Group messaging system

Abstract

A data processing method performed in a group messaging server of a mobile telecommunications network, the method comprising the steps of receiving an incoming message at the group messaging server from a remote user terminal, the message being for distribution to a group of users; storing details of the incoming message in a messaging log, the details comprising a message identifier received with the incoming message; identifying at least one recipient from the group of users to which the incoming message should be transmitted; transmitting an outgoing message to each of the at least one recipient, wherein the outgoing message comprises at least part of the incoming message and the message identifier; storing details of each outgoing message in the message log, the details comprising the message identifier; and processing the message log to identify groups of messages, wherein the groups of messages are identified by having a common message identifier, and generating charging data based on the groups of messages.

Dependencies are inferred from the claim text.