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Telephone call

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dramrattan

New Member
How to determine when an outgoing call is connected after ringing if i only have access to one phone in a circuit?...i.e the phone i am calling from.
 

audioguru

Well-Known Member
Most Helpful Member
It depends on your telephone system.
Some systems give a pulse of reversed polarity or a short disconnection of the voltage when an outgoing call is answered.
Other telephone systems do nothing at the originating end.
 
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