上QQ阅读APP看书，第一时间看更新
Chapter 1. Call Routing, Dial Plan, and E.164
In chapter 1 we dive straight into the dial plan with recipes on E.164 globalization, call routing, and call restrictions. We will cover:
- Implementing local route groups with device pools for E.164 call routing
- Implementing E.164 route patterns and partitions
- Implementing E.164 called and calling party transformations
- Implementing least cost call routing using Tail End Hop Off
- Implementing call restrictions with line blocking patterns and calling search spaces
- Implementing short dial numbers
- Implementing time-of-day call routing
- Implementing Forced Authorization Codes
- Implementing Client Matter Codes