Patent ID: 6574670
Filing Date: 2003-06-03
Classification: H04N

Abstract:
An electronic mail-capable communications terminal device comprising:first storage means for storing data specifying kinds of networks used by a plurality of users of the electronic mail-capable communications terminal device in connection to the plurality of users respectively, each user using a particular kind of network to send an electronic mail; second storage means for storing data specifying kinds of networks used by a plurality of recipients in connection to the plurality of recipients respectively, each recipient using a particular kind of network to receive an electronic mail; and means for modifying an electronic mail address of an intended recipient such that an electronic mail is transmitted to a network of an intended recipient when a network of a user who is sending an electronic mail and that of an intended recipient are different, wherein the means for modifying the recipient's electronic mail address stores a plurality of predetermined character strings each used for electronic mail transmission between particular two different networks, and selects and appends an appropriate character string to a recipient's electronic mail address according to a network used by a user sending an electronic mail and that of an intended recipient.