Version update method
First Claim
1. A version update method for updating a version of a communication system application program installed in a plurality of terminals connected to a communication network and operating between at least two terminals, the method comprising:
- starting communications between the two of the plurality of terminals;
exchanging version information of the communication system application program between the two terminals communicating with each other and making a comparison between the version information held in one terminal and that in the other;
making a request for transmitting the communication system application program file of the version not held in either terminal; and
transmitting the communication system application program file of the specified version to the terminal making the request.
1 Assignment
0 Petitions
Accused Products
Abstract
A version update method is provided for updating a version of a communication system application program installed in a plurality of terminals connected to a communication network and operating between at least two terminals. The method includes: starting communications between the two of the plurality of terminals; exchanging version information of the communication system application program between the two terminals communicating with each other and making a comparison between the version information held in one terminal and that in the other; making a request for transmitting the communication system application program file of the version not held in either terminal; and transmitting the communication system application program file of the specified version to the terminal making the request.
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Citations
8 Claims
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1. A version update method for updating a version of a communication system application program installed in a plurality of terminals connected to a communication network and operating between at least two terminals, the method comprising:
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starting communications between the two of the plurality of terminals;
exchanging version information of the communication system application program between the two terminals communicating with each other and making a comparison between the version information held in one terminal and that in the other;
making a request for transmitting the communication system application program file of the version not held in either terminal; and
transmitting the communication system application program file of the specified version to the terminal making the request. - View Dependent Claims (2)
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3. A version update method for updating a version of a communication system application program installed in a plurality of terminals connected to a communication network and operating between at least two terminals, the method comprising:
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starting communications between the two of the plurality of terminals;
exchanging version information of the communication system application program between the two terminals communicating with each other and making a comparison between the version information held in one terminal and that in the other;
starting the communication system application program with the version common to the two terminals among the versions held in the two terminals and executing the communication system application program;
making a request for transmitting the communication system application program file of the version not held in either terminal, after execution of the communication system application program; and
transmitting the communication system application program file of the specified version to the terminal making the request. - View Dependent Claims (4)
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5. A computer-readable program product for updating a version of a communication system application program installed in a plurality of terminals connected to a communication network and operating between at least two terminals, the program product for causing a computer to execute:
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starting communications between the two of the plurality of terminals;
exchanging version information of the communication system application program between the two terminals communicating with each other and making a comparison between the version information held in one terminal and that in the other;
making a request for transmitting the communication system application program file of the version not held in either terminal; and
transmitting the communication system application program file of the specified version to the terminal making the request. - View Dependent Claims (6)
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7. A computer-readable program product for updating a version of a communication system application program installed in a plurality of terminals connected to a communication network and operating between at least two terminals, the program product for causing a computer to execute:
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starting communications between the two of the plurality of terminals;
exchanging version information of the communication system application program between the two terminals communicating with each other and making a comparison between the version information held in one terminal and that in the other;
starting the communication system application program with the version common to the two terminals among the versions held in the two terminals and executing the communication system application program;
making a request for transmitting the communication system application program file of the version not held in either terminal, after execution of the communication system application program; and
transmitting the communication system application program file of the specified version to the terminal making the request. - View Dependent Claims (8)
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Specification