Linux is a popular open-source operating system and if you are a Linux user and looking forward to some Voice over IP (VoIP) software so that you can make free or cheap calls then you are at the right place. Check out some best free VoIP software for Linux users. Have you tried to play Windows games on Linux?
Ekiga formerly known as GnomeMeeting is an open-source VoIP and video conferencing application and perhaps one of the best free VoIP software for Linux users. Ekiga lets you to make voice and video calls over SIP and H.323 protocols.
Skype is one of the most popular VoIP application used my many. Skype for Linux is not a Linux open-source, supports peer-to-peer Voice over Internet Protocol (VOIP) software for computers running on Linux. Linux users can make free or cheap calls via Skype. No Session Initiation Protoco (SIP) configuration is required.
Linphone lets you to call your friends and family freely anywhere via voice, video and text instant messaging. It uses SIP protocol.
Empathy has been the default messaging application on many Linux distributions, including Ubuntu. It supports text, voice, video calls along with file transfers over different protocol.
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5. Twinkle Phone:
Twinkle is another best VoIP software for instant message communications using SIP protocols. It supports direct IP phone to IP phone communication or a network using a SIP proxy to route calls.
Jitsi is formerly SIP Communicator, one of the best Linux VoIP software. It supports SIP, XMPP, AIM, Windows Live, Yahoo! and ICQ. It also runs on Windows and Mac.
KPhone is a SIP UA for Linux, which has support for a multitude of features.
Are you a Linux user? Which is the best free VoIP software for Linux you use? Do share your views!