MicroSIP

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 protocol.

Free
Open Source
Windows

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 protocol. from cloud of sip providers you can choose best for you, register account and use it with microsip. you'll get free p2p calls and cheap international calls.

main in microsip:

small ram usage (< 10 mb) written in c and c++ with minimal possible system resources usageusability user friendly in daily usagefunctionality voice, messaging, presencecompatibility strongly conform to sip standardsvoice quality supports best voice codecsportability stores setting in ini file

Links to official MicroSIP sites

Official Website
Twitter

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The Best 8 MicroSIP Alternatives

video-calling filter is active.

324 Like

Signal

TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or...

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Chrome

Privacy protection Security focused Built in File transfer Works Offline Video calling Voice Call Group chat Texting Voice messages Protected by Password Encrypted chat End to end encryption Cross platform Encrypted Connection Mobile friendly Self destructing messages Color coding Based on phone number Private messaging Encrypted calls Encrypted VoIP calls Forward Secrecy Send files Video chat (Encrypted)
265 Like

Jitsi

Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR, ZRTP...

Free Open Source Mac OS X Windows Linux Android BSD Web

Video calling Multiple Account support Group chat WebRTC End to end encryption Multiple protocols iPhone/iPod sync OTR
144 Like

Wire

Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group chats, file sharing, audio and video messages - everything is end-to-end encrypted.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Web

Privacy focused Security focused Share your screen Video calling Voice Call Group chat WebRTC Encrypted chat Photo Sharing End to end encryption Integrated File Sharing Privacy Protected Encrypted calls Video chat (Encrypted)
101 Like

Linphone

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 messaging.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet Web Windows Mobile

Video calling Encrypted VoIP calls
63 Like

Ekiga

Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323 and SIP protocols.

Free Open Source Windows Linux

Portable Video calling No login
19 Like

X-Lite

Combining voice calls, video calls and Instant Messaging in a simple interface, CounterPath's X-Lite helps you seamlessly transition from a traditional phone environment into the world of Voice over IP.

Commercial Mac OS X Windows

Video calling Voice Call
17 Like

Blink

Blink, a state of the art, easy to use SIP client. You can use it with any SIP provider or its own fully-featured SIP service.

Freemium Mac OS X Windows Linux

Share your screen Video calling End to end encryption Integrated File Sharing Sync with iCloud
3 Like

Silent Phone

Silent Phone – Secure Encrypted Video & Voice Mobile Phone Calls You now have the ability to have secure encrypted phone calls between Silent Circle members...

Commercial Android iPhone Android Tablet iPad

Video calling Voice Call Encrypted chat Encrypted calls

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MicroSIP

Links to official MicroSIP sites

Features

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The Best 8 MicroSIP Alternatives

Signal

Jitsi

Wire

Linphone

Ekiga

X-Lite

Blink

Silent Phone

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