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In telecommunications, an automatic callback is a computer telephony calling feature that permits a user, when encountering a busy condition or other condition where the called individual is unavailable, to instruct the system to retain the called number and to establish the call when there is an available line or when the called number is no longer busy.
Continuous redial, busy number redial, or repeat dial [1] is a vertical service code (calling feature) that allows callers to automatically redial a busy telephone number until a connection is made. It was introduced in 1992 as Repeat Dialing, [ 1 ] and is activated by dialing a combination of special characters and numbers after hanging up ...
Call trace (Malicious caller identification) *60 1160 Call blocking *61 1161 Priority call *62 1162 Selective call waiting *63 1163 Selective call forwarding *65 1165 Calling number delivery activation *66 1166 Continuous redial *67 1167 Calling number delivery blocking 1831 #31# [4] [5] 141 #31# [6] *68 1168 Activate call forwarding on busy ...
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 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.
So if your bank leaves a voicemail, don’t just call back the number from the missed call. Find the official number online and dial that, suggests Levin. “Never trust—always verify,” he says.
Gile understands this firsthand — it's a reason she has been putting off making a phone call to find a location for her school library association to meet. “I don’t want to risk sounding ...
Automatic ring back is a service offered by phone companies. On making a telephone call to a number that is engaged, automatic ring back is a service provided by the telephone company whereby, when the called number becomes available, the caller is rung back, usually with a distinctive "ring back" ring. When the phone is picked up, it calls the ...