Cisco Unified IP Phone 7942G – VoIP phone Series
The Cisco 7942G provides two programmable backlit line/feature buttons and four interactive soft keys that guide a user through features, and audio controls for high-quality duplex speakerphone, handset, and headset. A built-in headset port and an integrated Ethernet switch are standard with the Cisco 7942G.
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. |
