Bulk Dial-Up service is a service in which dial-up accounts are provided in bulk amounts
    to the corporate Customers. This service is a pre-paid service which can be renewed when
    required. This is ideal for Corporations having bulk requirements who can use their accounts
    for their branch offices, dealers etc. The bulk purchase can be made from Calcutta Telephones
    centrally.The Service is offered for both PSTN dial-up  & ISDN dial-up.

   Advantages :-

•   All India roaming possible.

•   Cheapest among the services available from different service providers.

•   Single window facility of getting bulk accounts.

•   E-mail ids in Sancharnet domain of BSNL.

•   Easier administration of accounts through web.