Blink is a state of the art, easy to use SIP client. It is elegant, intuitive to use and feature-full.
Blink can be used on the LAN without an account or can be configured with a SIP account obtained from a SIP service provider.
For support go to http://icanblink.com/help-pro.phtml
* Very simple to setup and use
* Support for multiple SIP accounts
* High Quality Wideband Audio
* Multiparty Conferencing for all supported media
* Speakerphone with Acoustic Echo Cancellation
* iCloud support for account syncing
* Keychain password storage
* Voiceover accessibility support
* Address Book contacts integration
* Pause and resume iTunes, Spotify and VLC
* Answering Machine and Auto-Answer
* G722, Speex, G711, GSM and iLBC codecs
* Dialpad, DTMF, Hold, Transfer and Recording
* Many Call Automation Features
* Instant Messaging (MSRP protocol)
* File Transfers (MSRP protocol)
* Contacts Management (XCAP protocol)
* Directory Services (LDAP protocol)