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
Telephone number (section Special feature codes)
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
411 (telephone number) (redirect from Area code 411)
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
Toll-free telephone number (redirect from Universal International Freephone Service)
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
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
Party line (telephony) (redirect from Party line service)
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
Call forwarding (section Keypad codes)
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