On Sun, 27 Dec 2020 18:05:45 +0000, Chris Green wrote:

> Martin Gregorie  wrote:
>> On Sun, 27 Dec 2020 16:02:27 +0000, Chris Green wrote:
>>
>> > The Natural Philosopher  wrote:
>> >> On 27/12/2020 15:08, Joe wrote:
>> >> > On Sun, 27 Dec 2020 14:27:46 +0000 Chris Green 
>> >> > wrote:
>> >> >
>> >> >> The Natural Philosopher  wrote:
>> >> >
>> >> >>> Just use an IP capable dongle forget about 'incoming calls' and
>> >> >>> ssh riught in. Biggest problem will be on what IP address you
>> >> >>> appear,
>> >> >>>
>> >> >> Yes, as I said it needs a dynamic DNS service but that's all.
>> >> >>
>> >> >>
>> >> > It is possible to get a fixed, public IP address on a 4G SIM, but
>> >> > it takes a bit of finding. Even then, the actual IP address is
>> >> > dynamic and private, but the 4G operator runs a NAT server to
>> >> > accept calls on a fixed public address and route them to the SIM.
>> >> >
>> >> > It's a common requirement, and the magic codeword is 'M2M'
>> >> > (machine to machine). You'll probably need to go to a specialist
>> >> > SIM provider,
>> >> > the average high-street phone shop salesman won't have a clue what
>> >> > you're talking about.
>> >> >
>> >> That I did NOT know. That simplifies everything
>> >>
>> > I think it's quite expensive (M2M that is).
>>
>> Nah, 3G/4G dongles are only as expensive as you want to make them.
>>
> Dongles are as cheap as chips, it's the M2M SIM that costs.

Not all of 'em by any means - Amazon prices seem to run from 13 quid to
over 160.


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Martin    | martin at
Gregorie  | gregorie dot org

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