Free Sip Downloads

Embedded Windows CE VOIP SIP Developers Kit

Embedded VOIP SIP Developers Kit

Research Lab Inc

Embedded Windows CE VOIP Developers Kit is your embeddedtelephony solution for developing software/hardware to enable device to device phone calls using SIP/H323 phone right at the electronics level.

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SIP activeX to add SIP based IP-Telephony.

VaxVoIP SIP activeX SDK

VaxSoft Inc

VaxVoIP SIP SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based IP-Telephony make and receive phone calls feature in your web pages and software applications. You can easily develope net-to-phone apps & web pages.

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Wireless network packet monitor and analyzer

CommView for WiFi


CommView for WiFi is a powerful wireless network monitor and analyzer for 802.11 a/b/g networks. With CommView you can see the list of network connections and vital IP statistics and examine individual packets.

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Call conferencing software.

Quorum Call Conference Software

NCH Swift Sound Software

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

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Comprehensive network firewall

Kerio WinRoute Firewall

Kerio Technologies, Inc.

This software is an ICSA certified gateway firewall for small to medium organizations. It comes equipped with unified security, web content filter, employee monitoring, bandwidth controls and VPN.

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Free SIP Phone. Use with any SIP/VOIP service

3CX VOIP Phone for Windows

3CX Ltd

Free VOIP / SIP phone. Use your PC as a phone. Works with any SIP/ VOIP provider/ phone service. Easy to use interface to transfer, forward calls or set-up conference calls. Free download from

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Axon Virtual PBX Software for Call Centers

Axon Enterprise Virtual PBx System

NCH Software

Axon Enterprise is a fully featured pbx server without restrictions to manage calls within a business or call center environment. Any business can implement this scalable PBX solution.

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Make FREE pc-to-pc and pc-to-phone calls

Freecallme PcPhone


Make FREE pc-to-pc and pc-to-phone calls over Internet and ISDN/PSTN and SIP network. PC-Telephone is a powerful communications software that enables you to exploit the full communications potential of the Internet and public telephone networks ISDN/

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Merak Mail Server Suite for Windows

Merak Mail Server

IceWarp Merak Mail Server

A multiple award winner, Merak Mail Server is a reliable, easy to use mail server that is used by more than 30 million users worldwide. With Integrated Antispam and Antivirus it represents modern secured e-mail solution.

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SIP Phone DLL Total Website VOIP Solution


Research Lab Inc

SIP Phone DLL allows to make PC-PC, PC-phone, or phone-phone calls or create Instant Messaging (IM) sessions over the Internet VOIP SIP Phone SDK brings protocol support for ActiveX. With this SDK one can create a simple web site voip service.

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