Call Scenarios and Applications

VRU-assisted Transaction using Selective

Listening

Caller C

VRU V

Far-End Dest D

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 Far-End Destination

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

Disconnect-ACK

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 Reconnect-ACK

Adjunct Requests

Selective Listen

Reconnect of VRU

to Called

3rd Party Selective Listen

Reconnect

(party=V, party=C)

3rd Party Selective Listen Reconnect-ACK

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 A-23

Page 403
Image 403
Lucent Technologies 555-230-220 manual VRU-assisted Transaction using Selective Listening