| 摘要 |
<p>An interface circuit (400) for use with a radiotelephone communications system (500) in which the interface circuit (400) is adapted to interface a trunk circuit (305) serving a telephone switching system (200) with a radiotelephone (201A) of the system using the trunk circuit supervision and signaling so that the switching system (200) and trunk circuit (305) have direct access to the radiotelephone system (500).</p> |
