1. Introducere
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. Produs terminatview
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. Configurare
3.1 Conținutul pachetului
Înainte de a începe, asigurați-vă că toate componentele sunt prezente:
- Cisco IP Phone 8811 unit
- Telefon și cablu spiralat
- Ethernet cable (for network connection)
- Optional: Power adapter (if Power over Ethernet (PoE) is not used)
- Documentație (acest manual)
3.2 Conectarea telefonului
- Conectați receptorul: Conectați un capăt al cablului spiralat la receptor și celălalt capăt la portul pentru receptor de pe baza telefonului.
- Conectare la rețea (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.
- Conectare la PC (opțional): 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.
- Pornire inițială: 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 Opțiuni de montare
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. Instrucțiuni de utilizare
4.1 Funcții de apel de bază
- Efectuarea unui apel: 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.
- Răspunsul la un apel: Lift the handset, press the Speaker button, or press the Answer softkey.
- Încheierea unui apel: Replace the handset, press the Speaker button again, or press the End Call softkey.
- Plasarea unui apel în așteptare: During an active call, press the Hold softkey. To resume, press the Resume softkey or the flashing line button.
- Transferarea unui apel: 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
Apăsați tasta Difuzor button to activate or deactivate the speakerphone. The phone also supports a headset connection via the dedicated headset port.
4.3 Apeluri conferință
The Cisco IP Phone 8811 supports 3-way conference calls. During an active call, press the Conferinţă softkey, dial the number of the third party, and once connected, press Conferinţă din nou să se alăture tuturor partidelor.
4.4 Mesaj vocal
Apăsați tasta Mesaje button to access your voicemail system. Follow the voice prompts to retrieve messages.
4.5 Reglarea volumului
Utilizați Volum button (rocker switch) to adjust the volume of the handset, speakerphone, or ringer.
5. Întreținere
5.1 Curățarea telefonului
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 Considerații de mediu
Keep the phone away from direct sunlight, heat sources, and excessive moisture. Ensure proper ventilation around the device to prevent overheating.
6. Depanare
6.1 Probleme comune și soluții
| Problemă | Cauza posibila | Soluţie |
|---|---|---|
| Telefonul nu pornește. | Nu există alimentare de la Ethernet (PoE) sau de la adaptorul de alimentare. | Verify Ethernet cable is securely connected to a PoE-enabled port, or ensure power adapter is correctly plugged in. |
| Fără ton de apel. | Phone not registered with call control system; network issue. | Check network cable connection. Allow time for registration. If issue persists, contact your IT administrator. |
| Nu aud apelantul / Apelantul nu mă aude. | Volume too low; faulty handset/headset; network quality issue. | Adjust volume. Test with speakerphone. Check handset/headset connection. |
| Afișajul este gol sau înghețat. | 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. Specificații
| Marca | OEM |
| Numărul de model | CP-8811-K9= |
| Culoare | Cărbune |
| Greutatea articolului | 1 livre (aprox. 0.45 kg) |
| Dimensiuni pachet | 13.31 x 10.67 x 2.91 inci (aprox. 33.8 x 27.1 x 7.4 cm) |
| Tip de telefon | Telefon VoIP cu fir |
| Sursa de alimentare | Corded Electric (PoE or optional power adapter) |
| Tip de apelator | Integrated VoIP Dialer |
| Tip de sistem de răspuns | Digital |
| Dispozitive compatibile | Devices supporting SIP, PoE, and Gigabit Ethernet |
| Capacitate de înregistrare | 18 minutes (for voicemail, if supported by system) |
| Capacitate de conferință telefonică | 3 sensuri |
8. Garanție și asistență
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.





