Cisco Unified SIP Phone 3905 User Manual

1. Introduction

This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of the Cisco Unified SIP Phone 3905 (Model CP-3905=). This cost-effective, entry-level IP phone is designed for basic voice communications within a Cisco Unified Communications environment. It is suitable for various deployments including cubicles, retail, classrooms, manufacturing floors, hallways, and wall-mounted installations.

2. Safety Information

Please read all safety warnings and instructions before installing or operating the phone. Failure to do so may result in injury or damage to the device.

• Use only power adapters specified for this device. Note that a power supply is not included with the phone and must be acquired separately.
• Do not expose the phone to water or excessive humidity.
• Avoid placing the phone near heat sources or in direct sunlight.
• Ensure proper ventilation around the device.
• Do not attempt to open or repair the phone yourself. Refer all servicing to qualified personnel.

3. Package Contents

Verify that all items are present in the package:

• Cisco VoIP phone (Model CP-3905=)
• Handset
• Handset Cord
• Ethernet Cable
• Note: Power supply is not included and must be purchased separately.

4. Physical Features and Components

Figure 4.1: Cisco Unified SIP Phone 3905 (CP-3905=)

This image displays the black Cisco Unified SIP Phone 3905 from an angled perspective, highlighting its ergonomic design. The phone features a standard numeric keypad, dedicated function keys, a two-line display screen, and a coiled handset cord. The speakerphone grille is visible on the base unit.

The Cisco Unified SIP Phone 3905 features an ergonomic design for comfortable use. Key components include:

• Handset: Standard telephone handset for private conversations.
• Keypad: Standard 12-button numeric keypad for dialing.
• Display: Two-line display for call information, menus, and status.
• Navigation Cluster: Buttons around a central select button for navigating menus on the display.
• Fixed Keys: Dedicated buttons for common functions:
  • Redial: Initiates a call to the last dialed number.
  • Transfer: Transfers an active call to another party.
  • Hold/Resume: Places an active call on hold or resumes a held call.
  • Speakerphone: Activates or deactivates the full-duplex speakerphone.
  • Volume Control: Adjusts handset, headset, or speakerphone volume.
• Foot Stand: Integrated stand for desktop use.
• Wall Mountable: Designed for optional wall mounting.
• Ethernet Ports: Dual-port 10/100 Ethernet switch for network and PC connections.

5. Setup and Installation

5.1 Power Connection

The Cisco Unified SIP Phone 3905 requires an external power supply (not included). Connect the appropriate power adapter to the phone's power input port and then to a power outlet.

5.2 Network Connection

The phone features a dual-port 10/100 Ethernet switch. Use an Ethernet cable to connect the phone's network port (typically labeled "SW" or "Network") to your network switch or router. An additional port (typically labeled "PC") is available to connect a computer, reducing cabling infrastructure at the desktop.

5.3 Handset Connection

Connect the coiled handset cord to the handset and to the corresponding port on the phone base.

5.4 Placement

Place the phone on a stable, flat surface using its integrated foot stand, or mount it on a wall using compatible wall mounting hardware (sold separately).

6. Operating Instructions

6.1 Making a Call

1. Lift the handset or press the Speakerphone button.
2. Dial the desired number using the keypad.
3. The call will connect automatically or after a brief delay.

6.2 Answering a Call

When the phone rings, lift the handset or press the Speakerphone button to answer.

6.3 Ending a Call

Place the handset back on the cradle or press the Speakerphone button again to end a call.

6.4 Using Fixed Keys

• Redial: Press the Redial button to call the last number dialed.
• Transfer: During an active call, press Transfer, dial the new number, and then press Transfer again to complete.
• Hold/Resume: Press Hold/Resume to place a call on hold. Press it again to resume the call.
• Volume Control: Use the Volume buttons to adjust the listening volume during a call or the ringer volume when idle.

6.5 Display Navigation

Use the navigation cluster (up, down, left, right arrows, and select button) to scroll through menus and select options displayed on the two-line screen.

7. Maintenance

To ensure the longevity and proper functioning of your Cisco Unified SIP Phone 3905, follow these maintenance guidelines:

• Cleaning: Use a soft, dry, lint-free cloth to clean the phone's exterior. For stubborn marks, slightly dampen the cloth with water. Avoid using harsh chemicals, abrasive cleaners, or solvents.
• Dust Removal: Regularly wipe down the phone to prevent dust buildup, especially around the keypad and speakerphone grille.
• Cord Management: Ensure handset and network cords are not tangled or pinched, which can lead to damage.
• Environmental Conditions: Keep the phone in a cool, dry place, away from direct sunlight, extreme temperatures, and high humidity.

8. Troubleshooting

This section addresses common issues you might encounter with your Cisco Unified SIP Phone 3905.

If the problem persists after attempting these solutions, please contact your system administrator or Cisco support.

9. Specifications

10. Warranty and Support

For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official Cisco support website. Ensure you have your product model number (CP-3905=) and serial number ready when contacting support.

You can find more information and support resources on the Cisco Store on Amazon or the main Cisco website.