| 摘要 |
<p>A dial-up aural and visual communication system. A codec subsystem (2) is shared between a plurality of end users and connected between the end user's video equipment and a switch via which a telecommunications network (PSTN or private) can be accessed. Voice communications are connected via the switch in the usual manner. By sharing the codec between end users, costs and the amount of equipment, at, for example, and end user's desk, are minimised. <IMAGE></p> |
