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NDA-24305 CHAPTER 6
Page 271
Revision 1.0
CALL TRANSFER SUPPLEMENTARY SERVICE (SS-CT) WITH REROUTING
2. Rerouting Function
To prevent keeping a hold on the unnecessary line, the line from the calling party to the forwarded
destination is newly established when SS-CT service is successful. LCDs of stations concerned with this
service are shown below.
DISCONNECTED
NEWLY
ESTABLISHED LINK
Station A
(2001)
: IS-11572 or Q-SIG
Station B
(3001)
Station C
(4001)
CALL
Station A
(2001)
Station B
(3001)
Station C
(4001)
CALL
Station A
(2001)
Station B
(3001)
Station C
(4001)
TRANSFER
1) Station A originates a call to Station B. LCD display on Station A is “3001” and LCD display on Station B
is “TRANSFER” (D
term
Series E) or “XFR” (D
term
Series III).
3) As Station B is released from the connection, a new call is automatically originated from Station A
to Station C and the line used for Station A through Station C is reestablished.
LCD display on Station A is “4001” and “2001” is displayed on Station C's LCD.
2) Station B transfers the call to Station C and Station C answers the call.
LCD display on Station A is “3001”, LCD display on Station B is “TRANSFER” (D
term
Series E) or “XFR”
(D
term
Series III) and LCD display on Station C is “3001”.
Station A: Calling Party
Station B: Called Party (Forwarding Party)
Station C: Forwarded Party