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Editor's pick | update

Asterisk is the world�s leading open source telephony engine and tool kit.
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GPL Fair (2.4/5) 4,132 Telephony May 8th, 2012 GMT |
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NEW

Gspeakfreely is a VoIP system with a flexible component system.
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GPL NOT RATED 362 Networking June 26th, 2006 GMT |
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NEW

Zfone uses a new protocol called ZRTP, which is better than the other approaches to secure VoIP.
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Freely Distributable Good (3.3/5) 1,840 Internet Phone May 24th, 2006 GMT |
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update

Ventrilo is the next evolutionary step of Voice over IP (VoIP) group communications software.
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Freeware Good (3.8/5) 68,977 Conferencing November 17th, 2005 GMT |
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