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CHAPTER 6 NDA-24305
Page 270
Revision 1.0
CALL TRANSFER SUPPLEMENTARY SERVICE (SS-CT) WITH REROUTING
C-159 CALL TRANSFER SUPPLEMENTARY SERVICE (SS-CT) WITH REROUTING
1. General Description
This feature provides CALL TRANSFER activated to be followed by IS-13869/ETS 300 260 protocol (SS-CT).
By using this feature, the station can hold the handling call to transfer to the remote terminal. Also, rerouting
function is activated with SS-CT service.
The functions of this feature are as follows.
1. Call Transfer-Supplementary Service
Example) Station A: Calling Party
Station B: Called Party (Forwarding Party)
Station C: Forwarded Party
(a) When the intermediate party is disconnected after the forwarded party answers the call.
(1) Station B holds a call from Station A.
(2) Station B calls to Station C and Station C answers the call.
(3) Station A connects to Station B as Station B is disconnected
(b) When the intermediate party disconnects before the forwarded party answers the call (BLIND
TRANSFER)
(1) Station B holds a call from Station A.
(2) Station B places a call to Station C
(3) Station B disconnects and the tone that Station A receives changes from the hold tone to the ring
back tone.
(4) Station A connects with Station C.