Patent AT-E400952-T1: [Translated] ßPUSHBACKß METHOD AND DEVICE FOR USE IN MESSAGE TRANSMISSION TO MOBILE TERMINALS

A method for use by a relay network which serves a plurality of host servers, the method comprising the acts of receiving, at the relay network via a public or private network, a message from a host server for delivery to a mobile communication device through a wireless communication network; causing, by the relay network , a result message to be sent to the host server via the public or private network in response to the mobile communication device being unavailable to receive the message through the wireless communication network, the result message comprising a message identifier which uniquely corresponds to the message; receiving, at the relay network via the public or private network, a confirmation message from the host server which indicates that the result message was received by the host server; and clearing the message from memory of the relay network in response to receiving the confirmation message, so as to refrain from maintaining storage of the message in the relay network.