---------------------------------------------------------------------- Message-ID: <20190912161311.GA10181@telecom.csail.mit.edu> Date: Thu, 12 Sep 2019 16:13:11 +0000 From: Bill Horne <bill@horneQRM.net> Subject: Most of the robocalls you get aren't coming from AT&T, Sprint and T-Mobile numbers A new report suggests that the United States' top mobile carriers are making headway in the fight against annoying robocalls. The data analytics company Transaction Network Services (TNS) released its bi-annual "Robocall Report" on Thursday, and some of the emerging unwanted call trends included an increase in hijacking mobile numbers and a shift to spoofing toll-free numbers. https://www.usatoday.com/story/tech/2019/09/12/smaller-mobile-carriers-reportedly-produce-more-robocalls/2289168001/ -- Bill Horne (Remove QRM from my email address to write to me directly) ------------------------------ Message-ID: <0c378309-cea8-472b-bf5a-34e1d988b467@googlegroups.com> Date: 12 Sep 2019 14:07:34 -0700 From: HAncock4 <withheld@invalid.telecom-digest.org> Subject: Re: FCC Issues Scathing Report on 37-Hour CenturyLink Outage On Friday, August 23, 2019 at 4:16:01 PM UTC-4, Bill Horne wrote: > The Federal Communications Commission released a damning report about > the cause and impact of a nationwide network outage that CenturyLink > experienced late last year. The outage impacted as many as 22 million > customers across 39 states, and at least 886 calls to 911 were not > delivered, according to the FCC. [snip] In another era, the telephone companies were more interested in keeping their systems going. Back in 1969, General Telephone ran a two page ad in LIFE urging the public to report vandalized pay phones. GTE noted vandalized phones were a big problem. https://books.google.com/books?id=1VAEAAAAMBAJ&lpg=PP1&dq=life%20apr%2011%2C%201969&pg=PA24#v=onepage&q&f=false ***** Moderator's Note ***** When I transferred to the Engineering department of Verizon, in 1995, the "Pubcom" groups were riding high: a desirable assignment for young college graduates on their way up. I got my first cell phone in 1996, and within three or four years, Coin telephones had been sold off to COCOT vendors, CLECs, and private owners. It was the end of an era, and like so many other things, the large investments that had been made in coin phone infrastructure affected large portions of telephone network engineering. I was told that the positive and negative 130 volt sources used to power the manhole repeaters in T-Carrier spans had been chosen so as to be compatible with existing "coin collect" and "coin return" supplies, in the same manner that "D1" T-Carrier banks were designed with 24 channels, since the plug-in units were built to fit into "N" carrier bays, which also had 24 channels. It all seems like a Tellurion or an Orrery now: common wisdom that was how the world explained ideas of the way that things should be, swept aside as if by another scientific revolution. Bill Horne Moderator ------------------------------ Message-ID: <78070C33-365C-483B-86CA-46536AA6C582@roscom.com> Date: 12 Sep 2019 11:25:10 -0400 From: "Monty Solomon" <monty@roscom.com> Subject: How to Make Your Smartphone Last Longer Smartphones are more expensive than ever, but we still don't keep them very long. Here's why, and what you can do to extend their life. By Eric Ravenscraft When you buy a new smartphone, how long do you expect it to last? Two years? Maybe three? Despite the sometimes sky-high sticker prices, we tend to replace our smartphones more frequently than any of our other expensive electronic devices. It doesn't have to be this way. https://www.nytimes.com/2019/09/10/smarter-living/how-to-make-your-phone-last-longer.html ------------------------------ ********************************************* End of telecom Digest Fri, 13 Sep 2019