The IN uses the SS7 signaling protocol in which voice calls (or modem data) travel through circuit-switched voice switches, while control signals travel over an SS7 packet-switched network. See SS7 and converged network.
![]() | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- It's public versus private in dispute over electronics recycling laws
- It's public sector vs. private industry in dispute over local and state e-waste recycling laws. by Heather Clancy
- Blog posts 2009-11-06
- Lexus LF-A, live in the matte black flesh
- The Lexus LF-A was on display at the 2009 SEMA Show. It looks even better in the matte black finish that Lexus chose to coat it with. by CNET News.com
- Image galleries 2009-11-05
- Another advance in energy-efficient monitors from NEC
- NEC Display cuts another 42 percent in power consumption with latest Windows 7-ready, 17-inch MultiSync model. by Heather Clancy
- Blog posts 2009-11-05
- Courier user interface in-depth -- photos
- This document published by Gizmodo explains Courier's interface, gestures, and features more in-depth than ever before. by CNET News.com
- Image galleries 2009-11-04
- HTC HD2 coming to major US carrier in early 2010
- I know the latest smartphone market share data shows both Windows Mobile and HTC down over the last year, but there is one HTC Windows Mobile device that has me quite excited and if it comes to the US with support for T-Mobile then I will buy it. HTC today...
- Blog posts 2009-11-04
- Aya All in One Pack 1.3.6 (Windows)
- Aya All in One Pack includes five products: Aya Video Converter Pro, Aya Video Splitter, Aya Audio Converter, Aya Mobile Ringtone Converter, Aya Photo SlideShow Creator. You can convert, split, cut video and audio from one format to another format, extract audio from video, make mobile ringtones from video or...
- Software downloads 2009-11-04
- Second Motorola Droid ad lands: 'What in the world is that?'
- The second Verizon advertisement for the Motorola Droid smartphone has landed, and it's a full minute of cinematic storytelling in the form of vaguely apocalyptic imagery. by Andrew Nusca
- Blog posts 2009-11-03
- Survey: Virtualization and physical infrastructures need to be managed in tandem
- Virtualization is seen as a key enabling technology. But on its own it does not address the most important operational and management challenges in a shared infrastructure. by Dana Gardner
- Blog posts 2009-11-03
- MFPs Continue to Lead the Way in the Worldwide Hardcopy Peripherals Market
- The good folks at International Data Corporation IDC continue to feed the Doc's insatiable habit for info on what's going on in the document world. This time the massive data machine from Framingham has a report out on what sort of printers are selling best. Seems not as many of...
- Sponsored content 2009-11-03
- Lenovo all-in-one ThinkCentre PC aims for business; starts $499
- Lenovo on Monday introduced its first ThinkCentre all-in-one desktop PC made for business, packing Intel Core 2 Duo processors, Windows 7 and a $499 price tag. by Andrew Nusca
- Blog posts 2009-11-03
- You'll be far better off in a future without enterprise software
- All the enterprise software that could be sold has been sold, and the reasons for buying or implementing new licenses are few and far between. Invest in enterprise architecture over enterprise software, services over customizations, and clouds over costly and unpredictable infrastructure -- and you’ll be better off. by Dana...
- Blog posts 2009-11-03
- Making Apple's Magic Mouse and Wireless Keyboard work in Windows
- A recent Apple Support Note says that "certain features" on the new Magic Mouse and the Apple Wireless keyboard are having trouble in Windows on Boot Camp. A fix was posted for downloading late last week. by David Morgenstern
- Blog posts 2009-11-01
- HP Officejet J4550 All-in-One - multifunction ( fax / copier / printer / scanner ) ( color )
- HorribleI bought this on discount at Sam's Club, always hearing how wonderful HP printers are. I don't particularly care for their computers anyway, but I said 'what the hell' and just bought it.I've owned this for around a year and have already had to exchange it once because the scanner...
- Discussion threads 2009-10-31
- Report: VoIP sales top $20 billion in first half; more growth to come
- A market research report found that VoIP services worldwide topped $20 billion in the first half of the year and were set for even more growth, as recession-plagued customers turn to VoIP to save money. by Sam Diaz
- Blog posts 2009-10-30
- What should open source do in a car?
- What should open source be doing in a car? What would you do that Sync isn't doing now? How should an open source community focused on automotive features be managed? And what features should be off-limits to the open source community? by Dana Blankenhorn
- Blog posts 2009-10-30
- McAfee vs. Symantec: Dueling in consumer and enterprise
- The most recent quarterly reports from McAfee and Symantec highlight some trench warfare in both the enterprise and consumer markets. by Larry Dignan
- Blog posts 2009-10-30
- In recession, VoIP makes strong case for cutting your home landline
- In a recession, consumers are more than ever rethinking the expense of a home phone, mobile cellular service...or both. Why not give VoIP a try? by Andrew Nusca
- Blog posts 2009-10-30
- The 10 biggest failures in IT history
- We've debated the highlights of IT history. Now it's time to consider a few good ideas that went wrong - or that may have been ill-advised to begin with.This download is also available as an entry in our 10 Things blog.
- Download resources 2009-10-30
- Microsoft's lawyers will be busy in the next few months
- Bleed 'em Dry.Got to love the blood sucking lawyers. I just hope MS's legal team bleeds them dry.Very sound legal analysis of the merits of each case. ntntJust the cost of being in business.What a wonderful world...I know there are a few honest lawyersout there somewhere (anybody seen one...
- Discussion threads 2009-10-29
- Separating core from context brings high returns in legacy application transformation
- A widening cost and productivity division exists between older, hand-coded software assets and replacement technologies on newer, more efficient standards-based systems. Somewhere in the mix, there are also core legacy assets distinct from so-called contextal assets. There is legacy wheat and legacy chaff. by Dana Gardner
- Blog posts 2009-10-29
Neighboring Terms
Premier Vendor Content Whitepapers, webcasts & resources from our Power Center Sponsors
SmartPlanet
- Thought-provoking progressive ideas on diverse topics that intersect with technology, business, and life, and matter to the world at large. Visit SmartPlanet
- More from IBM
- Can your business work smarter? Learn more about Lotus Symphony
- Learn how to work smarter and optimize cost using the IBM Smart SOA approach Download the eBook
- Smarter ways to make smarter products Read the brief from IBM



