Patent ID: 8516061
Filing Date: 2013-08-20
Classification: H04L

Abstract:
1. A spam control method for a user equipment capable of receiving a Voice over Internet Protocol (VoIP) service, the method comprising: obtaining at least one IP address corresponding to a target domain name; creating a whitelist for spam control using the target domain name and obtained IP address; performing, when a message is received, spam control by determining whether the received message is a spam message based on the whitelist; transmitting, after creating the whitelist, a registration request message to a target domain recorded on the whitelist to register the user equipment with the target domain; maintaining, when a response message corresponding to the registration request message is received, the domain name and an associated IP address of the target domain on the whitelist; and removing, when a response message corresponding to the registration request message is not received, the domain name and the associated IP address of the target domain from the whitelist.