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

blink, a state of the art, easy to use sip client. you can use it with any sip provider or its own fullyfeatured sip service.

voice over ip

* hd audio (g722/speex)* pstn compatible (g711)* encryption (srtp)* nat traversal (ice)* multiparty conferencing

instant messaging

* chat sessions (msrp)* sms (sip message)* encryption (tls)* richtext, emoticons* composing indication

presence

* presence (simple)* rls services* offline status* serverside storage (xcap)* buddylist syncronization

file transfers

* exchange files (msrp)* encryption (tls)* drag and drop photos* works behind nat* retry transfers

desktop sharing

* help family remotely* collaboration at work* surf internet together* integrated with audio* works behind nat

blink pro features

* osx integration (icloud sync, itunes, address book, keychain, voice over)* video calls* endtoend audio and video encryption (zrtp)* history menu for outgoing and incoming calls* history browser* system address book external plugin (can dial with blink from address book)* answering machine* call transfer and call recording* ldap directory search* launch external application on incoming calls* phone number translations

Links to official Blink sites

Official Website
Twitter

Features

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

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end-to-end-encryption filter is active.

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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)
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Video calling Multiple Account support Group chat WebRTC End to end encryption Multiple protocols iPhone/iPod sync OTR
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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)
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Video calling Decentralized End to end encryption Peer To Peer Distributed
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Conversations

Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].

Free Open Source Android Android Tablet

Group chat Encrypted chat Decentralized End to end encryption Self destructing messages OTR Picture sharing

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Blink

Links to official Blink sites

Features

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The Best 5 Blink Alternatives

Signal

Jitsi

Wire

Ring

Conversations

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