| 摘要 |
<p>A group call method, a system controller and a subscriber station (200) in a radio system comprising a plurality of base stations and subscriber stations (200). In order for a subscriber station (200) to be able to select (207, 208) the group call in which it will participate from among a plurality of group calls while participating in a first group call, group call data are transmitted to the subscriber station during the first group call, by means of which data the subscriber station (200) can engage (210) in another ongoing group call, whereby the subscriber station (200) continues to participate in the first group call or, if it desires, selects (207, 208) another group call from among the group calls whose group call data have been transmitted to the subscriber station (200) and whose group call identifiers are simultaneously displayed on the display of the subscriber station (200).</p> |
