[Crew] UK PSTN In-band signaling??!??!?!

Daac daac2000 at yahoo.com
Mon Sep 4 21:39:19 BST 2006

Before I ask a question, please note:
(1) This is NOT a question about blueboxing.
(2) Yes, I'm very aware of SS7!

I'm interested in call tear-down on the UK PSTN. Does
anyone know if 852 hz+1633 hz plays a role, or whether
only the voltage is important?

Any thoughts on the above would be gratefully


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