3CX Phone System for Windows Free edition is an IP PBX that completely replaces a proprietary PBX, supports standard SIP soft/hard phones, lowers call costs via VOIP service providers whilst still supporting traditional PSTN phone lines. Developed for Windows - Easy to install and configure! Scaleable to thousands of extensions & eliminates the phone wiring network. Download FREE edition with no limitations or time outs.

Phoner is a free softphone for ISDN and VoIP telephony. An answering machine and Text-To-Speech support complete the large package.

VoIPerized is a so called VoIP (Voice over IP) program. VoIPerized enables you to make free audio calls to other people who also run VoIPerized. When making VoIPerized the focus was to minimize the latency, because other VoIP programs always seemed to have an irritating lag which makes the conversation seem unnatural. By using the open source Speex audio codec the audio quality is far higher than any normal telephone call.

VoIP SIP SDK - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications. Our brand-new 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. It accelerates the development of SIP/ RTP compliant soft phone with a fully-customizable user interface and brand name.

Own outgoing call number: optionally can be transferred also the existing fixed net number (even if the call number is with another offerer) with. For this it will have over a validating guaranteed that the number exists. For this Siphome (as with ENUM) sets also on the proven recall procedure with a code.

Add life to chat! Loco4chat is a free add-on software for any chat & VoIP application. It lets you play over 150 funny sound clips during chat and VoIP (Voice over IP) conversations. You can add any of your audio files and even record your own funny voices. Loco4chat is 100% free and supports Live Messenger, Yahoo Messenger, Skype, AOL AIM, ICQ, QQ, GTalk, Xfire, TeamSpeak, Ventrilo, Camfrog, Sipphone, Express talk & Paltak. Have fun :-)

VoIP Can offer a significant savings for a small, medium or large office. Free enterprise grade VoIP PBX and web based fax solution. Features extensive "movie walkthroughs" to step you through the installation and administration of the software. LiveCD and installation CD Features: Easy web based administration. Rock solid platform. Industrial Grade Hylafax Fax solution with web based faxing and print-to-fax capability.

VoIP Monitor enables you to measure and track performance of voice quality across WAN links. Leveraging Cisco® IP SLAs, VoIP Monitor collects and analyzes VoIP performance statistics including MOS, jitter, network latency, packet loss and other important quality of service (QoS) metrics. These features enable you to proactively find the root cause of VoIP performance degradation and measure expected voice quality in advance of a VoIP deployment.

Buzzfonp2p is the latest voip software or peer to peer application that you can now download for free to call unlimited worldwide! Download this free voip software/application right now and start calling your friends, loved ones, business associates in minutes!

Free VOIP / SIP phone. Use your PC as a phone. Works with any SIP / VOIP provider/ phone service. Use instead of the soft phone provided by your VOIP provider which locks you into their VOIP phone service. Easy to use interface to transfer, forward calls or set-up conference calls. Call log, call statistics & phone-book. Available in English, German, Spanish, French & Portuguese. Free download from http://3cx.com.

VOIP Phone Buddy for SKYPE adds automatic telephone dialling to almost any windows application, using SKYPE OUT VOIP telephony, including Microsoft Internet explorer, Microsoft CRM, Microsoft, Access, Microsoft Outlook, Goldmine, ACT, other CRM and Accounts packages etc. Install in minutes Use with almost any windows software Cheap national and international SKYPE OUT Call History logged Ideal for single users and small businesses

VSoft features includes unlimited free VoIP to VoIP call (PC to PC), free video call, low cost VoIP to home/mobile call, send SMS, confrence, SMS to call, VoIP bridge. It is free to download and easy to install.