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  2. Callback (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Callback_(telecommunications)

    For example, if a customer from Spain is calling a phone number in Australia, and it costs 8 cents per minute to phone Spain from the US (the callback, which is an incoming call) and 20 cents per minute to phone Australia from the US (the destination call, which is an outgoing call), then the caller will pay a total of 28 US cents a minute ...

  3. This is why you should never call back an unknown number - AOL

    www.aol.com/article/lifestyle/2019/05/03/this-is...

    At the very least, answering the phone or calling back makes you vulnerable to future scams, says Eva Velasquez, CEO and president of Identity Theft Resource Center. “When you call back not only ...

  4. List of telephony terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_telephony_terminology

    Call originator - (or calling party, caller or A-party) a person or device that initiates a telephone call by dialling a telephone number. Call waiting - a system that notifies a caller of another incoming telephone call by sounding a sound in the earpiece. Called party - (or callee or B-party) Caller; Calling party; Conference call (multi ...

  5. Ringback number - Wikipedia

    en.wikipedia.org/wiki/Ringback_number

    The test consists of calling a reverting calling telephone number (ringback number) or a vertical service code with a standard telephone. Upon answering the call, the exchange plays a unique signal tone as a signal for the installer to hangup the telephone. The exchange then places a reverting call to the originating line, causing the telephone ...

  6. Operator assistance - Wikipedia

    en.wikipedia.org/wiki/Operator_assistance

    A third number call or third party call is an operator assisted telephone call that can be billed to the party other than the calling and called party. The operator calls the third number for the party to accept the charges before the call can proceed. Time and charges was a service that could be requested of an operator before a call began ...

  7. Last-call return - Wikipedia

    en.wikipedia.org/wiki/Last-call_return

    Last-call return, automatic recall, or (on PBX and centrex service) camp-on, is a telecommunication feature offered by telephony service providers to subscribers to provide the subscriber with the telephone number, and sometimes the time, of the last caller. The service may also offer the facility to place a call to the calling party.

  8. Automatic callback - Wikipedia

    en.wikipedia.org/wiki/Automatic_callback

    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.

  9. Yahoo Voice - Wikipedia

    en.wikipedia.org/wiki/Yahoo!_Voice

    Yahoo Voice was a Voice over Internet Protocol (VoIP), PC-PC, PC-Phone and Phone-to-PC telecommunications service. It was provided by Yahoo via its Yahoo Messenger instant messaging application. [1] [2] Yahoo Voice used the Session Initiation Protocol , GIPS codec and the Dialpad engine for voice transport.