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FreeSWITCH Cookbook by Raymond Chandler, Darren Schreiber, Michael S Collins, Anthony Minessale

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Chapter 1. Routing Calls

In this chapter, we will discuss routing calls in various scenarios:

  • Internal calls
  • Incoming DID 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 To: headers on registered endpoints to reflect DID numbers

Introduction

Routing calls is at the core of any FreeSWITCH server. There are many techniques for accomplishing the surprisingly complex task of connecting one phone to another. However, it is important to make sure that you have the basic tools necessary to complete this task.

The most basic component of routing calls is the dialplan, which is essentially a list of ...

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