Blink (SIP client)

Short description: Free Voice-over-IP software

Blink

Developer(s)| AG Projects
Initial release| December 1, 2009 (2009-12-01)
Stable release|

Blink Pro for macOS 5.2.0 (June 26, 2021; 5 years ago (2021-06-26)) [±] [1]

Blink for Windows 5.2.0 (February 27, 2022; 4 years ago (2022-02-27)) [±] [2]

Blink for Linux 5.2.0 (June 9, 2022; 4 years ago (2022-06-09)) [±] [3]

Repository| https://github.com/AGProjects/blink-qt
Written in| Python
Operating system| macOS, Microsoft Windows and Linux
Size| 30M Cocoa version
20M Qt version
Available in| English
License| Blink License (free software versions + Shareware versions)[4]
Website| icanblink.com

Blink is a Session Initiation Protocol (SIP) client distributed under the Blink license (GNU GPLv3 with an exception to permit the inclusion of commercial proprietary modules).[4][5]

The software is written in Python for macOS's Cocoa, with a later port to Qt for supporting Microsoft Windows, Linux, AmigaOS.[6][7]

## Contents

* 1 Features
* 1.1 Alternative to Skype
* 1.2 Privacy and Security
* 2 References
* 3 External links

## Features

Blink is based on the Session Initiation Protocol, and beyond voice over IP, its features also include video, instant messaging, file transfer and multi-party conferencing sessions based on MSRP protocol, remote desktop sharing using RFB protocol (VNC), and SIMPLE presence using XCAP protocol. Compatible with Asterix.[8]

### Alternative to Skype

According to Jason Hibbets, an Advisor at Red Hat, Blink is a popular alternative to Skype[9]

### Privacy and Security

The Linux and macOS version of Blink implement OTR protocol end-to-end encryption and peer verification for chat media.[6][10] All versions provide audio and video media encryption using ZRTP.

## References

1. ↑ "ChangeLog for Blink Pro (MacOSX version)". 17 February 2021. http://icanblink.com/changelog-osx/.
2. ↑ "ChangeLog for Blink for Windows)". 17 January 2020. http://icanblink.com/changelog-windows/.
3. ↑ "ChangeLog for Blink (Linux)". 17 February 2021. http://icanblink.com/changelog-linux/.
4. ↑ 4.0 4.1 "Help for Blink Pro and Blink Lite for OSX". http://projects.ag-projects.com/projects/blinkc/wiki/Help_For_Blink_Pro#Differences-between-Pro-and-Lite-versions.
5. ↑ BlinkPro. Stand 13. Dezember 2012
6. ↑ 6.0 6.1 "NLnet; Blink Qt Messaging". 2022-08-19. https://nlnet.nl/project/Blink-OTR-OpenPGP/.
7. ↑ "The Blink (SIP client) Open Source Project on Open Hub". https://www.openhub.net/p/blink-sip-client.
8. ↑ Newton, Rusty (2014-01-30). "Installing Blink SIP client - Asterisk Project - Asterisk Project Wiki". https://wiki.asterisk.org/wiki/display/AST/Installing+Blink+SIP+client.
9. ↑ Hibbets, Jason (2011-05-27). "Poll: Open source alternatives to Skype | Opensource.com" (in en). https://opensource.com/life/11/5/poll-open-source-alternatives-skype.
10. ↑ "Download Blink". 14 January 2016. http://icanblink.com/download/. Retrieved 22 June 2016.

* Adrian Georgescu (AG Projects) "Blink, SIP beyond VoIP".

## External links

* Homepage

* v
* t
* e

Instant messaging

Protocols
(comparison)|

| Open|

* IMPP
* IRC
* Matrix
* MTProto
* RetroShare
* Signal Protocol
* SIP
* MSRP
* SIMPLE
* Tox
* XMPP
* Jingle
* WFP
* Zephyr
* DDP

|

Closed|

* MSNP
* OSCAR
* TOC
* Skype

Services|

* Band
* BBM
* Discord
* Facebook Messenger
* FireChat
* GroupMe
* Hike Messenger
* HipChat
* ICQ
* iGap
* iMessage
* IRC Networks
* Jongla
* KakaoTalk
* Kik
* Libon
* Line
* Marco Polo
* Palringo
* Signal
* Skype
* Slack
* Snapchat
* SNOW
* Tango
* Telegram
* QQ
* Textfree/Pinger
* The Palace
* Threema
* Tox
* Trillian
* Upptalk
* Viber
* Virtual Places Chat
* WeChat
* WhatsApp
* Wickr
* Windows Messenger service
* Yahoo Together
* Zulip

Clients
(comparison)|

| Single protocol|

* Allo
* Baidu Hi
* BBM
* CSipSimple
* Facebook Messenger
* FaceTime
* Fetion
* Gadu-Gadu
* GroupMe
* IBM Sametime
* ICQ
* IMVU
* Jami
* Jongla
* Linphone
* Palringo
* RetroShare
* Ricochet
* Riot.im
* Signal
* Skype
* Telegram
* Tencent QQ
* Tox
* WeChat
* WhatsApp
* Wickr
* Wire

|

Multi-protocol|

* Adium
* Ayttm
* BitlBee
* Centericq
* eBuddy
* Empathy
* Fire
* Instantbird
* Jitsi
* Kopete
* Messages/iChat
* Miranda IM
* Nimbuzz
* Pidgin
* QIP 2010
* Skype for Business
* Trillian
* Telepathy
* Upptalk

XMPP (Jabber)|

* Bombus
* ChatSecure
* Conversations
* Gajim
* Psi
* Tkabber
* Spark

MSNP|

* aMSN
* Skype

Defunct|

* List of defunct instant messaging platforms

See also|

* Backchannel
* Chat log
* Chatbot
* Contact list
* Emoticon
* File sharing
* Instant message service center
* LAN messenger
* Messaging apps
* Presence information
* Shoutbox
* SMS language
* Status message
* Videotelephony
* Voice over IP
* Webcam
* U-Report
* Web chat
* Circuit
* FirstClass
* Flock
* Fuze Box
* Glip
* Hall.com
* Yammer

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