Output computer audio (3.5mm jack) to landline telephone (RJ11)?

Jason Chapman

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Aug 29, 2013
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I am finding lots of devices online that let you record phone conversations to a computer, but what about the other way around? I talk on the phone alot and would like to patch a computer's audio output into the phone conversation, instead of having to hold the phone handset up to the computer speakers when I need the other person to respond to a recording.

Will these telephone recording devices also work the other way around? If not, what kind of device would be necessary to connect a computer audio output (mono is fine) to a phone, while still leaving the phone handset plugged in to talk on the phone?

I imagine whatever device I need would have one 3.5mm audio and two phone jacks (to pass through the phone conversation), so the telephone recorder devices look like they have the right connections, but if the internal electronics only process a signal one way (phone to audio output), they wouldn't work.
 
Solution
since you will be using the pc anyways why do you not just use voice over ip? or a program which allows you to make calls on the pc? it would be far simpler than trying to patch in a signal from your pc to a phone via what you proposed.

if on voip you can then use something like http://software.muzychenko.net/eng/vac.htm to play sounds using your pc over the voip connection.

if you dont want to use voip... and want to use pots (plain old telephone service) on the pc then perhaps something like this http://www.mycallsoft.com/ combined with that software i listed before will would work to accomplish what you want. perhaps this is another alternative to answer phone calls on pc...
since you will be using the pc anyways why do you not just use voice over ip? or a program which allows you to make calls on the pc? it would be far simpler than trying to patch in a signal from your pc to a phone via what you proposed.

if on voip you can then use something like http://software.muzychenko.net/eng/vac.htm to play sounds using your pc over the voip connection.

if you dont want to use voip... and want to use pots (plain old telephone service) on the pc then perhaps something like this http://www.mycallsoft.com/ combined with that software i listed before will would work to accomplish what you want. perhaps this is another alternative to answer phone calls on pc http://www.avanquest.com/USA/software/classic-phonetools-9-27401?gclid=CKaj-ZLY8J8CFSFy5QodPBzvEA .

looks like you would need a headset... or at least a mic and speakers. you might need a dialup modem too.


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or if you want a solution as you described above.... perhaps you could use something like this

http://www.telecomaudio.com/voice_over.html

edit:

or perhaps something like this http://www.ablecomm.com/haauadyoufeh.html
 
Solution

Jason Chapman

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Aug 29, 2013
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My reason for not using VOIP Is simple. I work from home as a call center agent, and my employer refuses to use VOIP (and they have their own reasons for this). Calls are transferred to my personal landline. For training classes, we use an conference call service, where we all dial into a conference call from our landlines and talk together. Occasionally I have to play a recording (like a speech or a recorded phone call) from my computer to the group, and right now I have to crank up the computer volume and hold my handset or headset next to the speaker for people on the conference call to hear it. A better solution (if possible) would be to inject the recording directly into the phone line so I can still talk on the phone without having to have my head right by the speaker.

So, the telecomaudio.com device that you recommended will not work, because:
Voice Over mixes the left and right audio input signals with the caller's voice in the earpiece. The caller never hears your added audio source.
If "the caller never hears your added audio source", this defeats the entire purpose.
 

wtwilson3

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Jan 5, 2015
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I know this post is old, but I hope this can help some people. The only device I can find that does this well is this one:

http://www.telecomaudio.com/voice_port.html

I've been using it for several years to play computer audio over landline conference calls and it works like a breeze. It also allows you to record your phone calls via the PC microphone jack, but I've never used that feature. The other device mentioned in this thread from the same company will not allow the rest of the people on the call to hear your audio. That device is so you can listen to your own audio in addition to the audio from the phone.

If you want to share your PC audio over the phone, this device is it.