31 Years of the Digest ... founded August 21, 1981
The Telecom Digest for August 31, 2012
====== 31 years of TELECOM Digest -- Founded August 21, 1981 ======
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Date: Thu, 30 Aug 2012 05:50:31 -0400 From: tlvp <mPiOsUcB.EtLlLvEp@att.net> To: email@example.com. Subject: Re: SIMM Interchangeability? Message-ID: <firstname.lastname@example.org> On Wed, 29 Aug 2012 03:43:29 +0000 (UTC), Boris wrote: > Moderator note: the basic info in a SIM is stored in a standard, phone- > independant/brand-independant, manner. But there is also provision for > 'private' supplemental info. For a truely authoritative answer, you'l > probably need to check with AT&T, or Samsung. Going into a bit more detail: the SIM (Subscriber Identity Module; not "SIMM" -- that's Single Inline Memory Module) in either AT&T-issued handset should, if issued by AT&T, function correctly in any other AT&T-issued handset -- so far as identifying the subscriber is concerned, that is, and enabling the handset it's in to place and receive voice calls, to send and receive text messages, and to "get on the cellular web". But different handsets have a nasty habit of storing contacts, messages, URL shortcuts, and the like, willy-nilly in assorted memory locations on the handset or on the SIM card, so that one handset may find what another handset stored totally unusable -- or not, you never know in advance. For two Samsung handsets, Moderator is therefore quite right: pretty much only Samsung can tell you with any certainty. HTH. Cheers, -- tlvp -- Avant de repondre, jeter la poubelle, SVP.
Date: Wed, 29 Aug 2012 20:50:35 +0000 (UTC) From: Koos van den Hout <email@example.com> To: firstname.lastname@example.org. Subject: Re: SIMM Interchangeability? Message-ID: <email@example.com> Boris <firstname.lastname@example.org> wrote in <XnsA0BDD2DBB167nospamnospaminvalid@220.127.116.11>: > I currently use a Samsung SGH-747 cell phone on the ATT network. It has a > 3G SIM card. > > If I get a Samsung Galaxy S3, will the Galaxy's 4G (LTE) SIMM card work in > the SGH-747, if I need to use the older phone sometime as a backup? No: the Galaxy S3 has a micro-SIM (the format Apple made famous), the Samsung SGH-747 has a normal mini-SIM card. You will need a micro-SIM from ATT and linking the micro-sim to your account will deactivate the mini-SIM.  found via the manual at http://images.comparecellular.com/phones/717/samsung-e747-user-guide.pdf Koos van den Hout -- Koos van den Hout, PGP keyid DSS/1024 0xF0D7C263 via keyservers email@example.com Visit the site about books with reviews http://idefix.net/ http://www.virtualbookcase.com/
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