July 2011
Intermediate to advanced
1240 pages
37h 23m
French
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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.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.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.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.
Annexe V30. TolP et IPTV
Cette annexe détaille la téléphonie sur ATM et le relais de trames. En particulier, elle se penche sur la technologie AAL2, utilisée sur le RAN (Radio Accès Network) de l’UMTS, et examine l’évolution des PABX et l’intégration téléphonie-informatique.
La téléphonie sur ATM et le relais de trames
La technique de transfert ATM a été conçue pour transporter de la parole téléphonique de type G.711 à 64 Kbit/s. La raison de la petite taille de la cellule se trouve dans cette fonctionnalité. Les 48 octets de données de la trame sont remplis en 48 fois 125 μs, c’est-à-dire 6 ms, ce qui reste acceptable, même lorsqu’il y a des échos et que le temps de transit doit rester inférieur à 28 ms. Si la parole téléphonique est compressée ...
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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.