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Cisco Unified SIP Phone 3905

  • VoIP phone
  • SIP
  • Charcoal finish

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QuickFind: 480048

Mfr part code: CP-3905=

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    Cisco Unified SIP Phone 3905 Product Description

    The Cisco® Unified SIP Phone 3905 is a cost-effective, entry-level IP phone that addresses the need for basic voice communications with common Cisco Unified Communications features in an attractive design that is also budget-friendly. The phone can fill the communication needs of cubicle, retail, classroom, manufacturing floor and hallway, as well as various wall-mounted deployments. The single-line Cisco Unified SIP Phone 3905 supports two calls per line. Fixed keys for redial, transfer, and hold/resume, along with a full-duplex speakerphone and two-line display, which comes standard, deliver a more productive, easier-to-use, and flexible endpoint experience. With its dual-port 10/100 Ethernet switch for network and PC connections, the Cisco Unified SIP Phone 3905 offers IT organizations a cost-effective solution to reduce cabling infrastructure and administration costs at the desktop. The phone is also eco-friendly, taking advantage of reground and recyclable plastics to deliver a more earth-responsible solution.

    Technical Specifications

    Phone Features

    Caller ID Yes
    Call Waiting Yes
    Call Forwarding Yes
    Call Transfer Yes
    Call Hold Yes
    Message Waiting Capability Yes
    Speakerphone Yes (digital duplex)
    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
    Function Buttons Speakerphone button, transfer button, mute button, hold button, auto 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

    IP Telephony

    Main Features Multiple VoIP protocol support, integrated Ethernet switch
    VoIP Protocols SIP, RTCP
    Network Protocols TFTP, DNS, RTCP
    VoIP Yes
    Voice Codecs G.729, G.729a, G.729ab, G.711u, G.711a
    IP Address Assignment DHCP, static
    Power Over Ethernet (PoE) Support Yes
    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)


    Product Type VoIP phone
    Body Colour Charcoal


    Compliant Standards CISPR 22 Class B, CISPR 24, EN 61000-3-2, EN 61000-3-3, EN55024, UL 60950 Third Edition, EN55022 Class B, ICES-003 Class B, DR PTC220, AS/ACIF S004, CS-03, FCC CFR47 Part 68, FCC CFR47 Part 15 B, GB 4943, AS/NZS 60950, HAC (Hearing Aid Compatible), CSA C22.2 No. 60950-1 Second Edition, EN 60950-1 Second Edition, IEC 60950-1 Second Edition, VCCI Class B, KN24, KCC KN22 Class B, AS/ACIF S040
    Hearing Aid Compatible Yes
    Placing / Mounting Wall-mountable, table-top
    Also Included 4 MB

    Dimensions & Weight (Base)

    Height 5.35 cm
    Weight 594.3 g
    Width 15 cm
    Depth 20.5 cm

    Manufacturer Warranty

    Service & Support Limited warranty - 1 year
    Service & Support Details Limited warranty - 1 year


    Type LCD display - monochrome
    Display Location Base
    Line Qty 2
    Display Resolution 128 x 32 pixels
    Display Languages Danish, Hebrew, Hungarian, Czech, Croatian, Slovenian, Thai, Slovak, Brazilian Portuguese, English, German, French, Italian, Norwegian, Portuguese, Polish, Finnish, Swedish, Russian, Spanish, Dutch, Greek, Turkish, Arabic, Bulgarian, Latvian, Lithuanian, Estonian, Serbian, Romanian, Catalan, Japanese, Chinese, Korean


    RAM 32 MB

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