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  2. Apple Icon Image format - Wikipedia

    en.wikipedia.org/wiki/Apple_Icon_Image_format

    The Apple Icon Image format (.icns) is an icon format used in Apple Inc.'s macOS.It supports icons of 16 × 16, 32 × 32, 48 × 48, 128 × 128, 256 × 256, 512 × 512 points at 1x and 2x scale, with both 1-and 8-bit alpha channels and multiple image states (example: open and closed folders).

  3. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    While MS-DOS and NT always treat the suffix after the last period in a file's name as its extension, in UNIX-like systems, the final period does not necessarily mean that the text after the last period is the file's extension. [1] Some file formats, such as .txt or .text, may be listed multiple times.

  4. IP Multimedia Subsystem - Wikipedia

    en.wikipedia.org/wiki/IP_Multimedia_Subsystem

    3GPP / TISPAN IMS architectural overview 3GPP / TISPAN IMS architectural overview – HSS in IMS layer (as by standard) Each of the functions in the diagram is explained below. The IP multimedia core network subsystem is a collection of different functions, linked by standardized interfaces, which grouped form one IMS administrative network. [ 7 ]

  5. iPadOS 13 - Wikipedia

    en.wikipedia.org/wiki/IPadOS_13

    iPadOS 13 is the first major release of the iPadOS mobile operating system developed by Apple Inc. for their iPad line of tablet computers. The successor to iOS 12 on those devices, it was announced at the company's 2019 Worldwide Developers Conference (WWDC) on June 3, 2019, [ 8 ] as a derivation from iOS , with a greater emphasis on ...

  6. IPSW - Wikipedia

    en.wikipedia.org/wiki/IPSW

    The .ipsw file itself is a compressed archive file (renamed Zip archive) containing at least three Apple Disk Image files with one containing the root file system of the OS and two ram disks for restore and update. tvOS, audioOS and macOS also include a disk image for the recovery environment (recoveryOS).

  7. IMS security - Wikipedia

    en.wikipedia.org/wiki/IMS_security

    The security in IMS is based on a secret key of long duration shared between the ISIM and the AUC (Authentication Center) of the local network. ISIM: it is an application that runs on a smart card UICC (Universal Integrated Circuit Card) that contains the identification parameters and authentication of the IMS user.

  8. Multimedia telephony - Wikipedia

    en.wikipedia.org/wiki/Multimedia_Telephony

    The 3GPP/NGN IP Multimedia Subsystem (IMS) multimedia telephony service (MMTel) is a global standard based on the IMS, offering converged, fixed and mobile real-time multimedia communication using the media capabilities such as voice, real-time video, text, file transfer and sharing of pictures, audio and video clips. With MMTel, users have the ...

  9. List of Apple codenames - Wikipedia

    en.wikipedia.org/wiki/List_of_Apple_codenames

    This article may be in need of reorganization to comply with Wikipedia's layout guidelines.The reason given is: See talk page, and see layout options here. Please help by editing the article to make improvements to the overall structure.