HEATKEYS

Freecall gets you the cheapest international calls of the internet !

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

The fastest and easiest way to get a SIP account for free video calling over the Internet. Register your SIP address with any VoIP phone or use our free internet phone for secure calling.

The Award Winning Business Phone Service over the Internet. OnSIP business VoIP service is a hosted pbx system that allows you to streamline your business communications. There’s no phone company hassle, no phone system to buy or manage, no contracts

Principal operateur de VoIP utilisant le protocole SIP. Offres r?dentielle, business et call centers disponibles via un Compte SIP ou Trunk SIP multi-canaux.

Voipcheap is your solution for free phone calls and cheap phone calls! You can call via your fixed and mobile phone or via your computer. The possibilities are endless!!

This is the VoIP SIP Broker service. SIPBroker is a free open peering service.

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YouTube is a place to discover, watch, upload and share videos.

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...

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

Internet phone service for your home or office. Pay per call and Unlimited rate plans, phone numbers worldwide. Sign up for a free account today.