User guide
Reference
185
Reference
Ext Ext Ext N/A
Call Rings First Extension
Cyclic Ring Timer Expires; Call moves to
Second Extension
Cyclic Ring Timer Expires; Call moves to
Third Extension
Cyclic Ring Timer Expires; Call goes to
attendant (backstop).
Ext Mov Ext N/A
Call Rings first Extension
Cyclic Ring Timer Expires; Call moves to First
member of moving group.
Cyclic Ring Timer Expires; Call moves to Next
element in the moving group This repeats until
the last element in the group is found.
Cyclic Ring Timer Expires; Call rings All
members of the Group
Cyclic Ring Timer Expires; Call rings second
extension
Cyclic Ring Timer Expires; Call Rings
attendant (backstop).
MovExt MovN/A
Call rings first element of first moving group
Cyclic Ring Timer Expires; Call moves to Next
element in the moving group This repeats until
the last element in the group is found.
Cyclic Ring Timer Expires; Call Rings All
members of Group
Cyclic Ring Timer Expires; Call moves to
Extension
Cyclic Ring Timer Expires; Call moves to first
element of second moving group.
Cyclic Ring Timer Expires; Call moves to Next
element in the moving group This repeats until
the last element in the group is found.
Cyclic Ring Timer Expires; Call Rings All
members of Group
Cyclic Ring Timer Expires; Call Rings
attendant (backstop).
Table 18: Cyclic ring map operation (continued)
Cyclic ring map operation for
DID (NA) and non-DDI only lines (UK)
Entry 1 Entry 2 Entry 3 Overflow Call progression
3100 Hand.bk Page 185 Monday, August 19, 2002 8:49 PM










