CP-7942G Cisco CP-7942G Unified IP Phone
The CP-7942G Cisco CP-7942G Unified IP Phone is a professional-grade VoIP phone designed for businesses, offices, and call centers. Supporting 2 programmable SIP lines and HD voice, it delivers crystal-clear audio and seamless call management.
Equipped with dual Gigabit Ethernet ports and Power over Ethernet (PoE), the CP-7942G ensures easy installation and clean cabling. Enterprise-grade security features protect your communications, while the intuitive interface and programmable keys simplify daily operations. Ideal for organizations seeking reliable, high-performance VoIP communication, this phone integrates smoothly with Cisco Unified Communications environments.
The Cisco Unified IP Phone 7942G is designed to grow with your organization and enhancements to your system capabilities. The dynamic feature set allows the phone to keep pace with your requirements through regular software updates. No hands-on moves and changes are required with the phone-you can simply pick up the phone and move to a new location anywhere on your network. The Cisco Unified IP Phone 7942G also provides many accessibility features. Table 1 lists the phone’s features.
| Product Code | CP-7942G |
| Screen | 5-inch (12.5 cm), high-resolution (320 x 222), graphical monochrome 4-bit grayscale display. |
| Ethernet Switch | 10/100 |
| Codec Support | G.711a, G.711µ, G.729a, G.729ab, G.722, and iLBC audio compression codecs are supported. |
| Dimensions (H x W x D) | 8.2 x 10.5 x 6 in. (20.32 x 26.67 x 15.24 cm) |
| Weight | 3.5 lb (1.6 kg) |
| Package Weight | 5.2 lb (2.36 Kg) |
CP-7942G Specification
CP-7942G Specification | |
| Dimensions (H x W x D) | 8.2 x 10.5 x 6 in. (20.32 x 26.67 x 15.24 cm) |
| Weight | 3.5 lb (1.6 kg) |
| Package Weight | 5.2 lb (2.36 Kg) |
| Phone-Casing Composition | Acrylonitrile butadiene styrene (ABS) plastic in textured dark gray color with silver bezel |
| Power | 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. |
| Phone Software Requirements | Supported in 8.3(2) and greater |
| Call Control Compatibility | 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 |
| Signaling Protocols | Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP) with Cisco call control |
| Operating Temperature | 32 to 104°F (0 to 40°C) |
| Relative Humidity | 10 to 95% (noncondensing) |
| Storage Temperature | 14 to 140°F (-10 to 60°C) |
| Display | 5-inch (12.5 cm), high-resolution (320 x 222), graphical monochrome 4-bit grayscale display. |
| Wideband Audio | Support for wideband (G.722 codec, adherence to TIA 920), including handset, headset, and speakerphone (see Q&A for details). |
| Codec Support | G.711a, G.711µ, G.729a, G.729ab, G.722, and iLBC audio compression codecs are supported. |
| Speakerphone | Full-duplex speakerphone with acoustic echo cancellation. |
| Messages Key | Provides direct access to voicemail. |
| Quality of Service (QoS) Options | Supports differentiated services code point (DSCP) and 802.1Q/p standards. |
| Security | 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. |
| Language Support | Built-in support for more than 30 languages (dependent on Cisco Unified Communications Manager version). |
| Configuration Options | IP address assignment can be statically configured or configured through the DHCP client. |
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