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Improving Performance
M-4 Issue 4 September 1995
Table M-2 compares the relative processing cost of the three examples by
looking at the approximate number of vector steps executed while processing
the call. Assumption is that the first announcement is 3 seconds long and the
second announcement is 4 seconds long.
When a call is queued for 5 minutes, the amount of vector steps drops
dramatically when the amount of time between announcements is increased
(Figure M-2), and drops even more when a second announcement is added, and
the amount of time between announcements is increased again (Figure M-3).
When an agent in split 1 is immediately available to answer the call, there is no
difference in the amount of vector steps for the three examples.
Lookahead Interflow
Recommendation: Add a wait period between successive lookahead interflow
attempts and make the waiting period as long as feasible.
The example in Figure M-4 continuously attempts a lookahead interflow as long
as the call is in queue or until a lookahead attempt succeeds.
Figure M-4. Example Vector
Table M-1. Approximate Number of Vector Steps Executed
for the Audible Feedback Examples
Example in
Figure M-1
Example in
Figure M-2
Example in
Figure M-3
when a agent is available in
split 1
111
queueing time of 5 minutes 70 15 9
1. queue-to main split 1 pri l
2. announcement 3000
3. wait-time 20 seconds hearing music
4. route-to number 93035555555 cov n if unconditionally
5. goto step 4 if unconditionally