In telephony, signaling is the exchange of information between involved points in the network that sets up, controls, and terminates each telephone call. In in-band signaling , the signaling is on the same channel as the telephone call. In out-of-band signaling , signaling is on separate channels dedicated for the purpose.

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This was last updated in April 2005
Posted by: Margaret Rouse

Related Terms

Definitions

  • in-band signaling

    - In the public switched telephone network, (PSTN), in-band signaling is the exchange of signaling (call control) information on the same channel that the telephone call itself is using. (SearchNetworking.com)

  • signal

    - In electronics, a signal is an electric current or electromagnetic field used to convey data from one place to another. (SearchNetworking.com)

  • channel bank

    - A channel bank is a device at a telephone company central office (public exchange) that converts analog signals from home and business users into digital signals to be carried over higher-speed lin... (WhatIs.com)

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