Patent ID: 8996656
Filing Date: 2015-03-31
Classification: H04L

Abstract:
1. A method for transmitting a file from a transmitting terminal to a receiving terminals in a converged Internet Protocol (IP) messaging system comprising a transmitting terminal server and one or more receiving terminal servers, the method comprising: receiving a provisional list of target receiving terminals from the transmitting terminal, the target receiving terminals comprising a first receiving terminal and a second receiving terminal; verifying whether the transmitting terminal can transfer the file; inquiring each receiving terminal server corresponding to the target receiving terminals about whether to receive the file; verifying whether each of the target receiving terminals is able to receive the file according to wireless resources of each target receiving terminal or network conditions; inquiring the first receiving terminal about whether to receive the file if the first receiving terminal is able to receive the file, and inquiring the second receiving terminal about whether to receive the file if the second receiving terminal is able to receive the file; receiving a first reply to receive the file from the first receiving terminal through a first receiving terminal server corresponding to the first receiving terminal; creating a determined list of determined receiving terminals based on the first reply and the provisional list, the determined receiving terminals comprising the first receiving terminal; requesting, by the transmitting terminal server, the transmitting terminal to transfer the file to the transmitting terminal server if it is verified that the first receiving terminal is able to receive the file; receiving, by the transmitting terminal server, the file from the transmitting terminal; and transferring, by the transmitting terminal server, the file to the first receiving terminal.