D dramrattan Member Apr 16, 2009 #1 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.
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 Apr 16, 2009 #2 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.
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.