CP-7942G Specification
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Dimensions (H x W x D)
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8.2 x 10.5 x 6 in. (20.32 x 26.67 x 15.24 cm)
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Weight
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3.5 lb (1.6 kg)
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Package Weight
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5.2 lb (2.36 Kg)
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Phone-Casing Composition
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Acrylonitrile butadiene styrene (ABS) plastic in textured dark gray color with silver bezel
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Power
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Supports IEEE 802.3af PoE (Class 2).
Also supports Cisco Prestandard Power over Ethernet (PoE), allowing powering from any
of the Cisco Inline Power-capable blades and boxes, plus Cisco midspan. 48VDC is required;
it can be supplied locally at the desktop using an optional AC-to-DC power supply (part number
CP-PWR-CUBE-3=) or power injector (CP-PWR-INJ=).
Local power options require a corresponding AC country cord.
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Phone Software Requirements
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Supported in 8.3(2) and greater
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Call Control Compatibility
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Supported in Cisco Unified Communications Manager Versions 4.1(3)sr5b,
4.2(3)sr2b, 4.3(1), 5.1.1(b), 5.1(2), 6.0(1) and greater;
Supported in Cisco Unified Communications Express and SRST Version 4.1
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Signaling Protocols
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Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP) with Cisco call control
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Operating Temperature
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32 to 104°F (0 to 40°C)
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Relative Humidity
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10 to 95% (noncondensing)
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Storage Temperature
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14 to 140°F (-10 to 60°C)
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Display
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5-inch (12.5 cm), high-resolution (320 x 222), graphical monochrome 4-bit grayscale display.
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Wideband Audio
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Support for wideband (G.722 codec, adherence to TIA 920), including handset, headset, and
speakerphone (see Q&A for details).
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Codec Support
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G.711a, G.711µ, G.729a, G.729ab, G.722, and iLBC audio compression codecs are supported.
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Speakerphone
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Full-duplex speakerphone with acoustic echo cancellation.
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Messages Key
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Provides direct access to voicemail.
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Quality of Service (QoS) Options
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Supports differentiated services code point (DSCP) and 802.1Q/p standards.
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Security
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Positive device identity through X.509v3 Certificates, digitally signed images, cryptographically
secure provisioning, and secure signaling and secure media with AES-128. Cryptography is
not enabled by default and may only be enabled through a cryptographically enabled CUCM.
The phone also contains an 802.1X supplicant and supports EAPOL pass-through.
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Language Support
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Built-in support for more than 30 languages (dependent on Cisco Unified Communications Manager version).
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Configuration Options
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IP address assignment can be statically configured or configured through the DHCP client.
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