The Siemens SK65 will be exist in three versions: Two of them have got the BlackBerry Built-In-technology. Cause of this its possible that the user is able to choose between BlackBerry Web Client (most of all for mail systems of small home offices) and the BlackBerry Enterprise Server. The last named system could be used in large enterprises and it is possible to connect to the enterprises server by using firewall of MS-exchange and Lotus-Domino-Systems.
