Archaic: a telephone signal from one person to another.

The telephone signal glowed red back of the atten- dant's counter.

The telephone signal glowed red back of the attendant's counter.

The device reads the calling number, or the electronic code, contained within the telephone signal itself, which the phone company uses to identify particular phones.

A busy telephone signal often greeted new subscribers trying to use these services.

The telephone signal covers most of northern Iraq and south to Mosul.

Because the same twisted pair carries telephone signals in both directions, echo is often a problem on these circuits.

Then the hospital would send a telephone signal to trigger the defibrillating shock.

Those customers are almost exclusively companies that need satellites to relay television and telephone signals, both rapidly growing markets.

It's an art piece that just happens to transmit telephone signals.