Caller ID
A telephone service available both in digital and analogue systems allows displaying a number of the calling subscriber on the display. And where it is possible the caller’s name can be also lighted up.
Call
Origination is the collecting of the call started by a calling party on a PSTN,
and handing off the call to a VoIP endpoint or to other exchange phone company
for completion to a called party
Call
Termination is a handing off or routing of calls from one Telephone Company to
another.
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