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Call Scenarios and Applications
A-24 Issue 7 March 1998
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).