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  2. Caller ID - Wikipedia

    en.wikipedia.org/wiki/Caller_ID

    Caller-ID system response sounds in various cases: analog, ISDN and digital PBX Caller identification (Caller ID) is a telephone service, available in analog and digital telephone systems, including voice over IP (VoIP), that transmits a caller's telephone number to the called party's telephone equipment when the call is being set up.

  3. Vertical service code - Wikipedia

    en.wikipedia.org/wiki/Vertical_service_code

    Caller ID (per call) *31#/1832 [11] 1470 *83 1183 Selective call forwarding disable *85 1185 Caller ID disable *86 1186 Continuous redial cancel *87 1187 Anonymous call rejection deactivation *88 1188 Deactivate call forwarding on busy *89 1189 Last-call return cancel *90 1190 Conditional forward: Busy line *92 1192 Conditional forward: No ...

  4. Telephone numbers in Australia - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Australia

    14xx – Carrier override prefixes (e.g. 1411 is the override prefix for the Telstra network; see below for details) 180 xxxx and 1800 xxx xxx – FreeCall; 183x – Caller identification override prefixes (1831 blocks caller-id sending while 1832 unblocks caller-id sending) 188 xxxx – Premium SMS (since moved to 19 range) 189 xx – Calling ...

  5. 000 (emergency telephone number) - Wikipedia

    en.wikipedia.org/wiki/000_(emergency_telephone...

    The Telstra operator will ask the caller whether they require police, fire, or ambulance service, and their location. When calling from a landline or public telephone, the location is automatically determined. The call is then transferred to the emergency service operator requested by the caller.

  6. Add or disable 2-step verification for extra security - AOL Help

    help.aol.com/articles/2-step-verification...

    2. Next to "2-Step Verification," click Turn on 2SV. 3. Click Get started. 4. Select Authenticator app for your 2-step verification method.-To see this option, you'll need to have at least 2 recovery methods on your account . 5. Click Continue. 6. Scan the QR code using your authenticator app. 7. Click Continue. 8. Enter the code shown in your ...

  7. Anonymous call rejection - Wikipedia

    en.wikipedia.org/wiki/Anonymous_call_rejection

    In many voice telephone networks, anonymous call rejection (ACR) is a calling feature implemented in software on the network that automatically screens out calls from callers who have blocked their caller ID information. The caller usually hears a voice message explaining that their call cannot be connected unless they display their number.

  8. Unlisted number - Wikipedia

    en.wikipedia.org/wiki/Unlisted_number

    In telephony, an unlisted number (United States, New Zealand), ex-directory number (United Kingdom) silent number, silent line (Australia [1]), or private number (New Zealand, and Canada) is a telephone number that, for a fee, [2] is intentionally not listed in telephone books.

  9. Caller ID spoofing - Wikipedia

    en.wikipedia.org/wiki/Caller_ID_spoofing

    Caller ID spoofing is a spoofing attack which causes the telephone network's Caller ID to indicate to the receiver of a call that the originator of the call is a station other than the true originating station. This can lead to a display showing a phone number different from that of the telephone from which the call was placed.