Call Scenarios and Applications
PIN, etc.). The VRU remains in the call. The call is placed through ASAI, the conference takes place and now the VRU must send the secure information to the far end. At this point, Selective Listening (third party selective_disconnect) is invoked to disconnnect the caller from all other parties in the call. At the same time, it may be necessary for the VRU to “listen” to the far end (but not the caller) for special signals. If that is the case, Selective Listening (third party selective_ disconnect) is invoked to disconnect the VRU from the caller. After the VRU transmits the information, all connections are returned to normal (third party selective_reconnect is invoked).
