Solved! Output computer audio (3.5mm jack) to landline telephone

Mar 21, 2020
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Hello there! I am looking to share audio from my pc to a landline conference call. I would like to be able to play a video from my PC and have that audio go through to the landline conference call. The reason I need to use a landline is so that others are able to tie in using the same phone number that isn't a long distance call.
 
Solution
You can't do this. You will need to setup a VOIP program on the computer and dial in that way, or put the phone next to the speaker as you play the audio.