Patent ID: 8191095
Filing Date: 2012-05-29
Classification: H04L,H04N

Abstract:
1. A method implemented by a television set-top terminal, comprising: periodically receiving a configuration message specifying a first type of communication channel; determining whether an authorization message, which is received separately from the configuration message, was received prior to the configuration message; if the authorization message was not received prior to the configuration message, disregarding the first type of communication channel provided in the configuration message, and maintaining a current communication channel; if the authorization message was received prior to the configuration message, determining whether the first type of communication is currently implemented; receiving program guide information over the first type of communication channel; determining that program guide information is subsequently not available over the first type of communication channel; responsive to determining that program guide information is subsequently not available over the first type of communication channel, receiving program guide information over a second type of communication channel, the program guide information being received separately from the configuration message; and subsequent to receiving program guide information over the second type of communication channel, determining that program guide information is available over the first type of communication channel; and responsive to determining that program guide information is available over the first type of communication channel, receiving program guide information over the first type of communication channel.