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The phone delivers VGA presentation for calling, video calling, and applications, in addition to a 5-inch (10-cm)
graphical TFT color display, 16-bit color depth, 640 x 480 effective pixel resolution, and backlighting. The display also
supports localization requiring double-byte Unicode encoding for fonts.
Four soft key buttons
and a scroll toggle bar
Your calling options are dynamically present; the scroll toggle bar allows easy movement through the displayed
information.
Network features include LLDP-MED, Cisco Discovery Protocol and IEEE 802.1 p/q tagging and switching.
The phone has a 10/100/1000BASE-T Ethernet connection through two RJ-45 ports, one for the LAN connection and
the other for connecting a downstream Ethernet device such as a PC.
A volume-control toggle provides easy decibel-level adjustments of the handset, headset, monitor speaker, and ringer.
The display is easy to view and the buttons and keys are easy to use.
The phone offers user-adjustable ring tones.
American Disabilities Act
(ADA) features
The hearing-aid-compatible (HAC) handset 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 ADA
standards.
Signaling protocol support
The phones are supported in Cisco Unified Communications Manager and Unified Communications Manager
Business Edition Versions 7.1.5 and later using Skinny Client Control Protocol (SCCP). Session Initiation Protocol
(SIP). SIP support is targeted for July 2011.
G.711a, G.711u, G.729a, G.729ab, G.722, and Internet Low Bitrate (iLBC) audio compression codecs are supported.
Comfort-noise generation and voice-activity-detection (VAD) programming is provided on a system basis.
Table 2. Software and Physical Specifications
You can download firmware changes from Cisco.com.
Software upgrades are supported with a Trivial File Transfer Protocol (TFTP) server.
Cisco Unified IP Phone 8945: 9.25 x 4.49 x 10.24 in. (235 x 114 x 260 mm).
Cisco Unified IP Phone 8945: 2.80 lb (1.27 kg) Slimline: 2.72 lb (1.235 kg).
Polycarbonate acrylonitrile butadiene styerene (ABS) plastic.
Table 3. Power Requirements
The phones can receive power from IEEE 802.3af-compliant blades. The phone is Power over Ethernet (PoE)
Class 2.
The phones can also be powered locally with a power adapter (CP-PWR-CUBE-3=) along with one of the power cords
listed in Table 4.
Table 4. AC Region and Country-Specific Power Cords
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