TELECOM Digest OnLine - Sorted: Programming Coin Operated Payphone

Programming Coin Operated Payphone

Eric (
9 Apr 2006 11:46:00 -0700

Greetings all,

I picked up a coin operated payphone on eBay that was made or sold by
"System One Telecom" of Miami, which doesn't seem to exist any more.
It accepts coins only (no card reader), and it came with all the keys
I need to open it up and a 110V to 24V transformer and filter.

I'd like to get it working on a standard POTS line (more precisely a
SIP ATA), preferably requiring a coin be dropped, but if not, just as
a normal telephone. It's just going to be in my office, so no
regulatory or security issues.

Any help or advice would be appreciated!



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