Twinkle is a soft phone for your voice over IP communcations using the SIP protocol. You can use it for direct IP phone to IP phone communication or in a network using a SIP proxy to route your calls.
When deciding on the best Twinkle softphone alternative, consider these alternatives. Check out these other software with a similar interface and features as well.
Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live...
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Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the internet, with voice, video, and text instant...
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MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack. It allowing to do high quality VoIP calls (P2P or on regular telephones) via open SIP...
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QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship product of the QuteCom project is a...
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Firefly softphone is the easiest way to try Freshtel's great service from the comfort of your PC. Available completely free it offers many advanced features such...
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Encrypted secure Calls with CallProtector! App available on iOS & Android With CallProtector you can call others in a secure way, you only need working...
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A top-notch anonymous MESSENGER encrypted in blockchain. A Blockchain-based system for data and message transfers along with an integrated payment system are providing...
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