Patent ID: 8306194

Claim:
A method for reducing a cost of processing user data transmitted in the direction of a communication device, wherein a bidirectional connection between the communication device and a communication partner entity is established for a service, and wherein the service does not require the user data transmission to the communication device, the method comprising: transmitting user data from the communication partner to the communication device; discarding at least part of the user data; transmitting information from the communication device to the communication partner entity indicating a trouble-free transmission of the user data from the communication partner entity to the communication device, the information relating to a transmission quality of the user data transmitted from the communication partner entity to the communication device; wherein the user data is transmitted as a user data packet over a packet-oriented network in the direction of the communication device; wherein at least a part of a plurality of user data packets arriving at the communication device from the communication partner are filtered; wherein the filtered data packets are discarded; and wherein the filtering is based on a port address.