A state of the art, easy to use SIP client
Available for Mac, Windows and Linux
Blink is the best real-time communications client using SIP protocol.
You can use it with many SIP providers, on the LAN using Bonjour and SIP2SIP free service.

Blink is elegant, simple to use and feature-full

Free Edition
VIP Edition


Blink Qt for Linux and Windows
with HD Video and ZRTP encryption

Blink Pro and Lite for OSX
with ZRTP audio/video encryption

Blink for Linux
and Microsoft Windows
Blink Pro for Mac
OSX 10.9 or higher

Address Book plugins for OSX available
Download Here!

Voice and Video IM and Presence File Transfers Screen Sharing Conferencing

Voice over IP
Instant Messaging
File Transfers
Screen Sharing
  • Studio Audio Quality (Opus codec)
  • HD Video (H.264 codec)
  • Acoustic Echo Cancellation
  • End-to-end Encryption (ZRTP)

  • Chat Sessions (MSRP)
  • End-to-end Encryption (OTR)
  • Presence (SIMPLE)
  • Server Storage (XCAP)
  • File Sessions (MSRP)
  • Encryption (TLS)
  • Progress Reports
  • Delivery Confirmation
  • Help Family Remotely
  • Collaboration at Work
  • Surf Internet Together
  • Integrated with Audio
  • Manage Participants
  • VoIP, IM and Presence
  • File Transfers
  • Screen Sharing
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