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
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Chapter 11. Implementing SIP Services
The usual role of OpenSIPS is a SIP proxy. In this role, a SIP server—in most cases—can only route requests and replies between user agents. In this chapter, we will explain how to implement SIP services such as call forward and call transfer in this type of an environment. This chapter uses the best practices document RFC 5359, Session Initiation Protocol Service Examples, and assumes that endpoints and gateways support the required RFCs.
One important aspect regarding OpenSIPS is that it does not handle media or RTP. Thus, even simple services such as playing an announcement require an external media server. The most common media servers in use with OpenSIPS are Asterisk™, FreeSWITCH™, and SEMS. In this chapter, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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.