Cisco Unified SIP Phone #CP-3905 - VoIP phone
Cisco Unified SIP Phone #CP-3905 - VoIP phone
SKU:#CP-3905
The Cisco Unified SIP Phone 3905 is a cost-effective, entry-level IP phone designed for essential voice communication needs. It delivers core Cisco Unified Communications features in a compact, budget-friendly design—ideal for cubicles, classrooms, retail spaces, manufacturing floors, hallways, or wall-mounted setups.
This single-line phone supports two calls per line and includes fixed keys for redial, transfer, and hold/resume. A full-duplex speakerphone and two-line display come standard, enhancing productivity and ease of use. The integrated dual-port 10/100 Ethernet switch simplifies cabling and reduces desktop infrastructure costs. Made with recyclable materials, the 3905 also supports your organization’s sustainability goals.
Certifications & Listings
Certifications & Listings
ENERGY STAR Certified: No
EPEAT Compliant: No
TCO Certified: No
Compatibility
Compatibility
Hearing Aid Compatible: Yes
Dimensions
Dimensions
Base Depth: 8.1 inch
Base Height: 2.1 inch
Base Weight: 21 ounce
Base Width: 5.9 inch
Display & Graphics
Display & Graphics
Color Support: Monochrome
Display Languages: Arabic, Brazilian Portuguese, Bulgarian, Catalan, Chinese, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Korean, Latvian, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish
Display Location: Base
Display Resolution: 128 x 32 pixels
Display Type: LCD display
Included Items
Included Items
Memory
Memory
Flash Memory Installed: 4 megabyte
RAM Installed: 32 megabyte
Network & Communication
Network & Communication
IP Address Assignment: DHCP, Static
IP Telephony Network Ports: 2 x Ethernet 10Base-T/100Base-TX
Network Protocols: DNS, RTCP, TFTP
Physical Characteristics
Physical Characteristics
Color: Charcoal
Color Category: Black, Gray
Product Information
Product Information
Call Services: Call Forwarding, Call Hold, Call Transfer, Call Waiting, Caller ID, Message Waiting Capability
Compatible Software: Cisco Unified Communications Manager 7.1 or later
Dialer Location: Base
Main Features: Integrated Ethernet switch, Multiple VoIP protocol support
Packaged Quantity: 1
Placing/Mounting: Table-top, Wall-mountable
Power Over Ethernet (PoE) Support: Yes
Product Type: VoIP phone
Voice Features: Comfort noise generation (CNG), Voice activity detection (VAD)
VoIP: Yes
VoIP Protocols: RTCP, SIP
Volume Control: Yes
Service & Support
Service & Support
Service & Support Details: Limited warranty - advance hardware replacement – 1 year
Limited Warranty: 1 Year
Technical Information
Technical Information
Indicators & Controls: Voice message waiting indicator
Multiple Conferencing: Yes
Speakerphone: Yes
Voice Codec: G.711a, G.711u, G.729, G.729a, G.729ab
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