, the term signaling
has the following meanings:
- The use of signals for controlling communications.
- In a telecommunications network, the information exchange concerning the establishment and control of a connection and the management of the network, in contrast to user information transfer.
- The sending of a signal from the transmitting end of a circuit to inform a user at the receiving end that a message is to be sent.
- May also refer to Railway signaling
Source: from Federal Standard 1037C
and from MIL-STD-188