Telecommunications service provider seeks address management

We are a telecommunications service provider and are looking for address management software.

The software should meet the following requirements:

• Address management for approximately 30,000 entries
• Postal address
• Contact person
• Geographic coordinates
• Access information (if applicable)
• Entries must be updatable by any user - including technicians who are on the go
• Entries must be available to other users
• Web-based

Approximately 50 software workstations are planned.