Patent ID: 8296796

Claim:
A data processing method of a digital broadcasting receiver, the data processing method comprising: receiving a mobile/handheld (MH) broadcasting signal including mobile service data and main service data; generating RS (Reed-Solomon) frames from the received MH broadcasting signal; extracting ESG (electronic service guide) data from the generated RS frame; extracting SDP (session description protocol) data from the extracted ESG data; checking a port number corresponding to a subtitle having reference information among the extracted SDP data, wherein the reference information includes a title of an entity represented by the subtitle and at least a URL (uniform resource locator), an E-mail, or a phone number that can access the entity; checking a port number corresponding to a general subtitle among the extracted SDP data; controlling the subtitle using the checked port number corresponding to the subtitle to display the subtitle having the reference information; controlling the general subtitle using the checked port number corresponding to the general subtitle to display the general subtitle; displaying a first option for storing the subtitle and a second option for accessing the entity represented by the subtitle; generating access information of the subtitle by mapping the title of the entity with the at least URL, E-mail, or phone number, and storing the generated access information of the subtitle when the first option is selected; displaying the at least URL, E-mail, or phone number and controlling the subtitle to access the displayed at least URL, E-mail, or phone number via a communication module of the digital broadcasting receiver when the second option is selected.