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The Telecom Digest for July 14, 2010
Volume 29 : Issue 190 : "text" Format

Messages in this Issue:
Mobile subscriptions hit 5 billion mark(Monty Solomon)
Consumer Reports confirms iPhone 4 antenna design flaw(Thad Floryan)
iTunes password caching(Monty Solomon)
Re: Are hybrids still used?(hancock4)
Re: I before E(Randall)

====== 28 years of TELECOM Digest -- Founded August 21, 1981 ====== Telecom and VOIP (Voice over Internet Protocol) Digest for the Internet. All contents here are copyrighted by Patrick Townson and the individual writers/correspondents. Articles may be used in other journals or newsgroups, provided the writer's name and the Digest are included in the fair use quote. By using -any name or email address- included herein for -any- reason other than responding to an article herein, you agree to pay a hundred dollars to the recipients of the email. =========================== Addresses herein are not to be added to any mailing list, nor to be sold or given away without explicit written consent. Chain letters, viruses, porn, spam, and miscellaneous junk are definitely unwelcome. We must fight spam for the same reason we fight crime: not because we are naive enough to believe that we will ever stamp it out, but because we do not want the kind of world that results when no one stands against crime. Geoffrey Welsh =========================== See the bottom of this issue for subscription and archive details and the name of our lawyer, and other stuff of interest.
Date: Mon, 12 Jul 2010 08:11:24 -0400 From: Monty Solomon <monty@roscom.com> To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org. Subject: Mobile subscriptions hit 5 billion mark Message-ID: <p06240817c860714e08bc@[]> Mobile subscriptions hit 5 billion mark JULY 9, 2010, 10:29 (CEST) * 2 million additions per day * More than 500 million 3G subscriptions * 50 billion connected devices by 2020 This week marked yet another milestone in the internet becoming mobile when the 5 billionth mobile subscription added to the count, largely thanks to emerging markets like India and China. According to Ericsson (NASDAQ:ERIC) estimates based on industry information, the 5 billionth subscription was added Thursday, July 8. In the year 2000, about 720 million people had mobile subscriptions, less than the amount of users China alone has today. Mobile broadband subscriptions are growing at similar pace and are expected to amount to more than 3.4 billion by 2015 (from 360 million in 2009). Studies show that soon 80 percent of all people accessing the internet will be doing so using their mobile device. ... http://www.ericsson.com/thecompany/press/releases/2010/07/1430616
Date: Mon, 12 Jul 2010 16:57:46 -0700 From: Thad Floryan <thad@thadlabs.com> To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org. Subject: Consumer Reports confirms iPhone 4 antenna design flaw Message-ID: <4C3BABFA.2020209@thadlabs.com> Lab tests: Why Consumer Reports can't recommend the iPhone 4 July 12, 2010 Full article and video here: <http://blogs.consumerreports.org/electronics/2010/07/apple-iphone-4-antenna- issue-iphone4-problems-dropped-calls-lab-test-confirmed-problem-issues-signal -strength-att-network-gsm.html> another full article and video here: http://www.sfgate.com/cgi-bin/blogs/techchron/detail?entry_id=67654 " It's official. Consumer Reports' engineers have just completed testing the " iPhone 4, and have confirmed that there is a problem with its reception. " When your finger or hand touches a spot on the phone's lower left side, an " easy thing, especially for lefties, the signal can significantly degrade " enough to cause you to lose your connection altogether if you're in an area " with a weak signal. Due to this problem, we can't recommend the iPhone 4. " " We reached this conclusion after testing all three of our iPhone 4s " (purchased at three separate retailers in the New York area) in the " controlled environment of CU's radio frequency (RF) isolation chamber. In " this room, which is impervious to outside radio signals, our test engineers " connected the phones to our base-station emulator, a device that simulates " carrier cell towers (see video: IPhone 4 Design Defect Confirmed). We also " tested several other AT&T phones the same way, including the iPhone 3G S " and the Palm Pre. None of those phones had the signal-loss problems of the " iPhone 4. " " Our findings call into question the recent claim by Apple that the iPhone " 4's signal-strength issues were largely an optical illusion caused by " faulty software that "mistakenly displays 2 more bars than it should for a " given signal strength." " " The tests also indicate that AT&T's network might not be the primary " suspect in the iPhone 4's much-reported signal woes. We did, however, find " an affordable solution for suffering iPhone 4 users: Cover the antenna gap " with a piece of duct tape or another thick, non-conductive material. It may " not be pretty, but it works. We also expect that using a case would remedy " the problem. We'll test a few cases this week and report back. And the two Apple RFPs for PhD-level RF and antenna designers that appeared within 24 hours of the iPhone 4 hitting the streets are still open: <http://jobs.apple.com/index.ajs?BID=1&method=mExternal.showJob&RID=55396&Cur rentPage=1> <http://jobs.apple.com/index.ajs?BID=1&method=mExternal.showJob&RID=55852&Cur rentPage=1>
Date: Tue, 13 Jul 2010 12:16:29 -0400 From: Monty Solomon <monty@roscom.com> To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org. Subject: iTunes password caching Message-ID: <p06240829c8623f02e390@[]> iTunes password caching Mike Rohde racked up $190 in iTunes in-app purchases without knowing it, blaming an app called Fishies by PlayMesh for tricking his son into purchasing virtual items without a password prompt. He was obviously pretty upset - I would be too! - but calling it a "scam" probably goes too far. So what really happened? It is fairly well known that after the App Store prompts for your iTunes password, you can download more apps for a certain length of time (at least a few minutes) before it requires a password again. What seemed less clear is that this applies to in-app purchases as well. To be sure, I ran a test to confirm the behavior: * Download a new free app from the App Store (I downloaded the current number 1 iPhone app, Farm Story Summer). * Enter your password to confirm the download. * As soon as it finishes, go to another completely different app (in my case it was Iconfactory's Ramp Champ, which I had downloaded months ago). * Purchase an in-app virtual item. * It prompts for whether you want to buy the item (the standard Apple prompt), but without requiring a password. ... http://www.manton.org/2010/07/itunes_password.html PlayMesh Fishies App Story: iTunes Password Caching http://www.rohdesign.com/weblog/archives/003193.html
Date: Tue, 13 Jul 2010 13:22:34 -0700 (PDT) From: hancock4@bbs.cpcn.com To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org. Subject: Re: Are hybrids still used? Message-ID: <3b033f4c-161b-4fd7-9a60-571bddc2e73e@41g2000yqn.googlegroups.com> On Jul 11, 5:45 am, Gilles Ganault <nos...@nospam.com> wrote: > Hello > > I'm not an engineer and was reading this article to learn about echo > in phone calls: The following is an old technical article, but it may be of interest on this topic. It discusses overseas communications and the issues of 2 vs 4 four wire communication. http://massis.lcs.mit.edu/telecom-archives/archives/technical/western-union-tech-review/21-4/p174.htm (click next or previous to navigage) (this issue also contains an article on ASCII.)
Date: Tue, 13 Jul 2010 18:19:09 -0400 From: Randall <rvh40.remove-this@and-this-too.insightbb.com> To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org. Subject: Re: I before E Message-ID: <E9ECEAE8-FB8E-4752-A30A-69D22A66DEA7@insightbb.com> >> http://www.cr80news.com/2010/02/09/one-in-six-college-students-recieve-blackboard-connect-messages > > And four out of five English teachers are pulling their > hair out when reading that url... > > ***** Moderator's Note ***** > > Repeat after me: 'I before E, except after Cee, or when sounded like > A, as in "Neighbor" and "Weigh".' > > Don't they even teach that at journalism school? I before E, huh? Weird ...
TELECOM Digest is an electronic journal devoted mostly to telecom- munications topics. It is circulated anywhere there is email, in addition to Usenet, where it appears as the moderated newsgroup 'comp.dcom.telecom'. TELECOM Digest is a not-for-profit, mostly non-commercial educational service offered to the Internet by Bill Horne. All the contents of the Digest are compilation-copyrighted. You may reprint articles in some other media on an occasional basis, but please attribute my work and that of the original author. The Telecom Digest is moderated by Bill Horne. Contact information: Bill Horne Telecom Digest 43 Deerfield Road Sharon MA 02067-2301 781-784-7287 bill at horne dot net Subscribe: telecom-request@telecom-digest.org?body=subscribe telecom Unsubscribe: telecom-request@telecom-digest.org?body=unsubscribe telecom This Digest is the oldest continuing e-journal about telecomm- unications on the Internet, having been founded in August, 1981 and published continuously since then. Our archives are available for your review/research. We believe we are the oldest e-zine/mailing list on the internet in any category! URL information: http://telecom-digest.org Copyright (C) 2009 TELECOM Digest. All rights reserved. Our attorney is Bill Levant, of Blue Bell, PA. --------------------------------------------------------------- Finally, the Digest is funded by gifts from generous readers such as yourself who provide funding in amounts deemed appropriate. Your help is important and appreciated. A suggested donation of fifty dollars per year per reader is considered appropriate. See our address above. Please make at least a single donation to cover the cost of processing your name to the mailing list. All opinions expressed herein are deemed to be those of the author. Any organizations listed are for identification purposes only and messages should not be considered any official expression by the organization.
End of The Telecom Digest (5 messages)

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