7921 2.5mm 4-conductor pinout?

Unanswered Question
Apr 15th, 2008

Does anyone know the pinouts for a 7921 headset jack? I made a patch cable for my 7920, which works fine, but doesn't seem to work on the 7921. Trying to convert so I can use a normal 3-conductor headset like most cell phones can use. Anyone?

I have this problem too.
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sskillin Mon, 04/21/2008 - 19:27

yeah, I figured this was the way I had to go. I just wanted to avoid spending $100 and having yet another headset to deal with. It's a shame that these phones won't work with a standard headset, as the 7920 did (with a little modification).

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