Cisco 3905 Unified SIP Phone CP-3905

The Cisco Unified SIP Phone 3905 is an affordable, entry-level IP phone designed for essential voice communication needs. It combines key Cisco Unified Communications features in a stylish yet budget-friendly design. Ideal for various environments—including cubicles, retail spaces, classrooms, manufacturing floors, hallways, and wall-mounted setups—the 3905 is a versatile communication solution.  

This single-line phone supports two calls per line and includes dedicated keys for redial, transfer, and hold/resume. Its standard features, such as a full-duplex speakerphone and a two-line display, enhance usability and efficiency. Additionally, the built-in dual-port 10/100 Ethernet switch enables seamless network and PC connectivity, helping IT teams reduce cabling infrastructure and administrative costs.

The VoIP phone is also eco-friendly, taking advantage of reground and recyclable plastics to deliver a more earth-responsible solution.

Cisco 3905 Unified SIP Phone CP-3905 Features & Specifications:

• Adjustable volume levels
• Auto barge
• Call forward
• Call pickup
• Call waiting
• Call transfer
• Conference
• Forced Authorization Codes (FAC)
• Group call pickup
• Message-waiting indicator
• Music on hold
• Private-line automatic ringdown (PLAR)
• Redial
• Shared line
• Audio codec support:
• G.711a, G.711, G.729, G.729a, and G.729ab.
• Voice quality: Comfort-noise generation (CNG) and voice-activity-detection (VAD) programming is provided on a system basis.
• Configuration options:
• Dynamic Host Configuration Protocol (DHCP) client or static configuration
• Support for online firmware upgrades using Trivial File Transfer Protocol (TFTP)
• Domain Name System (DNS)
• Provisioning and manufacturing:
• Web server for configuration and statistics
• Real-Time Control Protocol (RTCP) support and monitoring
• Syslog