<div dir="ltr">On Wed, Oct 8, 2008 at 5:52 AM, Alastair Johnson <span dir="ltr"><<a href="mailto:alastair@truebox.co.uk">alastair@truebox.co.uk</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
GSM firmware will never be fully open unless national telecoms<br>
regulators decide to relax their rules. The GSM modem is in effect a<br>
separate device with its own firmware that we talk to through a serial<br>
interface. It just happens to be on the same board. </blockquote><div><br>GSM firmware is usually closed due to national radio laws. If the firmware were open it would be perceived a Software Defined Radio (SDR) which most countries limit.<br>
<br>I'm sure the GSM manufacturers are perfectly happy to keep those restrictions in place.<br><br>Angus<br> <br></div></div><br></div>