Patent ID: 7447495

Claim:
A network comprising: a first client configured to use a first application to receive a message associated with a message type; a second client configured to use a second application to send a message associated with an event time and the message type to the first client; a presence server; and an application server configured to communicate with the first client and detect use of the first application by the first client, and after detecting use of the first application by the first client, send application presence data associated with the first client and the first application to the presence server, the presence server being configured to receive the application presence data associated with the first client and the first application from the application server, and store the application presence data in a recipient activity status record associated with the first client and the first application, the application server being configured to receive the message from the second client and evaluate the recipient activity status record associated with the first client and the first application to determine whether the first client is unavailable to receive the message before the event time associated with the message, and if the first client is unavailable to receive the message before the event time associated with the message, reroute the message.