An installing program for allowing a computer to function as an installer comprising:
- means for generating, through a user operation on a computer, an application list containing application program type (PC application or browser application) of each application, presence or absence of communication with a CPU of a button telephone apparatus, necessity or unnecessity of PC reboot after installation, default installation folder/program name, default icon folder/program name and recording the generated application list in a storage medium;
- means for using a computer to generate, based on the application list, a configuration file containing, for all the installed applications, the total number of applications and specified market and containing, for respective installed applications, application name, information indicating whether the application is released or not into a specified market, application program type (PC application or browser application), presence or absence of communication with the CPU of the button telephone apparatus, necessity or unnecessity of reboot after installation, program installation path, and icon installation path and recording the generated configuration file in a storage medium;
- means for using a computer to set a common item in a registry, set the number of installed applications and IP address of the CPU of the button telephone apparatus as attributes of the common item, set an item for each application immediately under the common item, set program installation folder/file name and icon installation folder/file name as attributes of the item set for each application;
- means for using a computer to set, in the field of number of installed applications in the registry, information indicating whether the application is released or not into a specified market and number of installed applications which has been determined based on user's selection;
- means for using a computer to set a value of the IP address input by the user in the field of IP address in the registry;
- and
- installation means for using a computer to install applications selected by the user, wherein
- the installation means performs installation based on an MSI file for an application whose application program type is PC application;
- while, for an application whose application program type is browser application, the installation means sets a shortcut for connecting to the URL input by the user and an icon of the shortcut and sets the set destinations of the shortcut and icon in the registry, and
- in the installation based on the MSI file, the installation means sets, as needed, the IP address that has been set in the registry in the configuration of the application to be installed in the PC.