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

[Anthony Holloway]

Ha!  I kind of said the same thing: two cables, or one cable + wireless,
and nope, not the case.  In fact, when the cable is unplugged from the AUX
port, the device says "no line detected" and when you plug it back in, it
works as designed.

So we deleted the phone

On Thu Jan 22 2015 at 8:53:37 AM Matthew Loraditch <
MLoraditch at heliontechnologies.com> wrote:

>  Were psychedelic implements involved? I’d have to guess the credit card
> machine is also Ethernet or wireless and the user just didn’t know…
>
> The aux port is only ever for headset peripherals in my understanding.
>
>
>
> Matthew G. Loraditch – CCNP-Voice, CCNA-R&S, CCDA
> Network Engineer
> Direct Voice: 443.541.1518
>
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>
> *From:* cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] *On Behalf
> Of *Anthony Holloway
> *Sent:* Wednesday, January 21, 2015 10:52 AM
> *To:* Cisco VoIP Group
> *Subject:* [cisco-voip] IP Phone 7841 AUX Port and Credit Card Machine
>
>
>
> 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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