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Kolkata, Feb 25 (IANS) State-run telecom operator Bharat Sanchar Nigam Limited (BSNL) Monday said it would commence work on upgrading its existing landline networks to the next generation network (NGN) for the Calcutta circle from June.
The NGN, built around the internet protocol, will bring in architectural changes. It will facilitate convergence of all services and allow landlines to carry a mix of voice, data and video calling signals using the same platform.
"It will take two to three years to complete the process of upgradation. We are in the process of acquiring the necessary equipment and that should start coming in the month of June. The tender process has been completed," BSNL chief general manager, Calcutta circle, Somnath Maity said here.
Speaking to the reporters on the sidelines of an event organised by the Bengal National Chamber of Commerce & Industry (BNCCI), Maity said BSNL would be spending close to Rs.2,000 on upgrading each line or connection but the upgradation to NGN would significantly boost the firm's fixed line business in the circle.
Currently, BSNL has about 500 exchanges in the Calcutta circle with about ten lakh land phone customers.