Specifications

ISDN Software Reference for Linux and Windows
402
Figure 8 shows the invocation of TBCT with notification where one call is
answered and the other call is alerting.
Controller
Network User A User B
FACILITY
(Invoke)
User A and B connected
FACILITY
(Return reult:
Invoke: Transfers:
active transfers.
available transfers:
Invoke: Set Call Tab)
DISCONNECT
(CR = call #1)
RELEASE
RELEASE
COMPLETE
RELEASE
RELEASE
COMPLETE
NOTIFY
(Notification:
Transferred Call
Clearing:
Call Tag:
Notification:
Transfers:
active transfers,
available transfers)
NOTIFY
(call transfer active)
NOTIFY
(call transfer active)
Call transferred
.
.
.
Transferred Call Cleared
DISCONNECT
CONNECT
User A and B connected end-to-end
NOTIFY
(call transfer active)
Figure 8. TBCT Invocation with Notification
(Call 1 Answered/Call 2 Alerting)