.ISMC File Extension
File TypeSmooth Streaming Client Manifest File
What is an ISMC file?
File used by Smooth Streaming, an extension for Microsoft's IIS Web server for streaming multimedia content; hosted on the IIS Web server and contains information about the codecs, resolutions, and fragments (the video chunks in .ISMV files) for hosted multimedia files; saved in an XML format.
ISMC files are used by Silverlight client applications that run within the user's Web browser. The ISMC file is hosted with an .ISM server file, and together, they contain the information required by the server and the client to initiate a multimedia stream.