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To download Blink Pro from the Mac App Store, you need a Mac with OS X 10.6.6 or later. Learn More.

Blink Pro

By AG Projects

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Blink is a state of the art, easy to use multimedia SIP client. It is elegant, intuitive to use and feature-full.

Blink can be used without an account on the LAN, or can be configured to use SIP accounts from any service provider. Free account sign-up to SIP2SIP free service is also provided in case you don't have a SIP account.

For support go to

* OSX Integration (iCloud, iTunes, Address Book, Keychain, Voice Over)
* Audio (Opus codec) optimised for full spectrum audio
* Video (H.264 codec) supporting HD 720 @30fps
* Acoustic echo cancelation, no headsets needed
* Presence (SIMPLE RLS and XCAP protocols)
* Instant Messaging and File Transfers (MSRP protocol)
* Screen Sharing (Apple VNC over MSRP protocol)
* Multiparty conferencing (audio, chat and file transfers)
* End-to-end chat encryption (OTR protocol)
* End-to-end audio and video encryption (ZRTP protocol)
* Corporate directory services (LDAP protocol)
* Compatible with telephony applications (dialpad, call hold, call transfer)
* Fine-grained settings for SIP experts

The complete features list is available at

Known interoperability issues:

What's New in Version 4.1.0

* Added video view to audio drawer
* Added ZRTP support (RFC 6189)
* Added sending screenshot to video window
* Rename video device to video camera
* Fixed OTR SMP negotiation
* Improve user feedback during video session setup
* Change naming convention for screen capture filenames
* Allow scaling down of video window
* Improved contextual video menu and video transitions to and from audio drawer
* Fixed chat window toolbar
* Added Dutch translation
* Refactor video view transitions from standalone to chat and viceversa
* Fixed video transitions between chat and standalone modes


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Customer Reviews

Great SIP client

Very flexile and stable. Best of the many SIP clients I have tried. We use it with Callcentric.

Blink Pro
View in Mac App Store
  • $69.99
  • Category: Social Networking
  • Updated: Nov 15, 2014
  • Version: 4.1.0
  • Size: 31.6 MB
  • Languages: English, Dutch, Portuguese, Romanian, Spanish
  • Seller: AG Projects

Compatibility: OS X 10.6.6 or later

Customer Ratings

We have not received enough ratings to display an average for the current version of this application.
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