| 摘要 |
<p>A two-way telecommunications system comprises a primary station (10, 14, 16) and a secondary station (18, 20). The primary station comprises means for transmitting on a downlink a data message together with indicia representative of status messages it wants to receive from the secondary station and transmitted on an uplink. The secondary station in response to said indicia represents the desired status items as icons and when the user has taken an action affecting the status, it transmits a status message on the uplink and changes the representation of the icon. The icons are stored with the message until the latter is erased.</p> |
