How can I combine stereo audio from a 3.5mm connector to an RJ11 phone jack?
so I can listen to music while I am on a call. I am using a binaural cordless headset that has a base with an RJ11 jack for the phone headset connect from the phone line. There has to be an easy way to merge the phone line input with my audio input; like a reverse 'Y' connector, one RJ11 connector the other a 3.5mm male connector, to combine to an RJ11 Male connector. I know there is a trick to doing this. That's where the Instructables community can help! Thanks!