Chapter 16. VoIP Vendors and Services
Telephony software is everywhere, and a majority of it is free. Much of it is open source. It's a good idea to experiment with as much of this stuff as you can, because the VoIP family of technologies is evolving continuously. The capabilities and efficiency of these tools rise daily.
Whether you use Linux, Solaris, Windows, or Macintosh, plenty of fully developed softphones, servers, troubleshooting tools, APIs, and sample code are available. What follows is a partial list of some excellent VoIP software and service providers. Many of them have been used in projects throughout this book.
We'll also briefly cover the growing list of vendors that manufacture modular and turnkey telephony hardware.