Search results
Results From The WOW.Com Content Network
An otherwise unspecified busy signal indicates that the called number is occupied: The called number is talking with another caller on the phone; The number is calling out; Someone else has called the number or is calling the number at the same time; The other line was left off-hook; It is otherwise unavailable
In some instances the Number Unobtainable Tone may be used instead. This is a continuous, uninterrupted 400 Hz tone. The signal is used to indicate that the destination is unreachable, either because all circuits (trunks) are busy, the called number is out of service, the call is unroutable, or sometimes that an invalid code has been dialed. [ 1 ]
[17] [16] [10] Beep lines proved infectiously popular in the 1960s and 1970s; for example, New England Telephone in 1963 reporting a sharp uptick in busy signal calls in one week (from 1,495 to 27,928) after a beep line number was published in a teen weekly, according to Time magazine.
The number you have reached, old number, has been changed to a non-published number. [3] In the past, the call would be forwarded to an intercept operator after usually two readings of the message; today, however, this procedure is not observed, and on some systems a fast busy signal follows the second reading of the message instead. (A busy or ...
"This communicates that we are busy at the moment but that we will attend to what is being discussed," says Dr. Marty Cooper, Ph.D., an associate professor at SUNY Old Westbury.
For women, chin hair is normal. But when might it signal a health issue? Kaitlin Reilly. November 13, 2024 at 2:00 AM. Why do women get chin hair? Experts explain.
In many cases, when calling from abroad, busy, reorder and other call failure tones may be played by the local switch. Modern signalling protocols like SS7 send this information digitally; thus only a ringback tone or announcement generated by a distant switch in a foreign network will ever be heard by callers from other countries or networks.
The signal is applied to the local loop by the switching system for permanent signal treatment to alert an end user (subscriber) of an off-hook condition of the telephone set, i.e. that the telephone handset should be placed on-hook. Before playing the signal, a certain timeout has to elapse, and on some systems an intercept message is ...