| 摘要 |
<p>An apparatus for use in a telephone network (250) having a calling station connectable to a first switch (252) means and a called station connectable to a second switch (254) means, with the first and second switch means being connectable by a link (257). The apparatus comprises an interface having a passive in-line monitor connected in the link for detecting entry of a predetermined service access code by a user of the calling station (258) or a user of the called station (259) after call completion between the calling station and the called station and before either of said users goes on-hook. Upon entry of predetermined service access code, a speech circuit issue a predetermined prompt to the user of the calling station and/or the user of the called station. Processor control (266) circuitry is then responsive to entry of predetermined signaling by one of the users following the issuance of the prompt for providing a predetermined service controlled and paid for by the user requesting the predetermined service.</p> |
