Blink Pro

Blink Pro

Mac OS Social Networking


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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 (SIP 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:

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What's New

* Added VP8 codec
* Added pause/resume for file transfers
* Added call history for bonjour sessions
* Added display name to session history table
* Added encryption field to history session table
* Fixed rendering per contact history items
* Fixed redial Bonjour contact
* Fixed selecting remote video aspect ratio
* Fixed opening semi-HD cameras of latest 2 inch Macs
* Fixed contact matching for outgoing calls
* Don't play encryption sounds if ZRTP not supported
* Handle double click of bonjour contact in history contacts list
* Improve session history management
* Save session encryption information to history database
* Update history items after call was logged to history
* Show entry in missed calls group if call back failed

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