1. Introducció
This user manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of the Cisco IP Phone 8811. Designed for business-class collaboration, this VoIP phone delivers high-fidelity, reliable, secure, and scalable voice communications. Please read this manual thoroughly to ensure proper use and to maximize the functionality of your device.
2. Producte acabatview
The Cisco IP Phone 8811 is a cost-effective, business-class collaboration endpoint. It features an attractive ergonomic design and wideband audio for clear voice communications. The device supports SIP, RTCP, RTP, SRTP, and SDP protocols, offering encrypted voice communications for enhanced security. It integrates with Cisco communication servers to provide a comprehensive suite of unified communications features.

Image of the Cisco IP Phone 8811, a charcoal-colored VoIP phone with a display screen, keypad, and various function buttons. The phone features a handset on the left, a large display on the right, and a central navigation cluster.
3. Configuració
3.1 Contingut del paquet
Abans de començar, assegureu-vos que hi hagi tots els components:
- Unitat de telèfon IP Cisco 8811
- Auricular i cable en espiral
- Ethernet cable (for network connection)
- Optional: Power adapter (if Power over Ethernet (PoE) is not used)
- Documentació (aquest manual)
3.2 Connexió del telèfon
- Connecteu el telèfon: Connecteu un extrem del cable en espiral al microtelèfon i l'altre extrem al port del microtelèfon de la base del telèfon.
- Connexió a la xarxa (PoE): If using Power over Ethernet, connect an Ethernet cable from your network switch or router to the "SW" (Switch) port on the back of the phone. The phone will power on automatically.
- Connect to Network (External Power): If PoE is not available, connect an Ethernet cable from your network switch or router to the "SW" port. Then, connect the optional power adapter to the phone's power port and plug it into a power outlet.
- Connexió a l'ordinador (opcional): If you wish to connect a computer through the phone, connect an Ethernet cable from your computer to the "PC" port on the back of the phone.
- Engegada inicial: Allow the phone to power on and connect to the network. This process may take a few minutes as the phone obtains an IP address and registers with your call control system.
3.3 Opcions de muntatge
The Cisco IP Phone 8811 is designed for desktop use with its integrated stand. It is also wall-mountable using an optional wall-mount kit (sold separately).
4. Instruccions de funcionament
4.1 Funcions de trucada bàsiques
- Fer una trucada: Lift the handset, press the Speaker button, or press a line button. Dial the number and press the Dial softkey or wait for automatic dialing.
- Respondre una trucada: Lift the handset, press the Speaker button, or press the Answer softkey.
- Finalització d'una trucada: Replace the handset, press the Speaker button again, or press the End Call softkey.
- Posar una trucada en espera: During an active call, press the Hold softkey. To resume, press the Resume softkey or the flashing line button.
- Transferència d'una trucada: During an active call, press the Transfer softkey. Dial the transfer recipient's number, and once connected, press Transfer again to complete.
4.2 Speakerphone and Headset
Premeu el botó Altaveu button to activate or deactivate the speakerphone. The phone also supports a headset connection via the dedicated headset port.
4.3 Conferència trucada
The Cisco IP Phone 8811 supports 3-way conference calls. During an active call, press the Conferència softkey, dial the number of the third party, and once connected, press Conferència de nou per unir-se a tots els partits.
4.4 Correu de veu
Premeu el botó Missatges button to access your voicemail system. Follow the voice prompts to retrieve messages.
4.5 Ajust del volum
Utilitza el Volum button (rocker switch) to adjust the volume of the handset, speakerphone, or ringer.
5. Manteniment
5.1 Neteja del telèfon
To clean the phone, use a soft, lint-free cloth. If necessary, slightly dampen the cloth with water. Avoid using abrasive cleaners, solvents, or aerosol sprays, as these can damage the phone's surface and internal components.
5.2 Consideracions ambientals
Keep the phone away from direct sunlight, heat sources, and excessive moisture. Ensure proper ventilation around the device to prevent overheating.
6. Solució De Problemes
6.1 Problemes comuns i solucions
| Problema | Causa possible | Solució |
|---|---|---|
| El telèfon no s'encén. | No power from Ethernet (PoE) or power adapter. | Verify Ethernet cable is securely connected to a PoE-enabled port, or ensure power adapter is correctly plugged in. |
| Sense to de marcatge. | Phone not registered with call control system; network issue. | Check network cable connection. Allow time for registration. If issue persists, contact your IT administrator. |
| No sento la persona que truca / La persona que truca no em sent. | Volume too low; faulty handset/headset; network quality issue. | Adjust volume. Test with speakerphone. Check handset/headset connection. |
| La pantalla està en blanc o congelada. | Software issue; power interruption. | Unplug the Ethernet cable (and power adapter if used) for 10 seconds, then reconnect to restart the phone. |
For issues not listed here or if solutions do not resolve the problem, please contact your system administrator or technical support.
7. Especificacions
| Marca | OEM |
| Número de model | CP-8811-K9= |
| Color | Carbó vegetal |
| Pes de l'article | 1 lliures (aprox. 0.45 kg) |
| Dimensions del paquet | 13.31 x 10.67 x 2.91 polzades (aprox. 33.8 x 27.1 x 7.4 cm) |
| Tipus de telèfon | Corded VoIP Phone |
| Font d'alimentació | Corded Electric (PoE or optional power adapter) |
| Tipus de marcador | Integrated VoIP Dialer |
| Tipus de contestador | Digital |
| Dispositius compatibles | Devices supporting SIP, PoE, and Gigabit Ethernet |
| Capacitat d’enregistrament | 18 minutes (for voicemail, if supported by system) |
| Capacitat de trucades de conferència | 3 vies |
8. Garantia i Suport
Warranty information for the Cisco IP Phone 8811 (Model CP-8811-K9=) is typically provided by the original manufacturer, OEM, or the reseller from whom the product was purchased. Please refer to the documentation included with your purchase or contact your vendor for specific warranty terms and conditions.
For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact your IT department or the authorized reseller/manufacturer support channels.





