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  2. Dropped-call rate - Wikipedia

    en.wikipedia.org/wiki/Dropped-call_rate

    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.

  3. Dropout (communications) - Wikipedia

    en.wikipedia.org/wiki/Dropout_(communications)

    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.

  4. Multiservice tactical brevity code - Wikipedia

    en.wikipedia.org/wiki/Multiservice_tactical...

    Off (direction) Informative call indicating attack is terminated and maneuvering to the indicated direction. Offset Informative call indicating maneuver in a specified direction with reference to (direction) the target. On station Informative call unit/aircraft has reached assigned station. Opening Increasing in range. Oranges Weather. Out ...

  5. Call duration - Wikipedia

    en.wikipedia.org/wiki/Call_duration

    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.

  6. On- and off-hook - Wikipedia

    en.wikipedia.org/wiki/On-_and_Off-hook

    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 ...

  7. Urdu - Wikipedia

    en.wikipedia.org/wiki/Urdu

    Urdu in its less formalised register is known as rekhta (ریختہ, rek̤h̤tah, 'rough mixture', Urdu pronunciation:); the more formal register is sometimes referred to as زبانِ اُردُوئے معلّٰى, zabān-i Urdū-yi muʿallá, 'language of the exalted camp' (Urdu pronunciation: [zəbaːn eː ʊrdu eː moəllaː]) or لشکری ...

  8. November 2024 PTI protest - Wikipedia

    en.wikipedia.org/wiki/November_2024_PTI_protest

    [36] [37] Khan's sister, Aleema Khanum, urged Pakistanis to follow the protest call, relaying his message for a nationwide protest. [37] Separately, Chief Minister of Khyber Pakhtunkhwa Ali Amin Gandapur called on PTI supporters to prepare for the "final call." Gandapur stated that PTI members were ready to make the "ultimate sacrifice," adding ...

  9. Radiotelephony procedure - Wikipedia

    en.wikipedia.org/wiki/Radiotelephony_procedure

    Radio call signs are a globally unique identifier assigned to all stations that are required to obtain a license in order to emit RF energy. The identifiers consist of from 3 to 9 letters and digits, and while the basic format of the call signs are specified by the ITU-R Radio Regulations, Article 19, Identification of stations, [5] the details are left up to each country's radio licensing ...