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Out-of-band signaling is telecommunication signaling on a dedicated channel separate from that used for the message. Out-of-band signaling has been used...

Channel-associated signaling (CAS), also known as per-trunk signaling (PTS), is a form of digital communication signaling. As with most telecommunication...

System in the United States by the name Common Channel Interoffice Signaling in the 1970s for signaling between No. 4ESS switch and No. 4A crossbar toll...

signaling, for example common-channel signaling, refers to phone number and other digital control information rather than the actual voice signal. Signals...

telecommunications, common-channel signaling (CCS), or common-channel interoffice signaling (CCIS), is the transmission of control information (signaling) via a separate...

electrical audio signal back into sound. Digital audio systems represent audio signals in a variety of digital formats. An audio channel or audio track...

and signal processing, baseband is the range of frequencies occupied by a signal that has not been modulated to higher frequencies. Baseband signals typically...

Separate-channel signaling is a form of signaling in which the whole or a part of one or more channels in a multichannel system is used to provide for...

10 kHz-wide channels. The output from each channel was represented in the computer printout as a column of alphanumeric intensity values. The Wow! signal is essentially...

a communication channel, which can be sent to (written) and received from (reading) and allows communication of an information signal across time. Examples...

received signal strength indicator or received signal strength indication (RSSI) is a measurement of the power present in a received radio signal. RSSI is...

Signal-to-noise ratio (SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background...

desired frequency (channel). A bandpass-filtered signal (that is, a signal with energy only in a passband), is known as a bandpass signal, in contrast to...

Signals intelligence (SIGINT) is the act and field of intelligence-gathering by interception of signals, whether communications between people (communications...

final effect of the signaling process. Typically the final effect consists in the activation of an ion channel (ligand-gated ion channel) or the initiation...

communication channel, or a signal spectrum. Baseband bandwidth is equal to the upper cutoff frequency of a low-pass filter or baseband signal, which includes...

and receiving more than one data signal simultaneously over the same radio channel by exploiting the difference in signal propagation between different antennas...

varying analog signal over an analog channel, digital communication is the transfer of discrete messages over a digital or an analog channel. The messages...

white or color signal, on a single channel, unlike the higher-quality S-Video (two channels) and the even higher-quality YPbPr (three channels). A yellow...

the identity of their contacts and the integrity of the data channel. The non-profit Signal Foundation was launched in February 2018 with initial funding...