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In telecommunication, the term signaling has the following meanings:

  1. The use of signals for controlling communications.

  2. 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.

  3. 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.

  4. May also refer to Railway signaling

Source: from Federal Standard 1037C and from MIL-STD-188

See Also