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NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 161
Call Forwarding Supplementary Service (SS-CF) with Rerouting C-158
Service Conditions (cont’d)
5. When the selected route for forwarding a call (from the called station to the forwarded-to station) is other
than Q-SIG line, Call Forwarding service is activated without rerouting function. See the figure below.
6. When there is no route that supports Q-SIG protocol in the route selection data from a calling party to a
called station, Call Forwarding service is activated without rerouting function.
In this case, rerouting function is not activated.
Station A calls Station B, which is set C.F. service to Station C.
The call is forwarded to Station C using the protocol other than Q-SIG.
81
Station A
(2000)
Station B (3000)
82
Station C
(4000)
Q-SIG ACIS/CCIS
83
In this example, since the Q-SIG line cannot be selected for a route from Station A (calling station) to
Station C (forwarded-to station), rerouting function is not activated even if RT1 or RT2 is idle.
Station B
3000 4000
Station C
RT2
RT1
81
Station A
1000
81 84
82 83
CCIS
ACIS
: Q-SIG
: ACIS/CCIS
C.F. to Station C