High demand on BlackBerry services is responded by each telecommunication companies which offer BlackBerry service to provide high technology to enrich to service. Various packages is also given by each telecommunication companies to spoil mobile telecommunication subscribers. As the result, almost each of telecommunication companies offers BlackBerry service either GSM or CDMA platform. Telecommunication companies companies in Indonesia are also doing the same despite of mobile internet service such as 3G and EVDO. BlackBerry technology to support the service is the key point to make sure that BlackBerry service is running properly. BlackBerry technology used to divided into BIS (BlackBerry Internet Service) and BES (BlackBerry Enterprise Service)

A BIS (BlackBerry Internet Service) is giving high speed mobile internet service access either through 3G or EVDO platform. Meanwhile BES (BlackBerry Enterprise Service) is providing a service which allows mobile telecommunication subscriber to access their internal corporate network. Telecommunication companies are running the server on the  BIS (BlackBerry Internet Service). Each of data which coming to handheld is encrypted data and high security level. Telecommunication companies assign which kind of application will be available on the BlackBerry mobile phone. Meanwhile on the BES (BlackBerry Enterprise Service), the buyer corporate responsible to run the server

A BIS (BlackBerry Internet Service) connect the mobile telecommunication subscriber with their mobile phone BlackBerry to telecommunication companies through internet. Meanwhile BES (BlackBerry Enterprise Service) connects mobile phone BlackBerry to corporate server.

BIS (BlackBerry Internet Service) is a service which used to used by individual mobile telecommunication subscribers and small corporate to support many kind of business processes especially push mail service. In order to receive email, the mail server should support Post Office Protocol (POP3) and Internet Message Access Protocol (IMAP). Email will be received in about 30 seconds to 20 minutes and BIS (BlackBerry Internet Service support to have accounts up to 10

BES (BlackBerry Enterprise Service) is used to use by middle and up corporate to support many kind of activities. It is like a PC. BES (BlackBerry Enterprise Service) support to Microsoft exchange, Lotus and Novell servers. The benefits of BES (BlackBerry Enterprise Service) is real time push mail, contact and task compared to BIS (BlackBerry Internet Service) which has a delay