1. Product Overview
The Cisco 8961 IP Phone is an advanced professional media endpoint designed to provide an enhanced user experience. This renewed unit offers reliable communication capabilities for business environments.

Figure 1: Cisco CP-8961-C-K9 IP Phone. This image displays the full phone unit, including the handset, keypad, navigation buttons, and the color display screen showing an active call interface.
2. Package Contents
Verify that all items are present in your package:
- Cisco CP-8961-C-K9 IP Phone Unit
- Standard Handset
- Handset Cord
- Ethernet Cable (for network connection)
- Power Adapter (if not using Power over Ethernet - PoE)
3. Setup and Installation
Follow these steps to set up your Cisco IP Phone:
- Connect the Handset: Plug one end of the coiled handset cord into the handset and the other end into the handset port on the phone unit.

Figure 2: Rear view of the Cisco CP-8961-C-K9 IP Phone. This image illustrates the back of the phone, typically where the handset, network, and power cables connect.
- Connect to Network: Connect an Ethernet cable from your network switch or router to the "SW" (Switch) port on the back of the IP phone. If your network supports Power over Ethernet (PoE), the phone will power on automatically.
- Connect Power (if no PoE): If PoE is not available, connect the power adapter (if included) to the "PWR" port on the back of the phone and then plug it into a power outlet.
- Initial Boot-up: The phone will power on and begin its boot-up sequence. This may take a few minutes as it connects to the network and registers with your call manager system.
4. Operating Instructions
This section covers basic operation of your Cisco IP Phone.
4.1 Making and Receiving Calls
- To Make a Call: Lift the handset, press a line button, or press the Speaker button. Dial the number using the keypad.
- To Answer a Call: Lift the handset, press the flashing line button, or press the Answer softkey.
- To End a Call: Replace the handset, or press the End Call softkey.
4.2 Keypad and Navigation
The phone features a standard dialer keypad for number entry and a navigation cluster for menu interaction.
- Numeric Keypad: Used for dialing phone numbers and entering text.
- Navigation Cluster: Use the directional pad to scroll through menus and options on the display. The center button typically acts as a "Select" or "OK" button.
- Softkeys: Context-sensitive buttons located below the display. Their function changes based on the current menu or call state.
4.3 Caller Identification
When an incoming call is received, the caller's information (if available) will be displayed on the screen.
4.4 Answering System (Voicemail)
The phone supports digital answering system integration, typically managed by your organization's voicemail system. You can access your voicemail by pressing the Messages button (envelope icon) and following the voice prompts. The system has a recording capacity of approximately 17 minutes.
5. Maintenance and Care
Proper care ensures the longevity of your IP Phone.
- Cleaning: Use a soft, lint-free cloth slightly dampened with water or a mild, non-abrasive cleaner. Do not spray liquids directly onto the phone. Avoid harsh chemicals.
- Environment: Keep the phone away from excessive heat, direct sunlight, and moisture. Ensure proper ventilation.
- Handling: Avoid dropping the phone or subjecting it to strong impacts.
6. Troubleshooting
If you encounter issues with your IP Phone, try these basic troubleshooting steps:
- No Dial Tone/Cannot Make Calls:
- Check all cable connections (handset, network, power).
- Ensure the phone is powered on and the display is active.
- Verify network connectivity.
- Display Issues:
- If the screen is blank, check power connection.
- If the display is frozen, try restarting the phone by unplugging and re-plugging the power/Ethernet cable.
- Poor Audio Quality:
- Check handset cord connection.
- Adjust volume using the volume buttons.
- Ensure there is no interference from other electronic devices.
- Phone Not Registering:
- Confirm network cable is securely connected.
- Contact your IT administrator, as registration issues often require network-side configuration.
For persistent issues, contact your system administrator or the seller for further assistance.
7. Specifications
| Model Number | CP-8961-C-K9 |
| Brand | Cisco |
| Manufacturer | CISCO SYSTEMS - ENTERPRISE |
| Product Dimensions (L x W x H) | 11 x 10 x 2 inches |
| Item Weight | 5.49 pounds |
| Power Source | Corded Electric (PoE capable) |
| Dialer Type | Single Keypad |
| Answering System Type | Digital |
| Recording Capacity | 17 minutes |
| Caller Identification | Yes |
| UPC | 786513143952 |
| First Available Date | December 4, 2019 |
8. Warranty and Support
This product is listed as "Renewed." For specific warranty information, please refer to the terms provided by the seller at the time of purchase. Typically, renewed products come with a limited warranty from the refurbisher or seller.
For technical support or service inquiries, please contact the seller directly or your organization's IT department if this phone is part of a larger system deployment.
You can also visit the official Cisco website for general product documentation and resources, though specific support for renewed units may vary.





