Patent ID: 9729651
Date: 2017-08-08
CPC Classifications: H04L

Claim:
1. A method for delivering a push notification, comprising: receiving, by a push notification server, a push notification message from a push notification server application; sending, by the push notification server, the push notification message to a push notification client registered in association with the push notification server application; if the push notification message has not yet been sent, storing the push notification message in a transmission queue within the push notification server, and resending the push notification message stored in the transmission queue to the push notification client, or processing an update, expiration or cancellation for the push notification message; and changing a push delivery state of a push notification message, sending of which has failed, to a delivery failed state, and transferring an error message corresponding to results of the failed sending to the push notification server application, wherein the error message includes an error message code indicating a type of error, and wherein the error message further includes a control command field and an identification number field indicating a message in which an error has occurred.