Solved Connecting cordless phone output to PC input

April 23, 2018 at 05:46:34
Specs: several
I want to copy the messages that have been left on
my Panasonic cordless phone to my HP laptop PC.

The phone has a 2.5 mm jack for a headset which
combines a microphone with a mono earpiece. The
plug which goes into that jack has three contacts:
tip, ring, and sleeve.

The HP laptop has no jack for microphone or line
input, but just a single 3.5 mm jack that works for
stereo output and -- according to the user manual --
also for a headset with a microphone. I don't have
such a headset, and the user manual does not say
what sort of plug to use with a headset: A 3-part
plug as the phone uses, or a 4-part plug, which I
have never seen in the wild, but which would seem
to be required for stereo.

What kind of plug should I use at the laptop end of
the cable, and how should it connect to the three
contacts on the mono plug for the phone?

-- Jeff, in Minneapolis


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#1
April 23, 2018 at 06:05:49
Jeff, if I understand what you want to do, you will need to manually play the messages, one by one. Why not simply use a microphone input to your PC. Sound chip/ cards have microphone in. You mention Stereo, the phone is Mono.

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#2
April 23, 2018 at 09:12:40
I will tell the phone to "Play all messages". It starts with the
first and plays through them all. There actually aren't that many.
Maybe 20 or so. No trouble there.

I can't "simply use a microphone input to my PC" because
there is no simple "microphone input". Just the headset input
which combines a microphone input with stereo output. I know
the stereo output works, but I don't know about the microphone
side of it. I don't know how to correctly wire two plugs together
to make a proper cable. In particular, I have read that there
are two different conventions for how headsets are wired.

-- Jeff, in Minneapolis


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#3
April 23, 2018 at 10:41:25
✔ Best Answer
Sound cards/chips are pretty smart these days and can distinguish between a microphone, line in, and headset/speakers plugged into them by the impedance of the device. Try plugging in a microphone and it should pop up with a message saying something along the lines of "you have plugged in a microphone" and it may also give you some options on how you want to configure it such as recording volume.

You could also head up to your local Best Buy and purchase a mini stereo to mini stereo or mini mono to mini mono plug. Since it's not known how the jack is wired on the phone, you may want to try both then return the one that doesn't work. Most likely the sound card/chip will recognize it as a line in device. You will have to tweak with the input selection and recording volume in the audio mixer control panel.

There is also this little guy which can convert an analog audio input to a digital signal through the USB port you would need to purchase a mini plug to RCA plugs to connect it to your phone. I've got one of these and it works great, I use it all the time.

https://www.amazon.com/BEHRINGER-U-...


message edited by THX 1138


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#4
April 23, 2018 at 13:27:25
Jeff, look at your sound manager software to see how to configure a jack to function as a microphone input. IE Realtek HD Audio Manager.

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