Product MPN
Key Features
IP Wireless Phone can be patched in to a wireless network via it's own wireless network card. IP Video Phone is for use in video conferencing. These models allow you to see as well as hear person(s) on the other end of the line. IP Wireless Video Phone gives you the convenience that a wireless network provides and allows worldwide video calls.
Interfaces
This describes the type of wire connection the phone uses to connect to other network devices. Make sure this type is compatible with existing network devices.
Networking Connectivity
1 x USB, RJ 45 - 10/100 Base-TX (Ethernet)
This is the connector type for audio and video signals. Using the connectors you can use external devices like receivers, TVs or any other devices that receive audio or video signals. This will allow you to hear, see, or record using the phone.
Audio / Video Interfaces
Headset/ Handset: 2.5mm jack
Standards and Protocols
These are the network protocols supported by the phone. These protocols provide the phone a 'language' for communication with the network. Make sure this attribute is compatible with existing network devices.
Codecs are what encode and decode the audio or video signal over your phone. Generally the most popular are G.711. Most importantly, make sure the standard is the same as other devices it needs to communicate with, as all codec standards are not compatible.
Codec
G.729A, G.729AB, G.711a
QoS stands for quality of service. For the most basic audio telephone service, lower qualities are fine. As you require more capabilities of your phone (such as streaming video), high QoS becomes more important.
QoS
IEEE 802.1p/Q, DiffSer
Video
This is the size and quality of the video image possible using this phone. Image quality depends on the number of pixels, the higher the number the better the quality of the image.
Video Resolution
320 x 240
Display and Controls
IP Phones often come with attached keyboards. This is the type of keyboard your IP phone has. Numeric keyboards have only numbers, whereas alpha-numeric have both letters and numbers. QWERTY keyboards are standard layout typing keyboards.
LCD displays have low energy requirements and are generally easy to read. TFT is a type of LCD. Compared to other types of LCDs, TFTs feature excellent image quality and response time (using somewhat more energy), and are generally found in more expensive models. Monochrome (black & white) LCDs usually have both a backlight as well as a reflective backing, allowing them to be equally usable in both bright light as well as complete darkness.
Display Type
Color Touch-Screen LCD
Buttons
Mute, Headset / Hand Free, Hold
Dimensions
Miscellaneous
This is how the device gets power. Many devices are powered through their connection to the network (for example, through the USB cable). Others are powered through an AC adapter.
Power Source
Via USB, Power over LAN / IEEE 802.3 af / PoE, AC Power
Some IP phones come with extra features such as a phonebook, SMS messaging, or a built in answering machine.
Additional Features
Hand Free Mode, Speaker
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