A telephone number sent from a handheld information terminal and identification
information produced by adding, to the telephone number, address presence/absence
specifying information indicating at least presence/absence of a URL address for
identifying a resource on the Internet are acquired. A URL address associated with
the identification information is acquired from a telephone number/URL address
correspondency database in which at least telephone numbers and Internet domain
addresses are associated. A telephone number/URL address correspondency analysis
program functions to send the URL address to the handheld information terminal
and to prompt the handheld information terminal to access the URL address.