The International Business Times reported that the sister of one of the Chinese passengers also rang his phone on live television. This morning, around 11:40, I called my older brothers number twice, and I got the ringing tone, said Bian Liangwei, sister of one of the passengers according to IBT. At 2pm, Bian called again and heard it ringing once more. If I could get through, the police could locate the position, and theres a chance he could still be alive. However, at a press conference in Beijing, Malaysian Airlines spokesman Ignatius Ong said one of the numbers that had been passed on to the airlines head office in Kuala Lumpur failed to get through. I myself have called the number five times while the airlines command center also called the number. We got no answering tone, said Ong. Indeed, authorities Authorities hunting for the missing Malaysia Airlines jetliner expanded their search on land and sea Tuesday, reflecting the difficulties in locating traces of the plane more than three days after it vanished. Malaysia Airlines said in a statement the western coast of the country, near the Straits of Malacca, was now the focus of the hunt. That is on the other side of peninsular Malaysia from where flight 370 was reported missing. WHY ARE THE PASSENGERS PHONES STILL RINGING? After three days, wouldn’t the phone batteries be dead by now? Not necessarily. Smartphones are renowned for their poor battery life and will typically last up to around 24 hours. But the batteries of older phones can last considerably longer. For example, the Nokia 100 boasts a standby battery life of a staggering 35 days. Smartphone batteries can also last longer if the handset isn’t being used, and especially if the phone is in Flight Mode. However, if the phone is in Flight Mode, it switches off all wireless activity meaning calls wouldn’t be able to connect, effectively ruling out this theory. If the phone batteries are dead, wouldn’t the call go straight to voicemail? In a word, yes. However, the process of sending the call to voicemail can differ depending on the service provider. For example, the majority of phones will go straight to voicemail, or callers will get an out of service message if voicemail hasn’t been set up. This will occur even if the phone is underwater, or not near a cell signal. However, some service providers will ring once or twice before the phone goes to voicemail, or cut off. This may explain the reports that claimed phones rang before seeming to hang up. Some reports claim the phones are just ringing and ringing though. How is this possible? Telecoms expert Alan Spencer told MailOnline that if the phones are really ringing, they can categorically not be under the sea. He added that the phones will only be ringing if they are ‘switched on, not in water, the battery is charged, and [they are] near a mobile cell site.’ This means that if the phones are genuinely ringing, the plane needs to have landed on land – not in the sea – and be in a location where there is cell service, rather than landing in the middle of a jungle, for example. Why can’t network operators locate the phones? A number of family members have asked the network operators why they can’t use the phone’s signal to locate the missing people. Professor William Webb, a Fellow of the Royal Academy of Engineering, told MailOnline: ‘The phones definitely wont be working. Theyll be underwater, out of coverage and by this time out of battery. ‘So theres absolutely no way they could be used for triangulation. ‘As to why they are ‘ringing’ itll be the same as if they were out of coverage - in some cases it may ring before going to voicemail.’ What about the T3212 timer I’ve read about? The T3212 is a timer that causes a phone to periodically send a message to the network saying where it is. But Professor Webb said this only works when the phone is turned on and it is in coverage. It wont work when the battery is dead. What about reports that passengers are appearing online, on the QQ social network? When people sign into social networks including QQ, as well as Facebook, they appear online. This is the case whether they’ve signed in on a phone, tablet, PC, and laptop. if missing passengers are shown as online, they may not be using the service on their phone. Instead they may still be logged in on another device. If this other device shuts down or goes into standby, however, or there is a long period of inactivity, the social network will log them out, which may explain why some accounts went from online to offline over a period of three days. Full article: malaysia-chronicle/index.php?option=com_k2&view=item&id=241651:awkward-questions-for-msia-why-are-cellphones-of-mh370-victims-still-ringing?-why-suddenly-a-new-search-zone?&Itemid=2#ixzz2vfbi1iSb Follow us: @MsiaChronicle on Twitter
Posted on: Tue, 11 Mar 2014 15:55:19 +0000
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