Cisco CP-3905 IP

Cost-effective phone with basic VoIP communication endpoints

Key features
  • Single-line IP phone, supporting up to 2 concurrent calls 
  • 128 x 32-pixel graphical monochrome display 
  • 2-way navigation button 
  • Fixed keys for common telephony features: hold, redial, transfer and mute 
  • Full duplex speakerphone 
  • Foldable display stand for wall-mounting option 
£97.19 Incl. VAT
Delivery date with Express Shipping: 28/02/2024 If order placed before 12PM
1 year of manufacturer warranty Subject to manufacturer conditions
Pay in 3 interest-free payments of See more
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Internal ref: CI3905
Manufacturer part #: CP-3905
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Product description

Cost-effective SIP phone for straightforward communications

Designed for basic communications, the Cisco Unified 3905 SIP Phone is an affordable, entry-level IP phone. Equipped with Cisco UC features, this IP phone can be used in many settings such as classrooms, retail, manufacturing floor and hallways. Not to mention, the Cisco Unified 3905 can also support two concurrent calls per line. What´s more, this IP phone makes the most of reground and recyclable plastics. Therefore, it is an eco-friendly solution, setting an example for future generations of phones.

Fantastic accessibility

The Cisco Unified 3905 comes with a variety of features, which are incredibly easy to use. Firstly, the IP phone features a graphical monochrome display with a resolution of 128 x 32 pixels. This display provides two-line intuitive access to phone service and configuration. Not to mention, the device also comes with fixed keys to control functions including redial, transfer, volume and mute. As a result, these features provide a more productive, straightforward endpoint experience. Furthermore, this IP phone comes with a dual-port 10/100 Ethernet switch for network and PC connections. With this feature, the Cisco Unified 3905 reduces administration costs and the need for cables.

Flexibility at its finest

Featuring a foldable foot stand, the Cisco Unified 3905 has a wall mounting option. Mounting holes are located on the base of the phone. Furthermore, the foot stand comes in a single-position, offering optimal display viewing and comfortable use of keys. What´s more, the full-duplex speakerphone delivers flexibility and clear communications when taking and making calls.


  • Single-line IP phone, supporting up to 2 concurrent calls
  • Ergonomic, eco-friendly design
  • 10/100BASE-T Ethernet connection via two RJ-45 ports: LAN connection and downstream Ethernet devices
  • Graphical monochrome display with 128 x 32-pixel resolution
  • Two-line display access to phone services and configuration
  • Foldable foot stand for wall-mounting
  • Full-duplex speakerphone
  • Call features: call forward; auto barge; call pickup; call transfer; conference
  • Forced Authorization Codes (FAC)
  • Group call pick up
  • Music on hold
  • Audio codec support: G.711a, G.711, G.729, G.729a, G.729ab
  • Comfort-noise generation (CNG)
  • Voice-activity-detection (VAD)
  • 4MB flash memory
  • 32-MB synchronous dynamic RAM
  • Dimensions: 205 x 150 53.5 mm
  • Weight: 594.3g

In the box

  • 1 x Cisco Unified 3905 SIP Phone 

Product Specs.

More Information
Manufacturer part #CP-3905
Warranty1 year
Number of lines1
Function keysWith call key , With hands free kit, With mute key , With redial key
Headset portWithout headset port
Power sourcePoE powered
Type of displayBlack and white display
Connectivity2 RJ45 ports

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