[cisco-voip] IP Phone 7841 AUX Port and Credit Card Machine

[Anthony Holloway]

To clarify, it is not a full on credit card machine, rather a credit card
reader.

I've found to references to this being possible, but no product links yet.

https://supportforums.cisco.com/discussion/11760231/aux-port-cisco-ip-phone-794x

https://supportforums.cisco.com/discussion/10250386/aux-port-cisco-7940-ip-phone

On Wed Jan 21 2015 at 9:51:41 AM Anthony Holloway <
avholloway+cisco-voip at gmail.com> wrote:

> All,
>
> 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.
>
> 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.
>
> 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.
>
> Can anyone comment on this?
>
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