Re: [LAU] Phone to computer adaptor

On Mon, Jul 21, 2014 at 8:20 PM, Len Ovens <len@email-addr-hidden> wrote:

>
>> So, can I connect a regular POTS phone via a USB thing? What are they
>> called and
>> do they work with Linux? I assume that the skype phone just acts like a
>> soundcard
>> ... same with what I want?
>>
>
> Plug it in and see what differences it makes to arecord -l and aplay -l
>

Ummm ... plug it in? The "real" phone only comes with a regular phone jack.
Surely you're not suggesting I get out my solder and destroy something :)

>
> POTS phone:
> - expects a dc voltage across the line. Not so phantom, phantom power...
> - expects 600ohm match... depends on how old it is though, newer may be
> less picky
> - runs audio both ways on the same line... this may be more difficult to
> deal with. (echo cancelling)
>
> Better to use two separate lines... prolly what the skype handset does.

Most likely. My computers just see it as a usb card. Actually, I have an
el-cheapo headset with a mic which works the same way. Guess I just want to
avoid getting out the solder stuff ... you really have no idea what a mess
I can make with this!

-- 
**** Listen to my FREE CD at http://www.mellowood.ca/music/cedars ****
Bob van der Poel ** Wynndel, British Columbia, CANADA **
EMAIL: bob@email-addr-hidden
WWW:   http://www.mellowood.ca

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Received on Tue Jul 22 08:15:03 2014