Chapter 1. Routing Calls
In this chapter, we will discuss routing calls in various scenarios, as follows:
- Internal calls
- Incoming DID (also known as DDI) calls
- Outgoing calls
- Ringing multiple endpoints simultaneously
- Ringing multiple endpoints sequentially (simple failover)
- Advanced multiple endpoint calling with enterprise originate
- Time-of-day routing
- Manipulating SIP To: headers on registered endpoints to reflect DID numbers