Patent ID: 8554922
Filing Date: 2013-10-08
Classification: H04L

Abstract:
1. A method of retrieving at least one parameter of a SDP (session description protocol) file prior to a session setup in an open IPTV terminal function (OITF) receiver, the method comprising: performing a content reference identifier (CRID) location resolution process of mapping a CRID to either other CRIDs or a location information, wherein the location information provides additional data to retrieve the content; retrieving the at least one SDP parameter prior to the session setup, the retrieving comprising: performing the process of the session setup after the OITF receiver has retrieved the at least one parameter, wherein the location information is defined in a Time And uniform resource locator (URL) Type schema of broadband content guide (BCG) information, and the Time And URL Type schema additionally defines SDP mode attribute information identifying a mode for delivery of the content, and SDP-URL attribute information indicating a URL that provides the content.