January 2016
Intermediate to advanced
384 pages
8h 6m
English
book
Building Telephony Systems with OpenSIPS - Second Edition
by Flavio E. Goncalves, Flavio E Goncalves, Bogdan-Andrei Iancu
Content preview from Building Telephony Systems with OpenSIPS - Second Edition
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Chapter 7. Dialplan and Routing
In the previous chapter, you learned how to use OpenSIPS to route calls between SIP users, provision such users, and authenticate them using a database backend. However, you still cannot send calls to ordinary phones because you are not connected to the Public Switched Telephone Network (PSTN). The challenge now is to route calls from and to the PSTN, as shown in the following figure:
This PSTN interconnection comes with special needs such as advanced number matching and manipulation (dialplans), IP-based authentication, and dynamic routing (based on the prefix, priority, location, or time of day).
Unless you have ...
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I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.