| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a system that performs push notification even for a mobile terminal having a push notification specification different from WS-Eventing by reducing the change of existing software on an image forming apparatus side as much as possible, while suppressing an increase in communication traffic.SOLUTION: In a provider 40, an event sink 51 receives an event message to update a state of a state storage unit 54; and a notification manager 84 creates, if device tokens are not included in the message, device tokens of records indicated by a state ID included in the event message and the ones coincide with a state type ID that is registered in a subscription table 83, and event messages including the state ID included in the event message and a pair of values related to the state ID, and transmits the device tokens and event messages to a push notification server 42.</p> |
