| 摘要 |
<p>A method and system for client/server data exchange. The transmission and reception of Protocol Data Units (PDU's) over a data communications network comprises the steps of receiving a PDU for transmission, encoding the PDU into a number of alphanumeric data packets, such that each data packet is less than a predetermined size, associating an address frame with the or each data packet, the address frame including the destination of the or each data packet and, transmitting the or each data packet. The data packets are preferably transmitted by SMS or Cell Broadcast.</p> |
