A busy signal (or engaged tone) in telephony phone numbers busy signal is fast busy fast busy signal phone signal an audible bypass busy signal or visual dial up busy signal signal to the calling party that indicates busy signal prefuse failure to complete the requested connection of that particular telephone's false busy signal telephone busy signal wave file busy signal telephone call.
- a reorder tone, (sometimes called a fast busy signal), busy signal phone numbers busy signal database indicates that no transmission path cause of telephone's false busy signal when someone calls in to cause of telephone's false busy signal the called number british telephone busy signal cause young lust busy signal sound of busy signal when someone calls in sounds is available. british busy signal sounds
- an otherwise unspecified busy signal indicates that the called number is occupied or otherwise unavailable
- this tone sometimes occurs at the end of a call to indicate the other party has hung up.
Many different countries have different signalling busy signal wav tones that act as "busy signals".
References
- Federal check busy signal + phone + verizon Standard 1037C
- MIL-STD-188
Electronics Topics
The field of electronics is the study and use of systems that operate by controlling the flow of electrons or other electrically charged particles in devices such as thermionic valves and semiconductors. The design and construction of electronic circuits to solve practical problems is part of the fields of electronic engineering, and the hardware design side of computer engineering. The study of new semiconductor devices and their technology is sometimes considered as a branch of physics.
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