simplified installation.

Figure 1: Cisco 9841 IP Phone
This image displays the Cisco 9841 IP Phone in Carbon Black. The phone features a 3.5-inch LCD screen, a standard numeric keypad, and function buttons. The handset is corded and rests on the left side of the base unit. The screen shows a time of 09:54 AM and a call number 4089023648, with options for Redial, New call, and Forward.
Components clau:
- Auricular: Corded handset for private conversations.
- Pantalla LCD: 3.5-inch display for call information, menus, and notifications.
- Teclat: Teclat numèric estàndard per marcar.
- Botons de funció: Dedicated buttons for features like Redial, New Call, Forward, Speakerphone, and Volume control.
- Ports de xarxa: Two RJ-45 ports for network connectivity and Power over Ethernet (PoE).
3. Configuració
Follow these steps to set up your Cisco 9841 IP Phone:
- Connecteu el telèfon: Plug the coiled cord from the handset into the designated handset port on the phone base.
- Connect to Network/Power:
- Locate an Ethernet cable.
- Connect one end of the Ethernet cable to a network port (RJ-45) on the phone.
- Connect the other end of the Ethernet cable to a network switch or router that provides Power over Ethernet (PoE). If PoE is not available, a separate power adapter (sold separately) will be required.
- Arrencada: The phone will power on automatically and begin its boot-up sequence. This may take a few minutes.
- Configuració de la xarxa: The phone will typically obtain network settings automatically via DHCP. If manual configuration is required, consult your network administrator.
4. Instruccions de funcionament
4.1 Funcions de trucada bàsiques
- Fer una trucada:
- Lift the handset or press the Speakerphone button.
- Marqueu el número desitjat amb el teclat.
- Press the "Call" or "Dial" softkey on the screen, or wait for the call to connect automatically.
- Respondre una trucada:
- When the phone rings, lift the handset or press the Speakerphone button.
- Alternatively, press the "Answer" softkey on the screen.
- Finalització d'una trucada: Hang up the handset or press the "End Call" softkey.
- Torna a marcar: Press the "Redial" softkey to call the last dialed number.
- Altaveu: Press the Speakerphone button to toggle between handset and speakerphone mode during a call.
- Silenciar: Premeu el botó Silenciar per silenciar el micròfon durant una trucada. Torneu-lo a prémer per activar el so.
- Control de volum: Use the volume buttons (+ i -) to adjust the handset, speakerphone, or ringer volume.
4.2 Funcions avançades
- Múltiples línies: The phone supports up to 4 total lines. Use the line buttons next to the screen to switch between active lines or initiate new calls.
- Desviació de trucades: Press the "Forward" softkey and follow the on-screen prompts to set up call forwarding.
- Identificador de trucada: Incoming call information (number and name, if available) will be displayed on the LCD screen.
- Compatibilitat: The Cisco 9841 IP Phone is compatible with Cisco Unified Communications Manager (CUCM), Webex Calling, Broadworks, and other 3rd party cloud calling platforms.
5. Manteniment
To ensure optimal performance and longevity of your Cisco 9841 IP Phone, follow these maintenance guidelines:
- Neteja: Use a soft, dry, lint-free cloth to clean the phone's exterior. For stubborn marks, slightly dampRenta el drap amb aigua. Evita fer servir productes químics agressius, netejadors abrasius o dissolvents.
- Eviteu líquids: Do not expose the phone to excessive moisture or submerge it in liquids.
- Gestió de cables: Ensure all cables are securely connected and not tangled or pinched.
- Condicions ambientals: Operate the phone within recommended temperature and humidity ranges as specified in the technical specifications.
6. Solució De Problemes
If you encounter issues with your Cisco 9841 IP Phone, refer to the following common troubleshooting steps:
- Sense alimentació/pantalla:
- Verify that the Ethernet cable is securely connected to both the phone and the PoE-enabled network port.
- If not using PoE, ensure the optional power adapter is correctly connected and plugged into a working power outlet.
- Sense to de marcatge:
- Comproveu les connexions del cable de xarxa.
- Ensure the phone has successfully registered with your VoIP system (indicated by status icons on the screen).
- Contact your network administrator if the issue persists.
- Qualitat de trucada baixa:
- Check your network connection for stability.
- Ensure no other devices are consuming excessive bandwidth on your network.
- Try restarting the phone by disconnecting and reconnecting the network cable.
- Botons que no responen:
- Reinicieu el telèfon.
- Ensure the phone is not in a locked state (if applicable).
For more complex issues, please contact your IT department or Cisco support.
7. Especificacions
| Característica | Detall |
|---|---|
| Model | 9841 |
| Número de peça del fabricant | DP-9841-K9= |
| Tecnologia de connectivitat | Cordat |
| Tecnologia de telefonia IP | VoIP |
| Total Number of Phone Lines | 4 |
| Identificador de trucada | Sí |
| Altaveu | Sí |
| Tipus de pantalla | LCD |
| Mida de la pantalla | 3.5 polzades |
| Ports de xarxa | 2 x RJ-45 (PoE enabled) |
| Port USB | Sí |
| Color | Negre de carbó |
| Factor de forma | Escriptori |
| Dimensions (A x A x P) | 8.4" x 8.4" x 1.9" (aproximadament) |
| Pes de l'article | 2.9 lliures (1.32 kg) |
| Dispositius compatibles | Cisco Unified Communications Manager (CUCM), Webex Calling, Broadworks, other 3rd party cloud calling platforms, Cisco RoomOS devices, USB-compatible devices |
8. Garantia i Suport
For warranty information and technical support, please refer to the official Cisco website or contact your authorized Cisco reseller. Keep your product model number (DP-9841-K9=) and serial number readily available when seeking support.
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