Patent ID: 8903387
Filing Date: 2014-12-02
Classification: H04L,H04W

Abstract:
1. A method comprising: receiving, by a server and from a first user device, a first identifier, a first value of a second identifier, and a first instruction to register the first value of the second identifier with the first identifier and with the first user device; determining, by the server, whether the first value of the second identifier is available for registration; registering, by the server, the first value of the second identifier with the first identifier and with the first user device based on determining that the first value of the second identifier is available for registration, receiving, by the server and from the first user device, a first subscription request to receive information regarding one or more available second values of the second identifier associated with the first identifier, based on registering the first value of the second identifier with the first identifier and with the first user device; providing, by the server and to the first user device, a notification of a first registration event based on receiving the subscription request, receiving, by the server and from the first user device, a second instruction, registering, by the server, the first one of the available second values of the second identifier with the first identifier and with the first user device based on receiving the second instruction; receiving, by the server and from the first user device, a third instruction, unregistering, by the server, the first value of the second identifier with the first identifier and with the first user device based on receiving the third instruction; and storing, by the first server, information indicating that the first value of the second identifier is not registered with the first identifier or with the first user device.