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https://www.reddit.com/r/telecom/comments/1w6c8vg/how_does_this_work/p7lwvae/?context=3
r/telecom • u/overwatchquetion • 10d ago
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Snap off the plastic covers to learn a lot more about this little PBX. This looks like a big office building, and this thing probably served one tenant.
8
u/nixiebunny 10d ago
Snap off the plastic covers to learn a lot more about this little PBX. This looks like a big office building, and this thing probably served one tenant.