CP-3911 Cisco Grey SIP Unified Phone
CP-3911 Cisco Grey SIP Unified Phone
Table 1. Features and Descriptions
Feature Description
Hold or Resume key Places a call on hold when pressed, and resumes the held call when pressed again
Lighted Speakerphone key Lights when pressed to indicate that the speakerphone is currently being used
Lighted Mute key Lights when pressed to indicate that the microphone has been muted
Lighted Line key Flashes fast when an incoming call is received during the alerting stage of the call; it can be
used to answer the call during the alerting stage, in which case the phone uses the
speakerphone and thus the speakerphone key is lit; when the call is answered the key stays
lit until the call is completed
If pressed when no calls are being made, it places the phone off hook and provides dial tone
through the speaker; both the Line key and the Speakerphone keys are lit
Flashes when a call has been placed on hold; can also be used to retrieve the call from hold
Lighted Conference key Can be used during a call to conference a third party into the current call; flashes while the
conference call is set up and remains lit after the 3-way call is established
Redial key Can be used to redial the last person called
Transfer key Can be used to transfer a call
Lighted message waiting
indicator
Lights when there is new voicemail (also the Voicemail key lights) and stays lit until new
voicemail has been processed by the user; when pressed, connects the user to the
voicemail system
Graphical display Graphical monochrome display with a resolution of 144 x 32 pixels, providing a scrollable 2-
line intuitive access to Directory Services and configuration
Scroll toggle bar The scroll toggle bar allows easy movement through the displayed information
Network features Cisco Discovery Protocol; IEEE 802.1 p/q tagging and switching
Volume control A volume-control toggle to provide easy decibel-level adjustments of the handset, monitor
speaker, and ringer
Single-position foot stand Optimum display viewing and comfortable use of keys; the foot stand can be removed for
wall mounting with mounting holes located on the base of the phone
American Disabilities Act
(ADA) features
Hearing aid-compatible (HAC) handset that meets the requirements set by the ADA; it also
meets ADA HAC requirements for a magnetic coupling to approved hearing aids; the phone
dialing pad also complies with the ADA
Signaling protocol support Compatible with Cisco CallManager Version 5.0(x) and later, using Session Initiation
Protocol (SIP)
Codec support G.711, G.729, and G.729a audio-compression codecs
Configuration options Provisioning of network parameters through Dynamic Host Configuration Protocol (DHCP)
Voice quality Voice activity detection (VAD)
Table 2. Security Features
Item Description
Password Secures access to the phone configuration menu
Table 3. Software and Physical Specifications
Item Description
Firmware upgrades Firmware upgrades available for download from Cisco.com
Software upgrades Software upgrade supported using a Trivial File Transfer Protocol (TFTP) server
Dimensions (H x W x D) 7.87 in. x 7.08 in. x 1.77 in. (200 mm x 180 mm x 45 mm)
Weight 1.1 lb (505 g)
Phone casing composition Plastic (resin ABS-HB, Resin: SD-0150) in textured dark gray
Data Sheet
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Table 4. Power Options
Item Description
IEEE 802.3af PoE Phone can receive power from IEEE 802.3af-compliant switches
Local power Phone can also be powered locally with a power adapter (CP-PWR-CUBE-3=) along with
one of the power cords listed in Table 5
Power injector Cisco Unified IP Phone Power Injector (CP-PWR-INJ), which can also be used to power the
Cisco Unified SIP Phone 3911
Table 5. AC Region and County-Specific Power Cords (Needed only when phone is powered locally with
the CP-PWR-CUBE-3)
Part Number Description
CP-PWR-CORD-AP= Asia Pacific
CP-PWR-CORD-AR= Argentina
CP-PWR-CORD-CN= China
CP-PWR-CORD-NA= North America
CP-PWR-CORD-AU= Australia
CP-PWR-CORD-CE= European Community
CP-PWR-CORD-JP= Japan
CP-PWR-CORD-SW= Switzerland
CP-PWR-CORD-UK= United Kingdom
Table 6. Temperature Ratings
Item Description
Operating temperature 23 to 104°F (–5 to 40°C)
Relative humidity 90% +/–5
Storage temperature Up to 140°F (60°C)
Table 7. Certifications
Item Description
Regulatory compliance Products with the CE Marking indicate compliance with the 89/336/EEC and 73/23/EEC
directives, which include the safety and EMC standards listed below.
Safety ● UL 60950
● CSA-C22.2 No. 60950
● EN 60950
● IEC 60950
● AS/NZS 60950
Electromagnetic compatibility ● FCC Part 15 (CFR 47) Class B
● ICES-003 Class B
● EN55022 Class B
● CISPR22 Class B
● CISPR24
● AS/NZS CISPR22 Class B
● VCCI Class B
● EN55024
● EN50082-1
● EN 61000-3-2
● EN 61000-3-3
● EN 61000-6-1
● EN300386
● KN22 Class B
Data Sheet
All contents are Copyright © 2007 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 4 of 5
Telecom ● CS-03 - HAC
● FCC Part 68 (HAC)
● AS/ACIF S004
● AS/ACIF S040
● NZ PTC 220 DR
Industry Standards ● TIA 810 A
Table 8. Ordering Information
Part Number Description
CP-3911 Cisco Unified SIP Phone 3911 (license available as a configuration option)
CP-3911= Spare Cisco Unified SIP Phone 3911
CP-3911-CME-CH1 SKU for tier 2 distributors only
Table 9. Optional Accessories
Part Number Description
CP-HANDSET-CORD= Spare phone handset cord
CP-LCKNGWALLMNT2= Universal locking wall-mounting kit
CP-PWR-CUBE-3= Local power adapter for sites where PoE is not available; refer to Table 5 for the right power
cord part number for your region
CP-PWR-INJ The Cisco Unified IP Phone Power Injector (CP-PWR-INJ) can also be used to power the
Cisco Unified SIP Phone 39