Courier companies need a program to track customers who request a delivery, details about the package and who will take the package to the recipient. A transport letter number (CMR) is attached to each transport. Often more packages (CMRs) are collected in a larger package and transported by a common snail. The software application designed by Total Technologies® facilitates the operations resulting from this type of consolidation and allows customers to track the status of the shipment through a web interface. Track and trace is the term used to obtain information on the status of a delivery. The application also allows very fast transmission of "Proof of delivery", the agent requesting the client's signature at the destination; it signs on the touchscreen screen of a mobile terminal and the document is sent to the office instantly via mobile data services.