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  2. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    The source of the request did not have the permission of the recipient to make such a request. [20] 480 Temporarily Unavailable Callee currently unavailable. [1]: §21.4.18 481 Call/Transaction Does Not Exist Server received a request that does not match any dialog or transaction. [1]: §21.4.19 482 Loop Detected Server has detected a loop.

  3. ioctl - Wikipedia

    en.wikipedia.org/wiki/Ioctl

    The ioctl system call first appeared in Version 7 of Unix under that name. It is supported by most Unix and Unix-like systems, including Linux and macOS, though the available request codes differ from system to system. Microsoft Windows provides a similar function, named "DeviceIoControl", in its Win32 API.

  4. Local Inter-Process Communication - Wikipedia

    en.wikipedia.org/wiki/Local_Inter-Process...

    As of Windows Vista, LPC has been rewritten as Asynchronous Local Inter-Process Communication [1] (ALPC, often also Advanced Local Procedure Call) in order to provide a high-speed scalable communication mechanism required to efficiently implement User-Mode Driver Framework (UMDF), whose user-mode parts require an efficient communication channel ...

  5. Expect - Wikipedia

    en.wikipedia.org/wiki/Expect

    Expect is an extension to the Tcl scripting language written by Don Libes. [2] The program automates interactions with programs that expose a text terminal interface. Expect, originally written in 1990 for the Unix platform, has since become available for Microsoft Windows and other systems.

  6. Microphone practice - Wikipedia

    en.wikipedia.org/wiki/Microphone_practice

    Situational circumstances: Sometimes a microphone should not be visible, or having a microphone nearby is not appropriate. In scenes for a movie the microphone may be held above, out of the picture frame. Processing: If the signal is destined to be heavily processed, or mixed down, a different type of input may be required.

  7. Hooking - Wikipedia

    en.wikipedia.org/wiki/Hooking

    Microsoft Windows for example, allows users to insert hooks that can be used to process or modify system events and application events for dialogs, scrollbars, and menus as well as other items. It also allows a hook to insert, remove, process or modify keyboard and mouse events.

  8. Calling convention - Wikipedia

    en.wikipedia.org/wiki/Calling_convention

    For example, on 32-bit Windows, operating system calls have the stdcall calling convention, whereas many C programs that run there use the cdecl calling convention. To accommodate these differences in calling convention, compilers often permit keywords that specify the calling convention for a given function.

  9. Cantata++ - Wikipedia

    en.wikipedia.org/wiki/Cantata++

    Cantata++, commonly referred to as Cantata in newer versions, is a commercial computer program designed for dynamic testing, with a focus on unit testing and integration testing, [1] as well as run time code coverage analysis for C and C++ programs.