The THROUGHPUTTIMETHRESHOLD option specifies the time threshold for a session after which it may be cancelled for low throughput.
You can update this server option without stopping and restarting the server by using the SETOPT command. See SETOPT (Set a server option for dynamic update).
Specify that the server is to wait until 90 minutes plus the media wait time after a session has started sending data before examining it as a candidate for cancellation. If a session is not achieving 50 thousand bytes per second in transfer rates, it will be cancelled.
throughputtimethreshold 90
Throughputdatathreshold 50