by the browser 30 when two lines can be used as in the communication form in fig2 it is possible to use the function of the present invention by calling through one line while connecting to the internet through the other line furthermore according to the preferred embodiment a cache function is provided for the browser 30 so that the contents of the web page and its url can be displayed even after the line is disconnected without reestablishing the connection provided that it is done immediately after the disconnection this browser function is a well known technique and is implemented for example in internet explorer 4 0 therefore the url displayed on the browser can be transmitted even with a single line since the browser need not be on line however the browser 39 s cache is not essential to the present invention since it is possible to disconnect the line while displaying a specific url switch to a telephone and transmit the url being displayed even if the browser does not have a cache when a url is inputted from the input device 34 a keyboard can be used to input it directly or a portable telephone can be used in which a plurality of characters are assigned to each number button and a character is specified by the number of times a corresponding button is depressed in the preferred embodiment an additional function is provided for inputting a url before calling in order to prevent the telephone charges.