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In telecommunications, the dropped-call rate (DCR) is the fraction of the telephone calls which, due to technical reasons, were cut off before the speaking parties had finished their conversational tone and before one of them had hung up (dropped calls). This fraction is usually measured as a percentage of all calls.
A dropout is a momentary loss of signal in a communications system, usually caused by noise, propagation anomalies, or system malfunctions. For analog signals, a dropout is frequently gradual and partial, depending on the cause.
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In telecommunications, the term call duration has the following meanings: . In telephone systems, the time between (a) the instant a circuit, i.e., off-hook condition at each end, is established between the call originator and the call receiver and (b) the instant the call originator or the call receiver terminates the call.
Linearized PDF files (also called "optimized" or "web optimized" PDF files) are constructed in a manner that enables them to be read in a Web browser plugin without waiting for the entire file to download, since all objects required for the first page to display are optimally organized at the start of the file. [27]
There is a dedicated national Centre of Excellence for Urdu Informatics that operates under the auspices of National Language Authority that has been carrying out research on the standardisation of Urdu alphabets for electronic media.
In telecommunications there may be different reasons why a handover might be conducted: [1] when the phone is moving away from the area covered by one cell and entering the area covered by another cell the call is transferred to the second cell in order to avoid call termination when the phone gets outside the range of the first cell;
The term off-hook has the following meanings: The condition that exists when a telephone or other user instrument is in use, i.e., during dialing or communicating. A general description of one of two possible signaling states at an interface between telecommunications systems, [ 1 ] such as tone or no tone and ground connection versus battery ...