User guide

Technician’s Handbook
216
Ext Ext Ext N/A All Three Extensions will ring. Call will never
go to the attendant (backstop).
Ext Mov Ext N/A Call rings both Extensions and the first
element of the moving group.
Cyclic Ring Timer Expires; Both extensions
continue to Ring while next element of the
moving group starts to ring. This continues
until the last element of the group rings.
Cyclic Ring Timer Expires; Both Extensions
ring as well as all the elements of the group.
Cyclic Ring Timer Expires; Call moves to
attendant (backstop).
Mov Ext Mov N/A The first extension of both groups and the
single extension ring.
Cyclic Ring Timer Expires; Single Extension
continues to ring and next element of Groups
ring. This continues till last member of
Groups ring. (NOTE IF groups are different
size the smaller Group will wait at the ring all
state until the larger group completes its
cycle)
Cyclic Ring Timer Expires; Single Extension
and All elements of both Groups Ring.
Cyclic Ring Timer Expires Call moves to
(attendant) backstop.
Mov Stan Mov N/A The first element of both Moving Groups and
All members of the Standard Group Ring.
Cyclic Ring Timer Expires; Standard Group
Continues to Ring. Moving Groups move to
next element; This continues till the last
element is rung
Cyclic Ring Timers Expires; All elements of
All Groups Ring.
Cyclic Ring Timer Expires; Call moves to
attendant (backstop).
Table 22: Standard ring map operation (continued)
Standard ringmap operation for
DID (NA) and non-DDI only lines (UK)
Entry 1 Entry 2 Entry 3 Overflow Call progression
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