Contents

 

User-Entered FAC and Extension

5-14

 

Preprogrammed FAC and Extension

5-14

Dial-Ahead Digits

5-14

ASAI-Requested Digit Collection

5-18

ASAI-ProvidedDial-Ahead Digits

5-19

6

Advanced Vector Routing

6-1

 

Introduction

6-1

 

Command Set

6-1

 

Expected Wait Time (EWT)

6-2

 

 

EWT for a Split

6-2

 

 

EWT for a Call

6-3

 

 

Passing EWT to a VRU

6-3

 

 

The EWT Algorithm

6-4

 

 

When to Use Wait Time Predictions

6-4

 

 

Examples

6-5

 

 

Example 1 — EWT Routing and Passing Wait

 

 

 

to a VRU

6-5

 

 

Example 2 — Not ifying Callers of Wait Time

 

 

 

Without a VRU

6-6

 

 

Example 3 — Using EWT to Ro ute to the

 

 

 

Best Split

6-8

 

 

Factors that Effect the Value of EWT

6-9

 

 

Factors that Cause EWT for a Split Priority Level

 

 

 

to Increase

6-9

 

 

Factors that Cause EWT for a Split Priority Level

 

 

 

to Decrease

6-9

 

Rolling Average Speed of Answer (ASA)

6-10

 

 

Rolling ASA Split Calculation

6-10

 

 

Rolling ASA VDN Calculation

6-11

 

 

Rolling ASA Considerations

6-11

 

 

Example

6-11

 

VDN Calls

6-12

 

 

Counted Calls

6-13

 

 

Example

6-13

vi Issue 4 September 1995

Page 5
Image 5
AT&T 555-230-520 manual Advanced Vector Routing