A signal or tone sent by a receiving equipment or data set to the sending station to indicate that it is ready to accept transmission Alternatively a signal or tone sent to acknowledge receipt of a transmission
A signal sent by receiving equipment to the sending station to indicate that the receiver is ready to accept transmission
An Answer Back (AB) is an electrical and/or visual indication to the calling or sending end that the called or received station is on the line
If someone, especially a child, answers back, they speak rudely to you when you speak to them. She was punished by teachers for answering back I always answered him back when I thought he was wrong
A reply message from a terminal, manually or automatically initiated, to verify that the terminal has been addressed and is operational