Pls can anyone explain to me what this statement means: "a four (4) line telephone system?" or "a two line telephone system".
I came across it while reading some telephony material.. i have checked online but found little info...
Pls can anyone explain to me what this statement means: "a four (4) line telephone system?" or "a two line telephone system".
I came across it while reading some telephony material.. i have checked online but found little info...