daCAPI

ZOIPER Communicator is a very intuitive SIP softphone, with presence, chat, video and fax. Very stable, small footprint, skinnable, and with encryption support.

United States ZIP codes database one month subscription service. The database includes ZIP code, city name, alias name, state code, area code, city type, county name, FIPS, time zone, day light saving flag, latitude, longitude and county elevation.

Freeware SIP Interactive Voice Response System for Windows

Caller ID and notebook program: Identify who`s calling you, find out related memos and files immediately when people call you again! This program works with a modem and a phone line.

Advanced Contact Manager is a simple contact management solution for your sales and technical support teams to keep track of your customers, open issues and call and contact history.