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  2. Voice modem command set - Wikipedia

    en.wikipedia.org/wiki/Voice_modem_command_set

    Answering calls is usually done with either the AT+VLS=n or AT#VLS=n commands, where n is a number representing the modem's mode. For the vast majority of modems, this number will be 1 to answer a telephone call, and 0 to hang up; other numbers activate other functionality when present, such as speakerphone.

  3. VoIP recording - Wikipedia

    en.wikipedia.org/wiki/Voip_recording

    Voice over Internet Protocol (VoIP) recording is a subset of telephone recording or voice logging, first used by call centers and now being used by all types of businesses. . There are many reasons for recording voice over IP call traffic such as: reducing company vulnerability to lawsuits by maintaining recorded evidence, complying with telephone call recording laws, increasing security ...

  4. Automatic message accounting - Wikipedia

    en.wikipedia.org/wiki/Automatic_Message_Accounting

    Automatic message accounting (AMA) provides detailed accounting for telephone calls. When direct distance dialing (DDD) was introduced in the US, message registers no longer sufficed for dialed telephone calls. The need to record the time and phone number of each long-distance call was met by electromechanical data processing equipment.

  5. Call-recording hardware - Wikipedia

    en.wikipedia.org/wiki/Call-recording_hardware

    It can be configured to record all calls or some calls, either randomly or on demand. Businesses, particularly call centers, use call recording for training, quality management, and legal compliance. Consumer call-recording hardware was introduced in the 1970s, along with the first consumer-grade answering machines. [1]

  6. Call detail record - Wikipedia

    en.wikipedia.org/wiki/Call_detail_record

    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 ...

  7. Modem - Wikipedia

    en.wikipedia.org/wiki/Modem

    V.92 also added two other features. The first is the ability for users who have call waiting to put their dial-up Internet connection on hold for extended periods of time while they answer a call. The second feature is the ability to quickly connect to one's ISP, achieved by remembering the analog and digital characteristics of the telephone ...

  8. Comparison of user features of messaging platforms - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_user...

    Comparison of user features of messaging platforms refers to a comparison of all the various user features of various electronic instant messaging platforms. This includes a wide variety of resources; it includes standalone apps, platforms within websites, computer software, and various internal functions available on specific devices, such as iMessage for iPhones.

  9. Message passing - Wikipedia

    en.wikipedia.org/wiki/Message_passing

    In computer science, message passing is a technique for invoking behavior (i.e., running a program) on a computer.The invoking program sends a message to a process (which may be an actor or object) and relies on that process and its supporting infrastructure to then select and run some appropriate code.