Re: A long shot I know: recording from a POTS phone for voicemail

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Guys,


On 2016-02-24 11:28, chris hermansen wrote:
> Doug, Philip, list;
> 
> On Tue, Feb 23, 2016 at 4:06 PM, doug <dmcgarrett@xxxxxxxxxxxxx>
> wrote:
> 
>> On 02/23/2016 03:10 PM, Philip Rhoades wrote:
>>> People,
>>> 
>>> I know this is a bit of a long shot but does anyone here have any
>>> experience setting up a voicemail recording system for a POTS
>> phone?  I
>>> thought it should be simpler than using say using Asterisk to set
>> up a
>>> whole PABX but maybe it isn't . .
>>> 
>>> Yhanks,
>>> 
>>> Phil.
>> It depends on what you are trying to do. If you just want to record
>> the
>> audio on a telephone line, the easiest way is
>> a small audio transformer and a capacitor. Say a 10000 Ohm 1:1 audio
>> transformer and about a 0.1 microfarad capacitor
>> rated at 100 volts DC or better in series with the transformer on
>> the
>> phone line side. Connect the secondary to the recorder
>> or computer line input.
>> 
>> If you're trying to run voice in both directions from, say, a
>> computer
>> to the phone line, you need a telephone modem, which
>> is explicitly designed to do that job.


The main reason is to simply replace my answering machine with my 
computer - I don't need to make calls out or record my conversations or 
anything like that - the setup justs needs to answer the phone when I am 
not around and record a message as a WAV file or something . .


> Most older laptops include a modem.  Or if you don't have one of those
> you can buy a cheapo modem
> 
> Here is a reference you might find useful
> http://www.linuxtoys.org/answer/answering_machine.html
> 
> Here is another http://frank.harvard.edu/~coldwell/answering_machine/
> 
> Another
> http://askubuntu.com/questions/513004/telephone-call-answering-machine-software
> 
> Another
> http://unix.stackexchange.com/questions/44624/is-there-a-way-for-linux-to-pick-up-the-phone
> 
> You may also be able to do the job with vgetty
> http://linux.die.net/man/8/vgetty


I will have a look at all that - thanks!

Regards,

Phil.
-- 
Philip Rhoades

PO Box 896
Cowra  NSW  2794
Australia
E-mail:  phil@xxxxxxxxxxxxx

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