• A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access...
    10 KB (498 words) - 06:28, 27 January 2025
  • GSM services: Supplementary Services Vertical service code GSM USSD codes - Unstructured Supplementary Service Data: list of standard GSM codes for network...
    1 KB (87 words) - 07:51, 2 January 2025
  • *82 (category Telephone service enhanced features)
    This Vertical Service Code, *82, enables calling line identification regardless of subscriber preference, dialed to unblock withheld numbers (private...
    2 KB (265 words) - 12:48, 8 August 2023
  • Thumbnail for Telephone number
    conjunction with other signaling code sequences, such as vertical service codes, to invoke special telephone service features. Telephone numbers may have...
    27 KB (3,440 words) - 20:00, 15 June 2025
  • needs of users. These are called supplementary services and are commonly invoked by a Vertical service code. Examples include "Call waiting", "Call forward...
    2 KB (331 words) - 19:46, 27 February 2022
  • Last-call return (category Telephone service enhanced features)
    facility varies with country and provider: United States and Canada: Vertical service code *69; 1169 on rotary phone/pulse dial telephones. The prompt voice...
    6 KB (660 words) - 02:01, 22 December 2024
  • Malicious caller identification (category Telephone service enhanced features)
    call trace, is activated by the vertical service code *57 ("star fifty-seven"), and is an upcharge fee subscription service offered by telephone company...
    3 KB (370 words) - 20:45, 17 May 2025
  • dictionary. Star 69 refers to "last-call return," the Calling Feature Vertical service code *69 keyed on a landline telephone set in order to return the call...
    929 bytes (170 words) - 18:16, 22 September 2024
  • the short code; after doing so, one final message confirming the opt-out is sent. Telephones portal Abbreviated dialing Vertical service code "What is...
    32 KB (3,194 words) - 18:48, 9 March 2025
  • calling a reverting calling telephone number (ringback number) or a vertical service code with a standard telephone. Upon answering the call, the exchange...
    5 KB (800 words) - 01:03, 8 November 2024
  • control Variations in sex characteristics, congenital conditions Vertical service code, a special telephone number that usually begins with the * (star)...
    3 KB (347 words) - 22:50, 29 April 2025
  • symbol is used to refer a reader to an endnote *, the beginning of a vertical service code in telephony *, the wildcard character in a computer terminal window...
    2 KB (243 words) - 20:59, 2 July 2023
  • is now reserved for vertical service codes. Outside North America, "11x" numbers are still in use, for these and other services. In most European countries...
    12 KB (1,415 words) - 00:13, 11 June 2025
  • Association) which are free from cell phones, these are actually vertical service codes. Calling an 800-number is free of charge. Calling a 400-number incurs...
    47 KB (6,302 words) - 14:27, 3 June 2025
  • Caller ID (category Telephone service enhanced features)
    by the caller. Most service providers, however, allow the caller to block caller ID presentation through the vertical service code *67. A call placed behind...
    52 KB (5,741 words) - 17:11, 13 May 2025
  • callers to withhold the identifying information from calls using a vertical service code that blocks the caller's ID (*67 in North America, 141 in the UK)...
    25 KB (3,012 words) - 20:40, 6 June 2025
  • Thumbnail for QR code
    A QR code, quick-response code, is a type of two-dimensional matrix barcode invented in 1994 by Masahiro Hara of Japanese company Denso Wave for labelling...
    96 KB (9,954 words) - 11:34, 18 June 2025
  • switching equipment. The new telephone exchange equipment offered vertical service code calling features such as call forwarding and call waiting, but often...
    34 KB (4,102 words) - 21:56, 8 June 2025
  • subscribe to the service with a participating provider. Once authorized, a user simply needs to prepend calls the vertical service code of "*272" to receive...
    4 KB (536 words) - 13:41, 2 February 2025
  • Hang up. When the busy station becomes available, you will be signaled. redial Vertical service code from Federal Standard 1037C from MainResource.com...
    4 KB (555 words) - 14:53, 18 January 2025
  • An online service provider (OSP) can, for example, be an Internet service provider, an email provider, a news provider (press), an entertainment provider...
    12 KB (1,692 words) - 07:15, 10 March 2025
  • Telephones portal Abbreviated dialing Vertical service code, consisting of an asterisk followed by a two-digit number. Short code, for sending SMS and MMS text...
    4 KB (544 words) - 06:44, 26 March 2025
  • was many years before the two symbol keys became widely used for vertical service codes such as *67 in the United States and Canada to suppress caller ID...
    19 KB (2,098 words) - 02:52, 29 May 2025
  • Continuous redial, busy number redial, or repeat dial is a vertical service code (calling feature) that allows callers to automatically redial a busy...
    1 KB (153 words) - 20:27, 30 September 2022
  • North American Numbering Plan (NANP) generally uses the following vertical service codes to control call forwarding: The Sprint Nextel cellphone company...
    14 KB (1,478 words) - 09:56, 12 December 2024
  • allow speed dial from a user's address book using a vertical service code may allow a short numeric code (like *75xx) to be translated to a pre-stored alphanumeric...
    7 KB (1,010 words) - 07:29, 17 September 2022
  • subscriber. The service may require a subscription from their telephone company. To set up priority call, the subscriber dials the vertical service code *61 and...
    1 KB (149 words) - 02:35, 21 January 2025
  • Anonymous call rejection (category Telephone service enhanced features)
    the feature is enabled with the vertical service code *77, and disabled with *87. "Your anonymous call rejection service is now on. Callers who block their...
    3 KB (428 words) - 20:28, 22 August 2023
  • Trap and trace TWX Vertical service code Voicemail Voice over Internet Protocol (VoIP) Western Union Wide Area Telephone Service (WATS) WATS line Wireless...
    8 KB (425 words) - 12:30, 11 April 2025
  • communications networks, this is referred to as Callback or Automatic Callback. Callback Camp-on busy signal Vertical service code BT Ringback v t e...
    1 KB (130 words) - 12:12, 5 May 2021