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Tata Communications Limited (previously known as Videsh Sanchar Nigam Limited) is an Indian telecommunications company. Before its acquisition by Tata Group it was a government-owned telecommunications service provider and under the ownership of Department of Telecommunications, Ministry of Communications, and the Government of India.
A value-added service (VAS) is a popular telecommunications industry [1] term for non-core services, or, in short, all services beyond standard voice calls and fax transmissions. However, it can be used in any service industry, for services available at little or no cost, to promote their primary business.
This GSM service estimates the call cost for display on the user's mobile phone. [1] This helps users by preventing bill shock [2] and reduces the load on the mobile network operator's customer service department. However, in practice, this GSM service is rarely used because the calculation is more complex than the standard allows.
Telecommunications services in Nepal were first established in 1913, and a year later, a direct connection was established between Kathmandu and Raxaul.In 1935, twenty-five automatic telephone lines were installed in Kathmandu, which were followed a year later by the installation of a telecommunications line between Kathmandu and Dhankuta.
Manual service is telephone service in which a human telephone operator routes calls as instructed by a subscriber with a telephone set that does not have a dial. Dial service is when an exchange routes calls by interpreting subscriber-dialed digits. A telephone switch is the switching equipment of an exchange.
Up until the early 1990s, it was not thought possible that a television programme could be squeezed into the limited telecommunication bandwidth of a copper telephone cable to provide a video-on-demand (VOD) television service of acceptable quality, as the required bandwidth of a digital television signal was around 200 Mbit/s, which was 2,000 ...
Customer proprietary network information (CPNI) is the data collected by telecommunications companies about a consumer's telephone calls. [1] It includes the time, date, duration and destination number of each call, the type of network a consumer subscribes to, and certain other information that appears on the consumer's telephone bill .
Whidbey Telecom (legally Whidbey Telephone Company and often called Whidbey Tel) is a private, independent telecommunications company operating on the South End of Whidbey Island in Washington State, the community of Point Roberts, Washington, and its affiliate Hat Island Telephone Company on Hat (Gedney) Island. Whidbey Telecom has been ...