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An open source telephony switching and private branch exchange service. Allows peer-peer calling using a variety of voice over internet protocols.
http://asterisk.org
PageRank: Not available
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VoIP provider for business and residential customers. No service charges.
http://www.asylumtel.com
PageRank: Not available
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VoIP provider offers full feature set with voice mail, caller ID, etc. Requires supplied broadband phone adapter.
http://www.broadvoice.com/
PageRank: Not available
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Pre-paid VOIP services. H.323 IP phone, gateway, gatekeeper, NetMeeting or any other H.323 compliant terminal necessary.
http://www.calldaddy.com
PageRank: Not available
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A full featured VoIP/broadband phone to phone service primarily for calls within the US.
http://www.calleveryone.com
PageRank: Not available
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PC-to-Phone service for outbound calls only. Software download required.
http://www.callserve.com
PageRank: Not available
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VoIP service for phone-to-phone with adapter or peer-to-peer.
http://www.dial2home.net/
PageRank: Not available
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Offers monthly billing and pre-paid PC-to-Phone VoIP services. Also supports broadband telephone adapter for use without PC.
http://www.dialpad.com
PageRank: Not available
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Provides Voice over IP and telecom service to international clients.
http://www.downetworks.com
PageRank: Not available
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Prepaid system for PC-to-phone and web initiated phone-to-phone using VoIP.
http://www.efonica.com
PageRank: Not available
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Offers VoIP-based PC-to-Phone, Broadband Phone and Calling Card services.
http://www.iconnecthere.com/
PageRank: Not available
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Softswitch services such as routing, billing as well as VoIP call termination.
http://www.ipcb.net
PageRank: Not available
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Wholesale voice over internet services.
http://www.isphone.net/
PageRank: Not available
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PC to phone service based in Thailand. Software download required.
http://www.meaphone.com
PageRank: Not available
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PC-Phone or device-to-phone United Kingdom based service.
http://www.mywebcalls.com/
PageRank: Not available
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