Posted by Mr Bill on December 4, 2004, 12:22 am, in reply to "ON HOOK SIGNALS" --Previous Message--
Do what Ashley says, but use a 24-60Volt battery to power your phone intercoms. when you isolate/ no Batt/no gnd.
: I am looking for documentation on generation
: and use of on hook signals-
: can you turn off the busy signals etc so you
: can use your house network for intercom
:
:
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