Lucent Technologies Release 3 Version 8 User Manual

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Introduction 
CentreVu® CMS R3V8 Database Items and Calculations
How Database Items and Calculations Are Presented
1-4
Call-Based Data
1
In addition to the types of data described above, items in the 
CentreVu 
CMS database can be either call-based or interval-based. Most 
CentreVu 
CMS database items are call-based. Call-based data is committed to the 
database after a call completes. Therefore, if a call starts and ends in 
different collection intervals, all of the data is recorded in the interval in 
which the call and any after call work is completed.
Interval-Based Data
1
Interval-based data represents the amount of time during a collection 
interval spent doing a particular activity. Interval-based items are updated 
throughout the collection interval and timing is restarted at the end of the 
interval. Most interval-based items start with I_ or TI_. The database 
items ALLINUSETIME (trunk-group tables) and MBUSYTIME (trunk and 
trunk-group tables) are also interval-based.
Interval-based items should only be used to calculate percentages such 
as percentage of time staffed or in AUX work. Interval-based items 
should not be used; for example, to calculate average talk time; use call-
based items for this type of calculation. Furthermore, because call-based 
and interval-based items may not track the same events, a calculation 
should use only one type of item and comparisons of call-based 
calculations and interval-based calculations may not be relevant or 
meaningful. For example, the call-based ACD time and interval-based 
ACD time for an agent will not be equal if the agent handled one or more 
ACD calls that crossed over interval boundaries.
Report data may not add up if the report has a combination of call-based 
and interval-based items.
Sample Switch 
Cross-Reference 
Table
1
CentreVu CMS database items apply to specific switches. After each 
database item table, is a switch cross-reference table. The switch cross-
reference tables list each database item by switch release. Below is an 
example of how the table information is presented:
NOTE:
Database Item
G3V2/
G3V3
G3V4
DEFINITY® 
ECS R5
ECS R6
ECS R7
ECS R8
DATABASE 
ITEM
X
X
X
X
Switch releases that this database item applies to are marked with X’s.