You will rethink the industry standard VOIP benefits by using this featured SIP softphone. SIP is better than you may think! Stay connected with multiple SIP service providers to maximize your revenue.

MAX Phone is the latest VoIP application from MAIN Telecom, allowing users to enjoy rich real-time communications.

Quorum is software which runs as a phone conference server on any Windows PC. Callers dial into the server to join telephone conferences.

IVM is a telephone answering machine, voice mail, phone attendant and interactive voice response (ivr) program for Windows computers with voice modems or professional telephony line devices.

VoIP SIP SDK - A powerful and highly versatile VoIP SDK. Our SIP SDK provides a powerful and highly versatile solution to add quickly SIP (Session Initiation Protocol) based dial and receive phone calls features in your software applications.

PC-to-Phone, PC-to-Fax, PC-to-PC, Phone-to-PC over Internet or ISDN - callerID

Free VOIP / SIP phone (softphone). Use your PC as a phone. Works with any SIP / VOIP provider and phone service. Easy to use interface to transfer, forward calls or review history of calls. Free download from http://www.3cx.com

Do you want to track down some important telephone conversations in a convenient way? MiaRec is a software for recording your conversations in any of Voip protocols (H.323, SIP, MGCP, Cisco SCCP).

OfficeSIP Alerter is a simple, easy-to-use and free instant sip messenger. It was not designed for prolonged chat, it is handy when you need to send single message. It is good replacement for old-fashioned Alerter Service.