What this book covers

Chapter 1, Routing Calls; getting calls from one endpoint to another is the primary function of FreeSWITCH. This chapter discusses techniques for efficiently routing calls between phones and service providers.

Chapter 2, Connecting Telephones and Service Providers; telephones and service providers have specific requirements for connecting to FreeSWITCH. This chapter will assist in quickly getting your FreeSWITCH server connected to other VoIP devices.

Chapter 3, Processing Call Detail Records; Call Detail Records, or CDRs, are very important for businesses. This chapter discusses a number of ways to extract CDR data from your FreeSWITCH server.

Chapter 4, External Control; FreeSWITCH can be controlled externally by the powerful and versatile event socket interface. This chapter presents a number of real-world examples of controlling FreeSWITCH from an external process.

Chapter 5, PBX Functionality; most telephone systems have common features like voicemail, conference calls, faxing, IVRs, and more. The final and largest chapter in the book, shows how to employ all of these features in a FreeSWITCH server.