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Linux IP phone offers seven-inch touchscreen and TV projection

Dec 21, 2010 — by LinuxDevices Staff — from the LinuxDevices Archive — 2 views

Grandstream Networks is readying a Linux-based IP phone with a seven-inch touchscreen. The GXV3175 offers a 1.3-megapixel camera, 802.11n, dual Ethernet and USB 2.0 ports, and the ability to project videoconferencing sessions on an attached TV.

IP voice and video telephony specialist Grandstream Networks announced the newest member of its GXV31xx series of VoIP multimedia phones. The GXV3175 desktop IP multimedia telephone is aimed at small to medium-size businesses (SMBs), says the company. A Grandstream spokesperson confirmed our suspicion that the device runs embedded Linux.

Grandstream GXV3175
(Click to enlarge)

This sibling to the Skype-certified GXV3140 offers video telephony capabilities with enhanced picture sharpness, HD audio quality, and a variety of business productivity, casual entertainment, and social networking applications embedded in the phone, says Grandstream. The phone features three lines with up to three SIP accounts, plus a free peer-to-peer IPVideoTalk service, says the company.

Grandstream did not detail the processor or memory available with the GXV3175, but says the device ships with a seven-inch, 800 x 480 resistive touchscreen, as well as a tiltable, 1.3-megapixel CMOS camera with a privacy shutter.

Other major features include dual 10/100Mbps Ethernet ports with integrated PoE, as well as 802.11b/g/n Wi-Fi.  The device is said to offer dual USB ports, an SD port, stereo audio and TV output, a headset jack, and a stylus pen.

Video compression support is said to include H.264, H.263, and H.263+, with H.264 supported at 30 frames per second at VGA, WQVGA, and QVGA resolutions. The phone also offers video conferencing "projection," allowing connection to a digital TV for larger caller projection, says Grandstream.

The GXV3175 provides a touch-and-swipe user interface with built-in infotainment and social networking applications, as well as a full Webkit-based browser. Other apps are said to include personalized local weather, news, stock, currencies, and games.

The phone also provides access to thousands of online radio channels, as well as support for video and music streaming services such as YouTube and, says Grandstream. Additional software is said to include home automation and monitoring, slide show, digital photo frame, and web photo albums such as Yahoo, Flickr, Photobucket, and Phanfare.

Also supplied are social networking applications such as Facebook and Twitter (pending), as well as instant messaging (IM) with Yahoo, MSN, Google (pending), and others.

In addition, the GXV3175 offers a number of business productivity tools such as a calendar, visual phone book directory, visual BLF extension, and fast-dial keys. Other features are said to include a visual ring tone, a mechanism for streaming multimedia advertisements, and an HTML/JavaScript based SDK/API for more advanced custom application development.

The GXV3175 offers a Linux-based touch interface
(Click to enlarge)

The phone is claimed to be interoperable with most third party SIP devices, as well as major IP-PBX or softswitch platforms. It also supports strong security protection using HTTPS, TLS, SRTP, and OpenVPN, says Grandstream.

The device can also be auto-provisioned using the TR-069 standard for large volume deployment in enterprise or service providers' networks, says the company.

Rich Tehrani, CEO and group editor-in-chief of Technology Marketing Corporation (TMC) was quoted as saying, "The GXV3175 is an impressive value as it supports HD voice, multiple SIP accounts, high quality video conferencing with TV output, WiFi, a Webkit-based Web browser, widgets and cloud-based photo album/social network connectivity."


The GXV3175 is available for purchase by the end of this month through Grandstream's distribution channels at a suggested price of $349. More information, including a detailed spec sheet, may be found at the Grandstream's GXV3175 web-page.

Nathan Eddy is a writer for our sister publication eWEEK.

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