Cisco IP Business Phone 7811 User Manual
Model: CP-7811-K9=
1. Introduction
This manual provides instructions for the setup, operation, and maintenance of the Cisco IP Business Phone 7811. This device is designed for high-fidelity voice communications in mid-sized to large enterprise environments, supporting a single line for efficient communication.
Image 1.1: The Cisco IP Business Phone 7811, showing its handset, grayscale display, and keypad.
2. Package Contents
Verify that your package contains the following items:
- Cisco IP Business Phone 7811 unit (CP-7811-K9=)
- Handset
- Handset cord
- Ethernet cable (may vary by region/seller)
- Phone stand
Note: A power adapter is not typically included as the phone is designed for Power over Ethernet (PoE). Ensure your network infrastructure supports Class 1 PoE.
3. Setup Instructions
3.1 Assembling the Phone
- Attach the Phone Stand: Align the stand with the slots on the back of the phone unit and push firmly until it clicks into place. The stand allows for two viewing angles.
- Connect the Handset: Plug one end of the coiled handset cord into the handset port on the side of the phone unit and the other end into the handset.
3.2 Connecting to the Network and Power
- Ethernet Connection: Connect one end of an Ethernet cable to the network port (labeled SW or Network) on the back of the phone. Connect the other end to a network switch or router that provides Power over Ethernet (PoE).
- PC Connection (Optional): If you need to connect a computer through the phone, connect an Ethernet cable from your computer to the PC port (labeled PC) on the back of the phone.
- Power On: The phone will power on automatically once connected to a PoE-enabled network port. The display will illuminate, and the phone will begin its boot sequence.
Note: If PoE is not available, a separate Cisco-approved power adapter (not included) is required. Connect the power adapter to the power port on the back of the phone.
4. Operating Instructions
4.1 Basic Call Functions
- Making a Call:
Pick up the handset or press the Speaker button. Dial the number using the keypad. Press the Call softkey or wait for the call to connect automatically.
- Answering a Call:
When the phone rings, pick up the handset or press the Answer softkey or the Speaker button.
- Ending a Call:
Place the handset back in the cradle or press the End Call softkey or the Speaker button.
4.2 Fixed Function Keys
The Cisco IP Business Phone 7811 features dedicated keys for common functions:
- Messages: Access your voicemail.
- Directory: Access corporate and personal directories.
- Hold/Resume: Place an active call on hold or resume a held call.
- Transfer: Transfer an active call to another party.
- Conference: Initiate a conference call.
- Settings: Access phone settings and preferences.
- Volume: Adjust handset, headset, or speaker volume.
- Mute: Mute or unmute your microphone during a call.
- Speaker: Toggle speakerphone on or off.
- Headset: Activate or deactivate a connected headset.
4.3 Programmable Line Keys
The phone features programmable line keys that can be configured to support directory numbers, speed dials, or other call features. Configuration is typically managed by your system administrator.
5. Maintenance
5.1 Cleaning the Phone
- Disconnect the phone from power before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild, non-abrasive cleaner.
- Do not spray cleaners directly onto the phone. Avoid using harsh chemicals, solvents, or abrasive materials.
- Clean the display gently to avoid scratches.
5.2 Firmware Updates
Firmware updates are typically managed by your network administrator to ensure optimal performance and security. Do not attempt to manually update firmware unless instructed by your administrator.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone does not power on. | No PoE or power adapter connection. | Ensure Ethernet cable is securely connected to a PoE-enabled port or a power adapter is connected. Verify PoE functionality of the network switch. |
| Cannot make or receive calls. | Network connectivity issue; phone not registered with call server. | Check Ethernet cable connection. Contact your system administrator to verify network settings and phone registration status. |
| No dial tone. | Phone not registered; volume too low. | Verify phone registration. Adjust volume using the volume keys. |
| Display is blank or frozen. | Temporary software issue. | Disconnect and reconnect the Ethernet cable (or power adapter) to restart the phone. If the issue persists, contact support. |
7. Specifications
- Model: CP-7811-K9=
- Display: 3.2-inch (8.1 cm) grayscale, 384 x 106 pixel resolution
- Line Support: 1 Line
- Ethernet Ports: 2 x 10/100BASE-T Ethernet switch ports (Network and PC)
- Power: IEEE 802.3af Power over Ethernet (PoE) Class 1; optional Cisco Power Cube 3
- Dimensions (H x W x D): 8.15 x 7.68 x 1.3 inches (20.7 x 19.5 x 3.3 cm)
- Weight: 1.78 pounds (0.81 kg)
- Operating Temperature: 32 to 104°F (0 to 40°C)
- Protocols: Session Initiation Protocol (SIP)
For a complete list of specifications, refer to the official Cisco product documentation.
8. Warranty and Support
The Cisco IP Business Phone 7811 (CP-7811-K9=) comes with a 1-year limited hardware warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For technical support, warranty claims, or further assistance, please contact your authorized Cisco reseller or visit the official Cisco support website. Ensure you have your product model number (CP-7811-K9=) and proof of purchase available.
Online Resources:
- Cisco Support: www.cisco.com/c/en/us/support/index.html
- Cisco IP Phone 7800 Series Documentation: www.cisco.com/c/en/us/support/collaboration-endpoints/ip-phone-7800-series/tsd-products-support-series-home.html
Please note that Cisco's warranty terms and conditions apply.
