Satellite Phones - GSM Sim card with international roaming enabled

Submitted: Wednesday, May 25, 2005 at 16:13
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Am planning on buying a Motorola satellite phone and simply using it with an existing GSM Sim card with international roaming enabled (ie: not on a specific satellite plan)

Have read all the previous posts but none of them explain what my satellite phone number would be under this arrangement .. is it simply the GSM number (10 digits) with some satellite access numbers before it? I read on some website that satellite phone numbers are 12 digit.

Can anyone please explain how this works
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Reply By: Member - Geoff M (Newcastle) - Wednesday, May 25, 2005 at 17:05

Wednesday, May 25, 2005 at 17:05
Hello DrewT,
The SIM in my Motorola 9500 is exactly the same as the one in your GSM phone. Only thing you'll notice is the SIM used in the Satellite phone is left as the full credit card size. They don't break out the little chip that goes into a normal GSM phone.
That's not a huge problem, there are "adaptor" cards available that you slot a normal SIM into and it makes it credit card sized.
To call a Satellite phone from within Australia just dial the number, eg, 0404 123456 and away you go.
To call a land line within Australia from your satellite phone, Area Code then number, eg, NSW would be, 02 99887766
Apart from that read your service providors website for their "special" costing arrangements for using your GSM SIM in a Satellite phone.

Geoff.
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Follow Up By: DrewT - Wednesday, May 25, 2005 at 17:13

Wednesday, May 25, 2005 at 17:13
thanks for that .. any idea why the "12 digit" satellite phone number is referred to on the Global Information Technologies website? (http://www.gitsat.com/Iridium_voicefaq.htm)
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Follow Up By: Member - Geoff M (Newcastle) - Wednesday, May 25, 2005 at 20:24

Wednesday, May 25, 2005 at 20:24
Hello DrewT,
Not sure on the 12 digit number. Only guess I can make is my service provider is Tel$tra.
The one you mention is US based.

Geoff.
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Reply By: KiwiAngler - Wednesday, May 25, 2005 at 17:10

Wednesday, May 25, 2005 at 17:10
Dont know how works all I know is I take my sim card out of my GSM phone (Int roaming on) put it into the credit card sized sim card holder put it into my sat phone and I can talk...bloody science...aint it wonderful...never had anyone ring me so not sure what number they would dial...I am just charging sat phone up now and will put sim card in and ring it from other phone to see what happens...will advise
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Follow Up By: KiwiAngler - Wednesday, May 25, 2005 at 20:13

Wednesday, May 25, 2005 at 20:13
Battery charged...used other phone...dialled my 'usual' gsm cellphone number and satt phone rang...what does that little excercise tell you...dunno...but that's what I did...hope it helps somehow...no 12 digit number..
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Follow Up By: fisho64 - Thursday, May 26, 2005 at 00:03

Thursday, May 26, 2005 at 00:03
12 digit # is for Telstra "mini M", Inmarsat A system which is mostly used for marine stuff. Dont know anything about the plan/network your is connected to though
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