BSNL has started offering Black berry services under both post-paid and pre-paid mobile services. Blackberry is a well known application developed by RIM (Research in Motion Ltd.) that offers wireless solutions, by providing access to a wide range of applications on Blackberry handheld devices.

The most popular application of Black Berry solution is ‘Pushmail Services’.

In general, following components form part of Blackberry solution:

• Blackberry Handheld devices used by the end-users.
• Mobile Email services offered to the end-users via their GPRS subscription over BSNL network.
  • Mobile Email Enterprise Services (BES) for Enterprise customers and
  • Mobile Email Internet Services (BIS) for individual customers

To avail the Blackberry service, a customer requires a Blackberry handset. In market the Blackberry handsets are available as open handset which can be used by any service provider and as network locked which can be used by particular mobile service providers.

Any customer who wants to avail the Black berry service from BSNL can purchase the open Blackberry handsets from the market and choose a Blackberry tariff plan suitable to him along with a post-paid plan.