A method carried out by at least one network node of a telecommunication network for deciding whether to change a state of a communication channel to a communication terminal, the method comprising: a first procedure, hereinafter referred to as "determination procedure", comprising determining at least one characteristic of traffic associated with the communication terminal, based on data collected in at least one point of the telecommunication network over a time interval of length L, the time interval being hereinafter referred to as "first time interval"; a second procedure, hereinafter referred to as "prediction procedure", comprising predicting, based on the determined at least one characteristic of the traffic associated with the communication terminal, a traffic activity expected to be associated with the communication terminal during at least another time interval of length L, the other time interval being hereinafter referred to as "second time interval", wherein the second time interval follows the first time interval; and a third procedure, hereinafter referred to as "decision procedure", comprising deciding, based on the predicted traffic activity for the second time interval and on the determined at least one characteristic of the traffic associated with the communication terminal, whether to change the state of the communication channel, wherein the predicted traffic activity comprises at least one of: a predicted burst length after the first time interval, a predicted silence length after the first time interval, and a predicted bandwidth expected to be required for the communication terminal during the second time interval. a first procedure, hereinafter referred to as "determination procedure", comprising determining at least one characteristic of traffic associated with the communication terminal, based on data collected in at least one point of the telecommunication network over a time interval of length L, the time interval being hereinafter referred to as "first time interval"; a second procedure, hereinafter referred to as "prediction procedure", comprising predicting, based on the determined at least one characteristic of the traffic associated with the communication terminal, a traffic activity expected to be associated with the communication terminal during at least another time interval of length L, the other time interval being hereinafter referred to as "second time interval", wherein the second time interval follows the first time interval; and a third procedure, hereinafter referred to as "decision procedure", comprising deciding, based on the predicted traffic activity for the second time interval and on the determined at least one characteristic of the traffic associated with the communication terminal, whether to change the state of the communication channel, wherein the predicted traffic activity comprises at least one of: a predicted burst length after the first time interval, a predicted silence length after the first time interval, and a predicted bandwidth expected to be required for the communication terminal during the second time interval. a predicted burst length after the first time interval, a predicted silence length after the first time interval, and a predicted bandwidth expected to be required for the communication terminal during the second time interval.