
Call Scenarios and Applications
VRU-assisted Transaction using Selective
Listening
Caller C | VRU V | ECS | Adjunct Processor |
Application has previously set up a 3rd Party Controlled Conference Call with parties C, V, and D
Caller can no longer hear VRU or
VRU cannot hear caller
VRU transmits information
to far end
(Info not hear by caller)
Adjunct Requests
Selective Listen
Disconnect of the Caller
from all parties
3rd Party Selective Listen Disconnect (party=C, no other party specified
3rd Party Selective Listening
Disconnect ACK
Adjunct Requests
Selective Listen Disconnect
of VRU from Caller
3rd Party Selective Listen
Disconnect
(party=V, party=C)
3rd Party Selective Listen
Adjunct Requests
Selective Listen
Reconnect of Caller
to all parties on call
3rd Party Selective Listen
Reconnect
(party=C, no other party specified)
3rd Party Selective Listen
Adjunct Requests
Selective Listen
Reconnect of VRU
to Called
3rd Party Selective Listen
Reconnect
(party=V, party=C)
3rd Party Selective Listen
All parties can now hear all other parties on the call
In this scenario, an incoming call is answered by a VRU (under ASAI control). After initial interaction between the caller and the VRU, the caller must be connected to a far end destination requiring secure access (user ID, password,
Issue 7 March 1998