June 2005
Intermediate to advanced
502 pages
21h 48m
English
Content preview from Switching to VoIP
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.
This is the Title of the Book, eMatter Edition
Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved.
458 | Index
convenience of VoIP rollout, 173
conventions used in this book, xviii
convergence, network, 7, 31
conversations, 12
copper cabling, 77
COPS (Common Open Policy Service), 198
core of network, 28
CoS (Class of Service), 196, 446
802.1p standard for, 196
compared to QoS, 192
DiffServ standard and, 197–200
prequalification, 300
ToS and, 196
VLAN trunks and, 205
Cosmocom, 380
cost
budget problems, 367
of overcapacity, 191
of PSTN, 6
of VoIP, 8, 168–173
WAN layout and, 311
country codes, 65
CP (customer premises) distribution
frames, 69
CPE (customer premises equipment), 68–70
credentials for access control, 224
crypto command, Cisco, 298
Crypto commands, Asterisk CLI, 428
CTI (computer telephony integration)
applications, 57, 107
curly brackets ({...}), referencing
variables, 387
custom local area calling services
(CLAS), 101
customer premises (CP) distribution
frames, 69
customer premises equipment (CPE), 68–70
Cut command, Asterisk, 396
D
D channel, 76
DAC (digital-to-analog conversion), 111
data closet, 69
data link layer, OSI model, 15
DATABASE DEL command, AGI, 439
database del command, Asterisk CLI, 427
DATABASE DELTREE command, AGI, 439
database deltree command, Asterisk
CLI, 427
DATABASE GET command, AGI, 439
database get command, Asterisk CLI, 427
DATABASE PUT command, AGI, 439
database put command, Asterisk ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.