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  2. Web callback - Wikipedia

    en.wikipedia.org/wiki/Web_Callback

    A typical Web callback form. Web callback is a technology where a person can enter his or her telephone number in a form on a web site. The company who owns that Web site will then receive the Web callback request and a call center agent will call the person who made the request back on the number they entered.

  3. Error correction code - Wikipedia

    en.wikipedia.org/wiki/Error_correction_code

    Classical (algebraic) block codes and convolutional codes are frequently combined in concatenated coding schemes in which a short constraint-length Viterbi-decoded convolutional code does most of the work and a block code (usually Reed–Solomon) with larger symbol size and block length "mops up" any errors made by the convolutional decoder ...

  4. DEC Special Graphics - Wikipedia

    en.wikipedia.org/wiki/DEC_Special_Graphics

    This was used very often to draw boxes on the VT100 video terminal and the many emulators, and used by bulletin board software. The designation escape sequence ESC ( 0 (hexadecimal 1B 28 30) switched the codes for lower-case ASCII letters to draw this set, and the sequence ESC ( B (hexadecimal 1B 28 42) switched back. [2] IBM calls it Code page ...

  5. Customer service representative - Wikipedia

    en.wikipedia.org/wiki/Customer_service...

    Customer service representatives, customer service advisors, customer service agents, or customer service associates are employees who interact with customers to handle and resolve complaints, process orders, and provide information about an organization’s products and services. They may work in an office with a call center or in retail.

  6. Interface control document - Wikipedia

    en.wikipedia.org/wiki/Interface_control_document

    An ICD is the umbrella document over the system interfaces; examples of what these interface specifications should describe include: The inputs and outputs of a single system, documented in individual SIRS (Software Interface Requirements Specifications) and HIRS (Hardware Interface Requirements Specifications) documents, would fall under "The Wikipedia Interface Control Document".

  7. Asymptote (vector graphics language) - Wikipedia

    en.wikipedia.org/wiki/Asymptote_(vector_graphics...

    Asymptote is also notable for having a graphical interface coded in Python (and the Tk widget set), xasy.py – this allows an inexperienced user to quickly draw up objects and save them as .asy source code which can then be examined or edited by hand. The program's syntax was originally described by using a Yacc compatible grammar.

  8. Emails in AOL Mail cannot be unsent

    help.aol.com/articles/recall-or-unsend-an-email...

    Learn more about unsending emails in AOL Mail. The ability to recall or unsend an email is not available in AOL Mail, because we provide a web-based service which sends messages instantly and once you send an email message, it's gone from your email server and out of our control.

  9. Zip tone - Wikipedia

    en.wikipedia.org/wiki/Zip_tone

    The tone is typically a single, short burst (e.g. 440 hertz for 5 milliseconds) but can also be customized with multiple bursts or tones to hint at the nature of the call, so the agent can answer the call with the appropriate greeting; or a subscriber may know that a specific caller is calling or number was dialed (see distinctive ring).