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  2. 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 ]

  3. SIP extensions for the IP Multimedia Subsystem - Wikipedia

    en.wikipedia.org/wiki/SIP_extensions_for_the_IP...

    These two extensions allow users to specify their preferences about the service the IMS provides. With the caller preferences extension, [8] the calling party is able to indicate the kind of user agent they want to reach (e.g. whether it is fixed or mobile, a voicemail or a human, personal or for business, which services it is capable to provide, or which methods it supports) and how to search ...

  4. 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 ...

  5. 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.

  6. Filename extension - Wikipedia

    en.wikipedia.org/wiki/Filename_extension

    The exact definition, giving the criteria for deciding what part of the file name is its extension, belongs to the rules of the specific file system used; usually the extension is the substring which follows the last occurrence, if any, of the dot character (example: txt is the extension of the filename readme.txt, and html the extension of ...

  7. Update AOL Mail settings

    help.aol.com/articles/aol-mail-mail-settings

    Change any of the following settings, then click Save to finalize your selection: • Inbox Style Select what type of inbox you want. • Mail Away Message Create and enable away messages.

  8. View and manage data associated with your account - AOL Help

    help.aol.com/articles/view-and-manage-data...

    A file containing your data will then start to download to your computer or device. Cancel your download request: 1. Go down to "Download Request In Progress." 2. Click Cancel the download request. 3. Beside the current download request, click Cancel request.

  9. Comparison of cross-platform instant messaging clients

    en.wikipedia.org/wiki/Comparison_of_cross...

    The landscape for instant messaging involves cross-platform instant messaging clients that can handle one or multiple protocols. [1] Clients that use the same protocol can typically federate and talk to one another.