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A call detail record (CDR) is a data record produced by a telephone exchange or other telecommunications equipment that documents the details of a telephone call or other telecommunications transactions (e.g., text message) that passes through that facility or device. The record contains various attributes of the call, such as time, duration ...
The Harvard sentences, or Harvard lines, [1] is a collection of 720 sample phrases, divided into lists of 10, used for standardized testing of Voice over IP, cellular, and other telephone systems. They are phonetically balanced sentences that use specific phonemes at the same frequency they appear in English.
Conversation analysis (CA) is an approach to the study of social interaction that investigates the methods members use to achieve mutual understanding through the transcription of naturally occurring conversations from audio or video. [1]
Extensions that were busy or rang “no answer” would forward to the message center onto a device called a “call director”. The call director had a button for each extension in the company which would flash when that person's extension forwarded to the message center. A little label next to the button told the operator whose extension it was.
The term "call center" was first published and recognised by the Oxford English Dictionary in 1983. The 1980s saw the development of toll-free telephone numbers to increase the efficiency of agents and overall call volume. Call centers increased with the deregulation of long-distance calling and growth in information-dependent industries. [11]
They describe the rules followed by people in conversation. [2] Applying the Gricean maxims is a way to explain the link between utterances and what is understood from them. Though phrased as a prescriptive command, the principle is intended as a description of how people normally behave in conversation. Lesley Jeffries and Daniel McIntyre ...
Media – Transferring the actual media in the call, such as audio, video, text messages, files, etc. Quality of service – Providing out-of-band content or feedback about the media such as synchronization, statistics, etc.
Memoranda to file are used in investigations in the private sector. For example, the fraud unit of a large corporation may use memoranda to file, to report individual interviews and significant telephone conversations. Generally, "the memorandum will show the name of the author, date of preparation, the case name or number, and the specific ...