This is a comparison of voice over IP (VoIP) software used to conduct telephone-like voice conversations across Internet Protocol (IP) based networks. For residential markets, voice over IP phone service is often cheaper than traditional public switched telephone network (PSTN) service and can remove geographic restrictions to telephone numbers, e.g., have a PSTN phone number in a New York area code ring in Tokyo.
For businesses, VoIP obviates separate voice and data pipelines, channelling both types of traffic through the IP network while giving the telephony user a range of advanced abilities.
Free Internet phone service is out there, but it has its limits. Free Internet phone services use VoIP to transmit your calls across the web or to a phone line. All free Internet phone services require a computer and a headset or microphone. These free software offer various features, like: make free landline phone calls from your PC to various countries, make VoIP calls through internet, gives you the option to use multiple sip profiles, lets you connect with your friends and relatives, offers video conferencing service, screen sharing and instant messaging services, gives you the special facility to make free calls in USA and Canada, make unlimited free PC to PC calls.
Softphones are client devices for making and receiving voice and video calls over the IP network with the standard functions of most original telephones and usually allow integration with VoIP phones and USB phones instead of using a computer's microphone and speakers (or headset). Most softphone clients run on the open Session Initiation Protocol (SIP) supporting various codecs. Skype runs on a closed proprietary networking protocol but additional business telephone system (PBX) software can allow a SIP based telephone system to connect to the Skype network.[1]Online chat programs now also incorporate voice and video communications.
Free Voip Calling Software For Windows
Other VoIP software applications include conferencing servers, intercom systems, virtual foreign exchange services (FXOs) and adapted telephony software which concurrently support VoIP and public switched telephone network (PSTN) like Interactive Voice Response (IVR) systems, dial in dictation, on hold and call recording servers.
Some entries below are Web-based VoIP; most are standalone Desktop applications.
Desktop applications[edit]
Discontinued softphone service[edit]Mobile phones[edit]
For mobile VoIP clients:
Frameworks and libraries[edit]
Server software[edit]
Secure VoIP software[edit]VoIP software with client-to-client encryption[edit]
The following table is an overview of those VoIP clients which provide end-to-end encryption.
VoIP software with client-to-server encryption[edit]
The following table is an overview of those VoIP clients which provide client-to-server encryption.
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See also[edit]References[edit]
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Comparison_of_VoIP_software&oldid=918049015'
Having a SIP account gives you the freedom to communicate through VoIP. Among the benefits is the ability to make and receive free phone calls to other SIP users worldwide, and to use a softphone software of your choice without being tied to what one VoIP service provider offers. Here are the best free SIP softphone apps and where to get them.
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X-LiteWhat We Like
What We Don't Like
X-Lite is arguably the most popular SIP-based softphone app, widely used by individuals and business people alike. It's well-designed with a lot of features including QoS and a long list of codecs. CounterPath positions their free, entry-level app as an enticement for clients to purchase their more enhanced products such as EyeBeam and Bria.
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EkigaWhat We Like
What We Don't Like
Formerly known as GnomeMeeting, Ekiga is general public license software for GNOME (Linux) and Windows. It offers all the basic features needed for good, fluid SIP communication in a clean, clear interface. Ekiga also offers free SIP accounts. You can use Ekiga for both voice calling and video conferencing.
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JitsiWhat We Like
What We Don't Like
Jitsi is a Java-built open-source instant-messaging (IM) application loaded with features. Along with other IM features, it also allows voice and video communication through SIP. Other interesting features include call recording, IPv6 support, encryption, and support for many protocols.
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Free Voip Phone Software DownloadLinPhoneWhat We Like
What We Don't Like
LinPhone is open-source software for Windows, MacOS, and Linux, plus Android and iPhone mobile platforms. LinPhone allows voice and video communication with a lot of interesting features, including many codecs, support for IPv6, echo cancellation, bandwidth management and more.
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BlinkWhat We Like
What We Don't Like
Blink is simple but has all the features you need to make voice and video calls over SIP. Available for Windows, MacOS, and Linux, it's distributed under a GPL license.
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EmpathyWhat We LikeFree Voip Phone Software For Pc
What We Don't Like
Empathy is more like an instant-messaging app that is also a fully featured SIP app. It works with many other protocols, as well. However, Empathy is strictly Linux software. It offers a full complement of features and compares well against instant-messaging tools that run on Android and other common platforms.
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MicroSIPWhat We Like
Free Voip On ComputerWhat We Don't LikeFree Voip Calling Software
MicroSIP is a free, open-source app that allows high-quality VoIP calls through SIP. It gets the job done without any surplus features, making it very light on resource usage and very nice to use if you just want to communicate simply and plainly. MicroSIP is a portable app.
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