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Since only one wireless device can transmit at once, wireless transmissions are doubled (router to the repeater and then repeater to the client versus just router to the client), and so: Wireless throughput is reduced by at least 50%. [1] Wireless interference (e.g., with other networks on the same channel) is at least doubled.
The Hayes command set (also known as the AT command set) is a specific command language originally developed by Dale Heatherington and Dennis Hayes [1] [2] for the Hayes Smartmodem in 1981. The command set consists of a series of short text strings which can be combined to produce commands for operations such as dialing, hanging up, and ...
AT&T has an intercept message that is heard due to network congestion: "All circuits are busy now, please try your call again [TANDEM]". The number and digits at the end identify the network edge or Tandem switch the caller's local exchange company routed the call to.
A voicemail system (also known as voice message or voice bank) is a computer-based system that allows callers to leave a recorded message when the recipient has been unable or unwilling to answer the phone.
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Visual voicemail on the BlackBerry Pearl Demo screenshot of a visual voicemail application. Visual voicemail is direct-access voicemail with a visual interface. Such an interface presents a list of messages for playback, as opposed to the sequential listening required using traditional voicemail, and may include a transcript of each message.
In 2003, AT&T Wireless acquired Telecorp/Tritel and in 2004, closed the Telecorp headquarters in Arlington, VA. Cincinnati Bell Wireless started as a joint venture between Cincinnati Bell and AT&T Wireless, in which AT&T Wireless owned 20%. When AT&T Wireless was purchased by Cingular, control of the 20% passed to Cingular as well.
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