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NCH Software is a leader in audio, video, dictation, business, and computer utilities software for Windows and Mac OS X. NCH Software has released over 80 products since 1993 and continues to receive awards for software excellence.

3CX VOIP PBX - provides an easy to use, plug and play SIP - IP PABX for Windows. With a software based IP PBX you will save on PBX maintenance and halve your phone bill. Download the FREE edition today and break free from your proprietary phone syste...

Linphone, Free SIP VOIP client, open-source voip software for Linux, windows, mac, iphone, android. Free sip voip sdk.

Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

MicroSIP is a portable SIP softphone based on the PJSIP stack available for Microsoft Windows operating systems. It facilitates high quality VoIP calls (p2p or on regular telephones) based on the open SIP protocol.

Cheap international VOIP calls. SIPDiscount delivers your call to the PSTN networks with the latest technologies at the best possible rates. Setup your SIP/IAX device for SIPDiscount and start saving big time!

Free Zoiper softphone, Web Phone & SDK for windows, mac, linux & mobile phones. Get your own OEM branded and customized softphone. Free Download

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Music, movies, TV, shows and now friends. Get connected on iTunes 10.

Cisco (NASDAQ: CSCO) is the worldwide leader in networking that transforms how people connect, communicate and collaborate.

Get Business VoIP Phones, VoIP Phone Systems and other VoIP Equipment for your VoIP solution. VoIP Supply is North America’s leading supplier of VoIP equipment and hardware. Over 85,00 served since 2002.

SIP Tester, free download. SIP Tester 3.1: SIP tester is a free VoIP load testing tool to check SIP hardware or software.