On Wed, Jul 10, 2013 at 2:32 PM, dwight elvey <dkelvey at hotmail.com> wrote:
I have one just like it someplace.
I never used one back in the day (I had a VICmodem that had a jack for
your handset cord, so no acoustic parts), but I remember a Byte
article on making your own coupler elements from foam and tape - handy
if you had a pre-modular phone.
-ethan