| 摘要 |
<p>A method, a base station (TA1, TA2) for a mobile telephone system and mobile exchange (1) for assigning in a mobile exchange (1) speech items requested by subscribers (A, B, C, D) belonging to the same group call group substantially simultaneously through interfaces to the mobile exchange (1), in which method a subscriber (A, B, C, D) belonging to a group call group and wishing to speak requests a speech item through an interface to the mobile exchange. To avoid problems caused by concurrent requests for a speech transmission turn from two subscribers, the following steps are taken: upon detection of a request for a speech item (101) from a subscriber (A, B, C, D), priority data (B', C') specific to the request for a speech item and including a priority is generated, and the mobile exchange (1) switches the speech signal transmitted by that subscriber whose request for a speech item has priority data (B') of the highest priority for the other subscribers to hear.</p> |
