»Ê¹ÚÌåÓýapp

»Ê¹ÚÌåÓýappse networks offer an extensive range of services, but they basically act as electronic post offices for the transfer of data between trading partners. »Ê¹ÚÌåÓýapp sender transmits his data into his VANS post box and the VANS service checks the destination address of the data, and then transfers it into a VANS mailbox for collection by the recipient. This type of service tends to be used by larger traders but is not exclusive to them.