If it is not available you will have to rely on a slower analog telephone connection. Basic Extranets can often be set up quickly and easily through your Internet Service Provider along with your firm's Web site, simply by password restricting certain areas of the Web site for the private use of your clients and yourself. On occasion, you will need a second voice line to set up conference calls. Information Management Client and contact addresses, calendars, dockets, and case and matter information should all be tracked electronically. For a small practice MS Outlook can serve as a personal information manager and e-mail client.
Document management is another area to consider.
If you use a document management system now, you should probably invest in one. As a general rule start with the software you are using now. You can also backup data to recordable CD-R disks. Mega Big Firm is in a cocoon of building and office security, with receptionists and secretaries around all the time, and doesn't have children and their friends who would love nothing better than to play on your computer. Install virus protection software and keep it updated.