Data configuration system, data update system, and data configuration method

A data update system comprising:

• a provisioning server provided in each of the plurality of voice communication systems;
• and
• a remote configuration device for accessing the provisioning server of any one of the voice communication systems in order to update data on the accessed provisioning server, wherein
• an initial configuration server for specifying the provisioning server to which the remote configuration device should make an access is provided, and
• the remote configuration device accesses the initial configuration server at startup and accesses the provisioning server specified by the initial configuration server.

A data configuration method, wherein

• in a system comprising a terminal device having a storage unit for storing configuration data and first and second provisioning servers communicable with the terminal device over a network, the configuration data including fixed data and variable data,
• all the configuration data is stored in the first provisioning server,
• the fixed data is stored in the second provisioning server,
• the terminal device accesses the first provisioning server in an initial state in order to obtain all the configuration data so that the terminal device is made to be configured, and
• the configured terminal device accesses the second provisioning server in order to obtain the fixed configuration data.