The invention relates to a method for controlling load in a telecommunication system comprising a network part, at least one subscriber terminal and a telecommunication connection between the network part and the subscriber terminal, in which method the telecommunication connection is used for connection setup and data transfer, the telecommunication connection comprising a channel for relaying channel allocation requests transmitted by the subscriber terminal to the network part. The invention is characterized in that the telecommunication system load is controlled by adjusting the capacity of the channel used for relaying the channel allocation requests.