Kyzen Nicole L. Culing BSEE3105 Fundamentals of Electronics Communication Basic Telecommunication System The transmission mode of smartphones to exchange information is a full duplex mode where two people from two different lines are able to send pictures simultaneously. Addressing help smartphones to identify its unique address using series of phone numbers by which it can be located over the network which is then followed by steering the data to its desired destination system. As mentioned above, 3G to 5G can be used to send the image successfully. Recently developed technology offers faster speed and more capacity and connectivity for larger number of devices to send data and information that is why it is more applicable to be used in this kind of transmission process.