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Internet Phones

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Name Description
Mumble Low latency VoIP client
Ekiga H.323 and SIP compatible VoIP client
Jabbin Jabber IM client with VoIP support
Kiax IAX VoIP softphone
Coccinella Communication tool (XMPP/Jabber) with a built-in whiteboard
TeamSpeak VoIP chat for online gaming (server)
Twinkle Voice over Internet Protocol (VoIP) SIP Phone
Skype client for Skype VOIP and instant messaging service
Asterisk GUI Client GUI client application for the Asterisk open-source PBX
SJphone VoIP Internet phone
WengoPhone SIP-based software telephone with video and chat (transitional package)
Ventrilo surround sound voice communication software
X-Lite VoIP Internet phone
Kphone Voice over IP (VoIP) phone application
Zfone Secure Voice over IP (VoIP)
Flash Operator Panel switchboard type application for the Asterisk PBX
Shockvoice Server voice-over-ip communication tool similar to Teamspeak
ISDNvbox ISDN utilities - answering machine dependency package
Trixbox Setup a VoIP phone system
FreePBX Set up an Asterisk VOIP PBX
Siproxd SIP proxy/redirect/registrar
Linphone SIP softphone - graphical client
AsteriskNOW GUI for the Asterisk IP PBX software
sipXecs open source alternative to commercial private branch exchange (PBX) systems
Mangler Ventrilo compatible client for Linux