Figure 2 shows the interactive scenario, where in order to
get user interact with the cellular operator is necessary that
subscriber SIM Card has a specific configuration, both for the
recognition of CB messages as to the answers that the user
makes, in this case, through of SMSC (Short Message Service
Center).
The parameters that must be configured in SIM card are:
• CB RF channel, the service messages must be sent by a
specific RF channel.
• Account number of CB Service in SMSC platform, when
a user answers to a CB message through the SMSC, the
application on the SIM Card must indicate the type of
service and make the identification that CB platform has