HEATKEYS

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...

the best softphone for service providers

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.

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

Free pc-to-pc, cheap pc-to-phone, pc-to-fax, phone-to-pc calls over Internet, LAN or ISDN/PSTN telephone networks. Use your PC as internet telephone, ISDN phone, USB phone, USB handset, answer phone, fax and voicemail for pc-pc, pc-phone, pc-fax, pho...

adore softphone offers softphone,IP Phone,IP Telephony, pc to phone, web to phone, click2call, mobile dialer,windows Mobile,symbian mobile,voice recording

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PC to Phone and PC to PC & SIP VoIP Information. Use PC to Phone VoIP to make cheap Long-Distance calls using your computer

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

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