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The short answer is no. Strictly the phone does not have a number. It has an International Mobile Subscriber Identity or IMSI which serves to identify the SIM to the network. These must be globally unique. The "number" which people call is the MSISDN. The network uses the IMSI to locate and communicate with the phone and the Home Location Register HLR ...


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Your cellphone company probably has a way to forward your calls. For example AT&T (who I use) says that you need to call them to forward your number to another phone. Phone companies use to offer the ability to ring multiple phones simultaneously or in rotation, but I don't see that AT&T offers this. (Although maybe they do offer it in business ...


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I was always under the impression that only one SIM card at a time could be registered to any given phone number, but another answer suggests otherwise. If you lose your phone and contact your network to report it missing then it would be technically possible for them to transfer your number to a different SIM card that you already possessed on the same ...


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Yes Yes it is possible. I think they developed this for the fixed car-phones. Some providers support 2 simcards with the same number. How it works: The phone that had a connection and some communication to the cell-tower last will be the primary phone. When you make a call, that phone becomes the primary phone. When you change locations (change ...


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Nope. And Apple does very rarely communicate on the future of there phones. One of the reason for this could the place a sim takes in the phone. There were rumors that Apple would remove the sim system since It could be replace by something that take much less space.


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If you leave the carrier OFF the card should actually not be charged. At least that's usually the recommendation when using an iPad abroad. As far as I know you could actually even remove the SIM card and still use the iPad over wifi – and maybe that would be the best option if you want to be 100% sure your brother's account is not charged.


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I've had good luck with Acrobits Softphone... it's a SIP soft phone for iOS. Once you have an appropriate VoIP/PBX account that supports SIP clients, you can use google chat to get your calls into the PBX. It definitely has some noticeable lag, but it is certainly better than nothing. You can get a free VoIP/PBX account at pbxes.com (I have no ...



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