CWS are another company which uses BlackBerrys. The managers and sales reps all require and use the BlackBerry functionality. In this case CWS don't house their own BlackBerry Enterprise Server, they use BlackBerry Internet Service.
The BlackBerry Internet Service is provided by the mobile service provider and accounts registered with them. Real Point has set up accounts and connected them to the BlackBerry Internet Service which works through the company's Outlook Web Access (OWA) to send and receive email to and from the handset.