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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 ...
Bharat Sanchar Nigam Limited is an Indian government enterprise and its history can be traced back to British India. The foundation of the telecommunications network in India was laid by the British sometime during the 19th century. During the British era, the first telegraph line was established between Calcutta and Diamond Harbour in 1850.
One97 Communications Ltd is an Indian multinational technology company, headquartered in Noida, Uttar Pradesh, India. [1] It was founded in 2000 by Vijay Shekhar Sharma. Through its subsidiaries and businesses, the company offers digital payment and financial services to consumers and merchants in I
Closed User group (CUG) is a supplementary service provided by the mobile operators to mobile subscribers who can make and receive calls from any member associated within the group. This service is applicable for SMS also. There will be administrative owner who will be responsible for invoicing. Irrespective of this a CUG member can make and ...
Tata Docomo was an Indian mobile network operator, a wholly owned subsidiary of Tata Teleservices deriving its name from NTT Docomo who invested in the company in 2008. In October 2017, Bharti Airtel announced a merger deal with Tata Teleservices and the acquisition of Tata Docomo. [3] As of 7 July 2019, all Tata Docomo users are merged with ...
GSM services. GSM services are a standard collection of applications and features available over the Global System for Mobile Communications (GSM) to mobile phone subscribers all over the world. The GSM standards are defined by the 3GPP collaboration and implemented in hardware and software by equipment manufacturers and mobile phone operators.
BSNL. GSM – 900/1800 MHz , ... available for postpaid, request activation for prepaid subscribers • eSIM : available on postpaid and prepaid subscribers 55.2 ...
Bharat Sanchar Nigam Limited (Branded as BSNL Mobile, CellOne) Reliance Jio Infocomm Limited (Branded as Jio) Vodafone Idea Limited (Branded as Vi) Mahanagar Telephone Nigam Limited (Branded as MTNL, Dolphin) Reliance Communications Limited (Continues to remain licensed, [92] but has ceased mobile telephony operations; [93] Was branded as Reliance)