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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 certain telephone service features. [1] Some vertical service codes require dialing of a telephone number after the code sequence.
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 ...
Operator assistance refers to service provided by a telephone operator to the calling party of a telephone call.This can include telephone calls made from pay phones, calls placed station-to-station, person-to-person, or collect, third-number calls, calls billed to credit cards, and certain international calls which cannot be dialed directly.
Bharat Sanchar Nigam Limited (BSNL) was incorporated on 15 September 2000. It took over the business of providing telecom services and network management from the erstwhile Central Government Departments of Telecom Services (DTS) and Telecom Operations (DTO), with effect from 1 October 2000 on a going concern basis, in early days it was known as CellOne for GSM mobile services, Excel for ...
In addition to the support options listed above, paid members also have access to 24/7 phone support by calling 1-800-827-6364. Popular Products. Account; AOL Mail;
In India, mobile numbers (including pagers) on GSM, WCDMA, LTE and NR networks start with either 9, 8, 7 or 6.Each telecom circle is allowed to have multiple private operators; previously it was two private + BSNL/MTNL, subsequently it changed to three private + BSNL/MTNL in GSM; however currently each telecom circle has all four operators including Reliance Jio, Bharti Airtel, Vodafone idea ...
Your Restaurant.com Code will remain active for the entire calendar year and can't be deactivated. The Code will expire when the calendar year ends. The Restaurant.com Code may be activated for one username per eligible account and can't be transferred. Contact Restaurant.com or call 1-888-745-6989 for help with managing your Restaurant.com ...
C = Service Code Modifier: 2 alphabetic characters. Required. Modifies meaning of the service code, often identifies different billing options. D = NPA: 3 digits. This is a required field. Numbering plan area code. E = NXX: 3 digits. This is a required field. Central office (exchange) code. F = Line: 4 digits. This is a required field.