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BSNL Landline was launched in the early 1990s. It was the only fixed-line telephone service for the whole country before the New Telecom Policy was announced by the Department of Telecom in 1999. Only the Government-owned BSNL and MTNL were allowed to provide land-line phone services through copper wire in the country.
Local number portability (LNP) for fixed lines, and full mobile number portability (FMNP) for mobile phone lines, refers to the ability of a "customer of record" of an existing fixed-line or mobile telephone number assigned by a local exchange carrier (LEC) to reassign the number to another carrier ("service provider portability"), move it to another location ("geographic portability"), or ...
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 ...
There are two types of PCOs: landline and wireless. The wireless PCOs use two technologies: CDMA and GSM. Reliance and Tata Indicom are CDMA-based prepaid PCO connection providers. Airtel, Idea and Hutch are GSM-based prepaid PCO connection providers. Initially, the Dept of Telecom, and later BSNL, MTNL and Airtel provided fixed landline ...
Signalling System No. 7 (SS7) is a set of telephony signaling protocols developed in the 1970s that is used to setup and teardown telephone calls on most parts of the global public switched telephone network (PSTN).
Avrum Z. Bluming, MD, an expert on hormone replacement therapy, debunks the menopause misconceptions that keep women from getting treatment.
Teeth whitening products can sometimes be a hit or miss, but there's a lot to love about the MySmile Teeth Whitening Pen, which pledges to get rid of stains from smoking, coffee, and wine.
An early form called Panel Call Indicator Pulsing used quaternary pulses to set up calls between a panel switch and a manual switchboard. Probably the most common form of communicating dialed digits between electromechanical switches was sending dial pulses , equivalent to a rotary dial 's pulsing, but sent over trunk circuits between switches.