| 摘要 |
<p>A communication apparatus using the same and different types of lines, wherein the upper limit of communication charge as calculated per hour from the upper limit of a predetermined monthly communication charge is compared with an actual communication charge as calculated per hour from the time that has passed since the start of a connection and from the number of transmitted/received packets as determined by a communication terminal, and if the actual communication charge exceeds the upper limit of communication charge, then the packet transmission amount is reduced when using a line for which the charge increases with the amount of packets; or alternatively the communication is disconnected when using a line for which the charge increases with the time.</p> |
