Description
Introduction to the Cisco 3905 IP Phone
The CP-3905 Cisco 3905 IP Phone is a high-quality, wall mountable, VoIP speakerphone designed for use in small and medium-sized businesses. It features two network ports for added convenience, as well as an easy-to-use interface and customizable soft key buttons. The 3905 also offers enhanced audio quality and multiple call management features, making it a versatile and reliable solution for businesses seeking to upgrade their communication systems. The phone supports Power Over Ethernet (PoE) and is compatible with Cisco Unified Communication solutions, ensuring seamless integration and enhanced security.
Key Features of the CP-3905
The CP-3905 Cisco 3905 IP Phone is a high-quality, wall mountable VoIP speakerphone that offers a range of features to enhance the user experience. Some of its key features include:
- Wall Mountable Design: The phone can be easily mounted on a wall, freeing up desk space and providing a neat and organized workspace.
- High-quality VoIP Speakerphone: The phone’s speakerphone provides clear, high-quality audio for conference calls and hands-free conversations.
- Dual Network Ports: The phone features two network ports, allowing for easy connectivity to multiple networks or internet service providers.
- Easy Navigation and User-Friendly Interface: The phone’s interface is intuitive and easy to navigate, making it simple to access and manage calls.
- Enhanced Audio Quality: The CP-3905 includes advanced audio processing technologies to deliver clear, natural sound quality, even in noisy environments.
- Multiple Call Management Features: The phone includes features such as call hold, transfer, park, and forward, providing users with flexible and convenient call management options.
- Customizable Soft Key Buttons: The phone’s soft key buttons can be customized to suit individual user preferences and workflows.
- Large Display Screen: The phone’s display screen provides clear and easy-to-read call information and caller ID.
- Interoperability with Cisco Unified Communication Solutions: The phone is fully interoperable with Cisco’s Unified Communication solutions, providing seamless integration with other Cisco systems.
- Power Over Ethernet (PoE) Support: The CP-3905 supports Power over Ethernet, which eliminates the need for a separate power supply and makes installation easier.
Wall Mountable Design
The “Wall Mountable Design” of the CP-3905 Cisco 3905 IP Phone refers to the feature that allows the phone to be mounted on a wall. This design is convenient for saving desk space and provides easier access to the phone for users who may not have a desk. The wall mount bracket is included with the phone and can be easily installed. This feature is particularly useful for businesses with limited desk space or those looking to create a more organized and streamlined workspace. Additionally, the wall mount design allows for easy cable management, as the phone can be positioned close to the wall socket for a neat and tidy installation.
General Information about this Cisco CP-3905
- Manufacturer : Cisco
- Model Number or SKU# CP-3905
- Product Series: 3900
- Product Model: 3905
- Product Name: 3905 IP Phone
- Product Type: IP Phone
Technical Information of Cisco IP Phone
- IP Phone Technology: VoIP
- Base Unit Connectivity Technology: Corded
- Total Number of Phone Lines: 1
- Speakerphone: Yes
- Call Services Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability
- Dialer Type Keypad
- Dialer Location Base
- Conference Call Capability Yes
- Speakerphone Yes (digital duplex)
- Function Buttons Speakerphone button, transfer button, mute button, hold button, redial button
- Volume Control Yes
- Ringer Control Yes
- Indicators Voice message waiting indicator
- Firmware Upgradable Yes
- Additional Features Music on hold, built-in web server
Interfaces/Ports
- Network (RJ-45): Yes
- Number of Network (RJ-45) Ports: 2
- PoE (RJ-45) Port: Yes
Dimension and Weight
- Height 2.1 Inch
- Width 5.9 Inch
- Depth 8.1 Inch
- Weight 1.3 lbs
IP Telephony
- Main Features Multiple VoIP protocol support, integrated Ethernet switch
- VoIP Yes
- VoIP Protocols SIP, RTCP
- Voice Codecs G.729, G.729a, G.729ab, G.711u, G.711a
- IP Address Assignment DHCP, static
- Power Over Ethernet (PoE) Support Yes
- Network Protocols TFTP, DNS, RTCP
- Network Ports Qty 2 x Ethernet 10Base-T/100Base-TX
- Compatible Software Cisco Unified Communications Manager 7.1 or later
- Voice Features Comfort noise generation (CNG), voice activity detection (VAD)





