Busy entrepreneurs cannot be at their desk twenty four hours a day, seven days a week. Wouldn’t it be great if you could have your calls routed to your mobile phone, or find out who has called you first without having to wade through a large amount of voice mail messages when you get back to the office?Until recently the costs of buying a phone system that provides the above facilities and more, was and still is astronomical. Now companies have an alternative.Newly developed software packages ar.