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  1. #1
    JAlves
    Guest
    In article <[email protected]>,
    bosad87 <[email protected]> wrote:

    > Watch out How to Unlock your car with a cell phone Video...
    > http://mobilephone-guide.blogspot.co...-car-with-cell
    > -phone.html


    http://www.snopes.com/inboxer/household/cellphones.asp

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  2. #2
    DevilsPGD
    Guest

    Re: Watch out How to Unlock your car with a cell phone Video

    In message <[email protected]> JAlves
    <[email protected]> wrote:

    >http://www.snopes.com/inboxer/household/cellphones.asp


    Which is wrong, at least with regards to point #1;

    Snopes claims:

    | Calling 112 on your cell phone will (in some parts of the world, primarily
    | Europe) connect you to local emergency services, even if you are outside
    | your provider's service area (i.e., even if you are not authorized to relay
    | signals through the cell tower that handles your call), and many cell phones
    | allow the user to place 112 calls even if the phone lacks a SIM card or
    | its keypad is locked. However, the 112 number does not have (as is
    | sometimes claimed) special properties that enable callers to use it in
    | areas where all cellular signals are blocked (or otherwise unavailable).

    Which is incorrect -- It will work in all parts of the world, if you are
    on a GSM service.

    Second, it does have "special properties", in that if the ESTABLISHMENT
    CAUSE is set to indicate an emergency call, the GSM network will knock
    other calls off the network to let this call through.

    So in a situation where signals are blocked, it won't help -- But when
    the network is "otherwise unavailable" (as in too busy to handle your
    call), 112 will still work.

    911 typically works the same in phones sold in 911-enabled
    jurisdictions, but 112 *always* works on a GSM phone.

    --
    Americans couldn't be any more self-absorbed if they were made from equal
    parts water and papertowel.
    -- Dennis Miller



  3. #3
    Dennis Ferguson
    Guest

    Re: Watch out How to Unlock your car with a cell phone Video

    On 2007-08-05, DevilsPGD <[email protected]> wrote:
    > In message <[email protected]> JAlves
    ><[email protected]> wrote:
    >
    >>http://www.snopes.com/inboxer/household/cellphones.asp

    >
    > Which is wrong, at least with regards to point #1;
    >
    > Snopes claims:
    >
    >| Calling 112 on your cell phone will (in some parts of the world, primarily
    >| Europe) connect you to local emergency services, even if you are outside
    >| your provider's service area (i.e., even if you are not authorized to relay
    >| signals through the cell tower that handles your call), and many cell phones
    >| allow the user to place 112 calls even if the phone lacks a SIM card or
    >| its keypad is locked. However, the 112 number does not have (as is
    >| sometimes claimed) special properties that enable callers to use it in
    >| areas where all cellular signals are blocked (or otherwise unavailable).
    >
    > Which is incorrect -- It will work in all parts of the world, if you are
    > on a GSM service.

    [...]
    > 911 typically works the same in phones sold in 911-enabled
    > jurisdictions, but 112 *always* works on a GSM phone.


    That's not true in the UK (I've tried it). It also isn't true in Belgium,
    Spain, Liechtenstein and Austria according to this page:

    http://en.wikipedia.org/wiki/Emergency_telephone_number

    A call to 112 in the UK will only be connected by your own service
    provider, and a phone without a SIM is useless. If you want to be
    able to dial emergency calls everywhere there is GSM service in the
    UK a foreign SIM which roams on all five networks is the only way to
    do it.

    Dennis Ferguson



  4. #4
    Andreas Wenzel
    Guest

    Re: Watch out How to Unlock your car with a cell phone Video

    DevilsPGD schrieb:
    > [...]
    > 911 typically works the same in phones sold in 911-enabled
    > jurisdictions, but 112 *always* works on a GSM phone.


    That is not quite true. 911 and 112 share the same status. 3GPP spec
    22.101, reads:

    || [...]
    || 10.1.1 Identification of emergency numbers
    || The ME shall identify an emergency number
    || dialled by the end user as a valid emergency
    || number and initiate emergency call establishment
    || if it occurs under one or more of the following
    || conditions. [...]
    || a) 112 and 911 shall always be available. These
    || numbers shall be stored on the ME.
    || [...]

    A phone accpeting only 112 but not 911 would be violating the GSM spec.
    The emergency setup message generated by the phone does not even contain
    a destination phone number, so the network doesn't even know if the user
    dialled 911 or 112 (though I think this is about to be changed in future
    releases of the spec).

    If used without a SIM card, the phone will use the IMEI (mobile
    equipment identity) to identify itself to the network since no IMSI
    (mobile subscriber identity) is available.

    Whether or not the network will accept such a call depends on the
    network configuration, which in turn depends on local regulations. In
    the UK for example, the networks do not accept emergency call setups
    with the IMEI as the mobile identity.

    Andreas






  5. #5
    ©¿®@©¿®.©¿®
    Guest

    Re: Watch out How to Unlock your car with a cell phone Video

    not true.

    Dennis Ferguson <[email protected]> wrote:
    > On 2007-08-05, DevilsPGD <[email protected]> wrote:
    > > In message <[email protected]> JAlves
    > ><[email protected]> wrote:
    > >
    > >>http://www.snopes.com/inboxer/household/cellphones.asp

    > >
    > > Which is wrong, at least with regards to point #1;
    > >
    > > Snopes claims:
    > >
    > >| Calling 112 on your cell phone will (in some parts of the world,
    > >| primarily Europe) connect you to local emergency services, even if you
    > >| are outside your provider's service area (i.e., even if you are not
    > >| authorized to relay signals through the cell tower that handles your
    > >| call), and many cell phones allow the user to place 112 calls even if
    > >| the phone lacks a SIM card or its keypad is locked. However, the 112
    > >| number does not have (as is sometimes claimed) special properties that
    > >| enable callers to use it in areas where all cellular signals are
    > >| blocked (or otherwise unavailable).
    > >
    > > Which is incorrect -- It will work in all parts of the world, if you
    > > are on a GSM service.

    > [...]
    > > 911 typically works the same in phones sold in 911-enabled
    > > jurisdictions, but 112 *always* works on a GSM phone.

    >
    > That's not true in the UK (I've tried it). It also isn't true in
    > Belgium, Spain, Liechtenstein and Austria according to this page:
    >
    > http://en.wikipedia.org/wiki/Emergency_telephone_number
    >
    > A call to 112 in the UK will only be connected by your own service
    > provider, and a phone without a SIM is useless. If you want to be
    > able to dial emergency calls everywhere there is GSM service in the
    > UK a foreign SIM which roams on all five networks is the only way to
    > do it.
    >
    > Dennis Ferguson


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