The most important and promising feature of this BlackBerry smart phone is push e-mail technology. This push e-mail technology works through a software package called black berry enterprise software. There are multiple versions of this BES available for lotus domino, Microsoft exchange and Novell GroupWise. Every blackberry has its unique ID called blackberry PIN which is used to recognize the device to BES. Basically, blackberry enterprise server functions as an e-mail relay for accounts of corporate so every users can easily access their e-mail. This software scans users inbox and when new message comes in, it pick up the message and send it to the Rims NOC (network operation center). Then message relayed to users wireless provider which deliver it to the users blackberry mobile phone. Therefore, this one is called push e-mail technology. All new contacts, calendar entries, and e-mails are pushed out to the blackberry mobile phone instantaneously and automatically.
Even this mobile phone allows user to access their message in offline status without wireless connections. When user reconnects device to wireless, BES send the latest and update data to the blackberry device. Another latest feature of blackberry smart phone is to track your location without using of GPS through trilateration. This trilateration process to track the location consumes less battery and enable user to know about the exact location.
The most important alternative of blackberry enterprise server is blackberry internet service. This BlackBerry internet service is developed for the general user rather than business user. This service allows user to access their e-mail accounts. This alternative supports all push e-mail features however; the speed and connectivity will be affected. This mobile phone also functions as media player which is portable and light. You can download latest BlackBerry Videos from the internet. The videos of blackberry must be in mp4, 3gp, and wmv formats. You can search latest videos over the internet and choose your own favorite. You can purchase your blackberry mobile phone directly from the online stores. There are multiple websites which offer blackberry mobile phones. You can easily get more details about the blackberry smart phones.