October 2014
Intermediate to advanced
382 pages
8h 27m
English
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The service logic
Just as explained in the previous chapter, the service logic execution for various services such as conferencing, Virtual Private Network (VPN), announcements, and other services applicable to PSTN systems, can be scripted in IN Service Control Point (SCP) or IMS SIP Application Server, or both. We will discuss these three approaches in brief here.
SIP service logic through application server
When the SIP call control logic is defined in the form of the SIP Servlet or the JAIN-SLEE program or, in a similar way, it is loaded and deployed onto the SIP application Server; the SCSCF consults the SIP application server for every call. The following diagram shows the IMS-to-PSTN connectivity using the Application Server call control: ...
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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.
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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.