In telecommunications, in-band signaling is the sending of control information within the same band or channel used for data such as voice or video. This is in contrast to out-of-band signaling, which is sent over a different channel, or even over a separate network.
In telecommunications, in-band signaling is the sending of control information within the same band or channel used for data such as voice or video. This is in contrast to out-of-band signaling, which is sent over a different channel, or even over a separate network.
Source: Wikipedia "In-band signaling" · CC BY-SA 4.0
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