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NDA-24305 CHAPTER 6
Page 263
Revision 1.0
CALL FORWARDING SUPPLEMENTARY SERVICE (SS-CF) WITH REROUTING
6. When there is no route that supports Q-SIG, IS-11572 protocol in the route selection data from a calling
party to a called station, Call Forwarding service is activated without rerouting function.
In this example, since the Q-SIG, IS-11572 line cannot be selected for a route from Station A (calling
station) to Station C (forwarded station), rerouting function is not activated even if RT1 or RT2 is idle.
: Q-SIG/IS-11572
: ACIS/CCIS
Station B
C.F. to Station C
3000
82
Station A
1000
81
RT2
RT1
Station C
4000
83
84
CCIS
ACIS