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The server then disconnects the call. Based upon the user name and a list of users' phone numbers, the server will then establish a second call back to the client computer. The client computer, expecting this returned call, will then answer and communications between the two computers will proceed normally.
The user sends a request to the network via USSD, and the network replies with an acknowledgement of receipt: "Thank you, your message is being processed. A message will be sent to your phone." Subsequently, one or more mobile terminated SMS messages communicate the status and/or results of the initial request. [5]
The company who owns that Web site will then receive the Web callback request and a call center agent will call the person who made the request back on the number they entered. In some implementations, the Web callback service provider will place outgoing calls to the owner of the web site, and the user, then connect the calls together.
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Callback (telecommunications), the telecommunications event that occurs when the originator of a call is immediately called back in a second call as a response; Callback verification, a method for e-mail address verification used in SMTP; Web callback, a technology that provides telephone callback for websites
In many cases the SBC hides the network topology and protects the service provider or enterprise packet networks. The SBC terminates an inbound call and initiates the second call leg to the destination party. In technical terms, when used with the SIP protocol, this defines a back-to-back user agent (B2BUA). The effect of this behavior is that ...
Call again, a form of automatic ring back, allows a caller, on reaching a busy signal, to hang up, dial a special code, and be called back automatically when the called number is no longer busy, usually with a limit of 30 minutes. Call return allows a customer to dial a code that identifies the last incoming call. On some types of central ...
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.