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<div class="">Hi Anthony,</div>
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<div class="">Its not well documented, but I believe there is (was) a developer level capability to access the AUX port. From memory I think this product used to use the AUX port:</div>
<div class=""><a href="http://www.litescape.com/index.php/secure-profile-management" class="">http://www.litescape.com/index.php/secure-profile-management</a></div>
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<div class="">I’m with the DevNet team at Cisco Live next week, I can ask around if you like, have you got a cool trick you want to use it for ;)</div>
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<div style="font-size: 12px;">Kind Regards.<br class="">
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</font><span style="font-size: inherit; orphans: 2; text-align: -webkit-auto; widows: 2; " class="">Stephen Welsh</span></div>
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<div class="">On 21 Jan 2015, at 15:51, Anthony Holloway <<a href="mailto:avholloway+cisco-voip@gmail.com" class="">avholloway+cisco-voip@gmail.com</a>> wrote:</div>
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<div class="">All,
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<div class="">I just ran into something very strange, were a customer is stating they are able to use a credit card machine via the AUX port on the back of a 7841.</div>
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<div class="">The 7841 data sheet and admin guide would suggest that this is not possible, as their only reference to this port is with the use of a headset.</div>
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<div class="">Now, I know these ports can be used for troubleshooting and/or hacking the phones, but I have not heard of a legit use like this before.</div>
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<div class="">Can anyone comment on this?</div>
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