<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><br></div><div>On 13 Jun 2016, at 10:17, Edinburgh Linux Users Group <<a href="mailto:edlug@lists.edlug.org.uk">edlug@lists.edlug.org.uk</a>> wrote:<br><br></div><blockquote type="cite"><div><div>I had a situation Friday evening where my handset said messages were being sent,GiffGaff(GG), but were not being delivered!<br>Eventually from the GG status page I found that a mast in the Inverkeithing are where I live was out of action. The messages were eventually delivered about 14 hours later! I was receiving texts OK, and voice both ways was working <br></div><br>Can anyone point me to a URL where I can read about how the mobile network works, or is supposed to work?<br></div><br>Its the way my handset said Sent but they weren't delivered that perturbs me. That just isn't a good system protocol. <br></blockquote><br><div>It's not a great system. But it was never designed to be. </div><div><br></div><div>On Giffgaff (and O2 who actually run the network) you need to prefix SMS messages with *0# to get sent a free delivery report). Don't bother with the "delivery report" setting your phone will have in the SMS settings - that doesn't work on O2/Giffgaff.</div><div><br></div><div>If you want more reliability (and security) use something like Whatsapp or iMessage (possibly coming to Android today).</div><div><div id="AppleMailSignature"><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div id="AppleMailSignature"><span style="background-color: rgba(255, 255, 255, 0);">Cheers</span></div><div id="AppleMailSignature"><span style="background-color: rgba(255, 255, 255, 0);">Kevin<br></span><div><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div><span style="background-color: rgba(255, 255, 255, 0);">Sent from my iPhone</span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div><span style="background-color: rgba(255, 255, 255, 0);">-- </span></div><div><b style="background-color: rgba(255, 255, 255, 0);">Kevin Davidson</b></div><div><span style="background-color: rgba(255, 255, 255, 0);">Apple Certified System Administrator</span></div><div><span style="background-color: rgba(255, 255, 255, 0);">Technical Director</span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><b>t</b> 01506 668674</span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><b>m</b> 07813 149620</span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><b>w</b> <a href="http://www.indigospring.co.uk">www.indigospring.co.uk</a></span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div><span style="background-color: rgba(255, 255, 255, 0);">indigospring (Scotland) Ltd</span></div><div><span style="background-color: rgba(255, 255, 255, 0);">Registered in Scotland No. SC398572</span></div><div><span style="background-color: rgba(255, 255, 255, 0);">Registered office: 103 Oldwood Place, Livingston EH54 6US</span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div><span style="background-color: rgba(255, 255, 255, 0);">Follow us on Twitter - <a href="http://twitter.com/indigospringIT">twitter.com/indigospringIT</a></span></div><div><span style="background-color: rgba(255, 255, 255, 0);">Members of the Apple Consultants Network - <a href="http://consultants.apple.com/uk">consultants.apple.com/uk</a></span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div><span style="line-height: 19px; background-color: rgba(255, 255, 255, 0);"><a href="http://www.indigospring.co.uk/terms-and-conditions">http://www.indigospring.co.uk/terms-and-conditions</a></span></div><div><span style="font-family: '.HelveticaNeueUI'; font-size: 15px; line-height: 19px; white-space: nowrap; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.294118);"><br></span></div></div></div></body></html>