A state of the art, easy to use SIP client
Available for Mac, Windows and Linux

Changelog for Blink Pro (MacOSX version)

Changelog for Blink Qt is available here Blink Pro Changelog

Version 2.3.1

June 11th, 2013

Added compatibility with MacOSX Mavericks
Added notifications for MacOSX >=10.8
Added menu option to copy history contact uri to search bar
Fixed deleting source contact when merging
Fixed selecting None as audio device
Stop spinning wheel if authentication fails
Replace synthetic myself contact with handling new presence notification for myself
Bundle Python framework within Blink application

Version 2.3.0

May 9th, 2013

Added microphone signal level meter in Audio Drawer
Added button in Alert Panel to send call directly to Answering Machine
Added real-time replication of MSRP chat sessions with SIP2SIP accounts
Added menu item in Contacts menu to show Pending Contact Requests
Added paste capability to active audio session for sending DTMF tones
Set default application filter to Sessions in SIP Logs window
Print ICE negotiation results in RTP Logs window
Display RTP latency and round trip time in audio tile and RTP Logs window
Fixed contact dragging exception when searching
Refresh history menu after session has been saved to history database
Save previously used audio devices before switching to new audio devices
Display actual used default devices in Alert Panel
Fixed selecting audio devices on OSX 10.8
Drop duplicated incoming SMS messages
Improved logging for SMS messages

Version 2.2.0

March 25th, 2013

Added button to send call directly to voicemail
Added button to add call to existing conference
Added setting to enable on_the_phone automatic presence activity per account
Added audio recordings to contextul contact menu
Added menu item to send email invitation to conference room
Added copy to clipboard conference menu item
Fixed overlapping auto-answer text label
Check if account is not None
Fixed overlapping variable name
Remove debug statements
Show Presence status section in Bonjour account
Capture exceptions for unknown setting types
Auto-close session if cannot remove audio stream
Publish offline note when invisible
Bounce dock icon once when chat message is received but Blink is not on the foreground
Only bounce the dock icon once for missed calls
Account for incoming calls answered by machine as missed calls
Optimize sending screen captures in multi-party conferences
Print a friendly status line for timeout 408
Disable PJSIP assertions on recoverable errors
Avoid doing mDNS lookups with dnspython

Version 2.1.0

February 7th, 2013

Added Bonjour presence
Added global settings for extended debug
Fixed memory leaks in Bonjour discovery
Fixed memory leaks in Presence Subscriptions
Fixes in handling Conference info payloads
Fixed deadlock when cross instantiating conditional singletons
Fixed login compatibility with sip2sip.info new model
Fixed setting referenced presence contact for conference contacts
Improved History replication logs
Strip sip: from Bonjour contacts
Log all SIP applications by default in Logs window
Improve logging of add/remove conference participants
Handle remote icon different if remote is a focus
Improved new contact request menu
Closed chat tab instead of window on Cmd-w
Removed extra checks on SDP origin field (increases audio compatibility with broken SBCs)

Version 2.0.3

January 23rd, 2013

Added setting to reject audio calls for unauthorized contacts
Added add contact menu item to groups
Added move group to contacts list group textual menu
Fixed bugs in File Transfer window
Fixed session transfer after SDK API changes
Fixed released of video device resources in Photo picker
Update preferences window title with section name
Fixes when selected audio device is None
Renamed Messages to Instant Messages
Reject incoming sessions from blocked contacts
Enable contact contextual session menu items based on discovered capabilities
Auto-select account for which we have been authorized if contact has presence
Fixed allow drop file on top of syntetic search contact
Allow selection of uri when droping file on contacts
Fixed exception when droping ldap contact on top of other
Enable re-invites based on discovered capabilities
Enable contact contextual session menu items based on discovered capabilities
Check if uri is valid before inviting to conference
Fixed logging presence watchers
Display account used for subscription in log line
Added setting to disable session type based on using availability
Auto-select account for which we have been authorized if contact has presence

Version 2.0.2

January 11th, 2013

Added Presence compatibility with SIP2SIP service
Fixed availability publisher bugs
Fixed overwriting icon from XCAP
Fixed Hold behaviour in some corner cases
Fixed setting icon in contextual menu
Log ICE negotiation failure reason
Fixed migrating contacts from old contacts model
Load virtual groups first thing in SIPApplicationWillStart
Use digits only for contact usernames to improve interoperability
Search organization for system AB contacts
Internal refactoring of Enrollment window
Replace Merge contacts alert panel with a new window
Don't sent multiple growl notifications for new watchers

Version 2.0.1

December 28th, 2012

Added synchronization of availability when using multiple devices
Added support for HTTP urls in contact storage and availability updates
Added availability idle_threshold settings
Made improvements to the History browser
Added logging for Contacts availability to History
Added a separate icon for the synthetic Contact in the search results
Added filter SIP trace by application in Debug window
Fixed check if the Chat window is alive
Fixed processing remote icon if Contact is destroyed in the meanwhile
Fixed a test for supported audio codecs
Fixed checking uri types for Contacts
Fixed accepting a session if it was already cancelled
Do not allow edit of display name in the main window
Updated several GUI tooltips
Replaced Chat window history icon
Disable unused NAT type detection queries
Correlate alert panel actions with their corresponding sessions
Don't allow dial of anonymous uri from history viewer
Clean up URIs received from history server call detail records
Use digits only for contact usernames to improve interoperability
Search organization for system AB contacts
Internal refactoring of Enrollment window

Version 2.0.0

November 27th, 2012

Added Presence support (PUBLISH and SUBSCRIBE/NOTIFY methods using RLS) Detailed info available at http://projects.ag-projects.com/news/15
Added Address Book storage using XCAP rls-services and resource-lists
Added Presence Policy using XCAP org.openmobilealliance.pres-rules
Added Icon Storage using XCAP org.openmobilealliance.pres-content
Added Offline Presence using XCAP pidf-manipulation
Added XMPP interoperability for SIP2SIP accounts
Added publish for Status, Icon, Activity, Note, Timezone, User-Input and Media Caps
Added Presence Info Panel and render SIP devices on a world map
Added menu to select a particular uri when dragging contact to create conference
Added menu to select a particular uri when dragging contact to conference drawer
Added possibility to start sessions to specific devices (using GRUU)
Added view history menu item to History contacts
Added move conference to server functionality
Added back cmd-D shortcut key for Show dialpad
Added Blink system bar menu
Added a new multi-user avatar for messages originating from a conference focus
Added hint for how to use own Internet domain for a SIP account
Added GUI subsection in Account advanced section
Added custom label for account popup menu in GUI subsection
Fixed passing curently selected group to the Add Contact dialog
Fixed crash when enrollment for SIP2SIP account fails
Fixed validating Contacts backups
Fixed processing HTTP links with unicode characters
Fixed setting local hold state after direction was inactive
Fixed selecting audio device menu items in Mountain Lion
Fixed selecting built-in devices in Mountain Lion
Fixed setting display name and icon for invited participants in chat drawer
Fixed bug that triggered high CPU usage in case of poor connectivity conditions
Fixed several multi-threading issues in the middleware
Fixed Chat window toolbar menu items to work on retina displays
Fixed updating Chat window drawer when removing audio streams
Fixed check if audio input device is not None
Fixed chat message replication with history server
Fixed sharing contact widgets across groups
Fixed calling API functions on Snow Leopard
Fixed race conditions when deleting an account
Improved copy of SIP URI from Contacts
Improved layout of icons in chat window tab switcher
Improved chat connectivity failure logs
Improved title of alert panel depending on proposed media type
Improved re-usage of streams for chat sessions
Terminate session if a stream fails and can't be removed from the session
Activate Add contact button in Contact window if at least one uri is set
Print the reason when the configuration file is corrupted
Speak different text for incoming file transfer
Do not allow calling an anonymous SIP URI in History contacts
Avoid saving contact avatar multiple times
Simplify session starting wrappers
Log chat replication activity
Active app before showing presence info panel
Avoid saving default user icon for each contact
Do not print registration error in account popup if account register is false
Disable redial menu item if no redial uri available
Focus search box when typing while contact is selected

Version 1.9.0

July 23rd, 2012

Refactored Contacts Management. For more information see http://projects.ag-projects.com/news/9
Added chat messages replication with sip2sip.info service
Added window menu entry to open Chat conversations
Added nickname support for MSRP conferences
Added Cmd-F keyboard shortcut for search contact
Fixed handling failed chat messages when connection drops
Fixed critical exceptions in the debug window
Fixed memory leaks in session and stream management
Fixed race conditions in subscription for conference-info
Fixed accounting of media type when chat session is cancelled
Fixed race conditions in account registrar and subscription handler
Fixed deleting history entries
Fixed SDP connection address when initial request contained 0.0.0.0
Re-mapped window keboard shortcuts
Implemented Sandboxing
Removed stopping audio applications functionality
Removed automatic configuration migration from previous Blink versions

Version 1.8.3

June 4th, 2012

Added session history synchronization with sip2sip.info service
Lookup history menu entries in Contacts list
Fixed rendering and storage in history of chat text/html content type
Fixed refreshing chat drawer when session has ended
Fixed handling for Min-Expires header for REGISTER methods
Fixed handling for incoming INVITE with inactive audio offer
Fixed handling re-INVITEs with an empty body
Fixed displaying our own contact on Bonjour conferencing
Fixed discovery of Bonjour announced Conference servers
Fixed stopping outgoing ringtones in some situations
Fixed handling refresh interval from Min-Expires for SUBSCRIBE methods
Fixed parsing errors for SIP URIs
Fixed crash when the realm field is empty in authentication headers
Fixed memory leaks in Session Info panel
Fixed memory leaks in Chat Windows
Fixed memory leaks in Conference Panel
Fixed History Manager to be more resilient to DB errors
Fixed encoding of cyrillic characters in history database
Fixed setting session failure reason on local transport error
Fixed selecting audio recording icon
Re-init Session Info panel when re-connect chat session
Moved web alert settings under a separate section
Improved display of SIP account in the account popup button
Changed default history search period to Last Week
Don't use latin1 encoding from the history database
Handle callto: URLs dialled from external applications
Handle Command-W shortut in Chat window to close the window
Do not play dtmf tones for digits typed in the Search box
Added Show Chat Window menu item in Window menu

Version 1.8.2

May 3rd, 2012

Added AddressBook plugins for Phone, Email and URL fields
Fixed exception when logging a failed Call Transfer
Fixed setting Chat Window title when there is none to be set

Version 1.8.1

April 20th, 2012

Terminate all Sessions when going to sleep
Improved printing of SIP Registration errors
Improved handling of ringtones when in Silent mode
Turn off speech synthesis when in Silent mode
Fixed a race-condition when adding or removing a Stream
Fixed opening the Web Alert Panel after connect
Prevent waking up the computer by Bonjour events
Hide unnecessary scrollbar in settings section view

Version 1.8.0

April 5th, 2012

Added support for GRUU (RFC 5627)
Use GRUU contact for Call Transfer when available
Added general advanced GUI section
Added setting for when to display the Web Alert page
Added setting for the web browser used for alerts
Added account setting to specify the DTMF delimiter
Added typed text in Search Bar to the list of transfer destinations
Added caller_username to the web alert url
Fixed opening the Web Alert window
Fixed timestamp display in Chat sessions
Fixed Engine failure on bogus incoming REFER requests
Fix crash on RTCP decryption when using SRTP
Fixed some Subscribe method related exceptions
Print audio stream info in Debug Window also if added later

Version 1.7.4

March 2nd, 2012

Enable Address Book by default

Version 1.7.3

February 14th, 2012

Fixed syncing default TLS verify server global setting with accounts
Fixed handling IPv6 name servers
Fixed retransmissions of previously failed chat messages
Small layout changes to Session Info panel

Version 1.7.2

February 6th, 2012

Added STUN servers settings to NAT traversal
Fixed XML parsing errors that caused high CPU load
Fixed reactivating Bonjour account after a TLS transport change
Fixed bug that prevented the software running on Snow Leopard
Show used local account in sesion info panel
Fixed searching for non-ASCII characters in contacts list

Version 1.7.1

January 26th, 2012

Added selection of alternative SIP outbound proxies
Added start sessions with multiple media and participants from urls: sip:user@example.com;participant=abcd@example.com;media=audio;media=chat
Improved iCloud synchronization logic
Fixed validating toolbar buttons in Chat window
Fixed stopping Screensharing when shared window is closed
Fixed removing a stream if a negative response was received
Fixed blocking of internal timers when menus are being displayed
Fixed checks for private Chat messages
Do not handle the same media stream type twice
Do not use the dial plan of disabled accounts
Reply with 200 OK to in-dialog OPTIONS requests

Version 1.7.0

January 9th, 2012

Added iCloud support
Added support for droping files over audio sessions
Added do not disturb setting
Added pause/resume support for Spotify
Improved handling of desktop sharing negotiations
Close audio drawer when opening chat window
Fixed display of bonjour contact in drawer
Fixed lookup of bonjour contacts in contacts list
Allow conferencing of bonjour contacts with normal contacts
Avoid opening drawer if no audio session is active
Fixed handling of rejected and missed calls
Shut Blink down if a fatal error occurs in the Engine
Check for an attribute in sms viewer as the view is shared with chat
Open external links from account page in system web browser
Avoid printing chat ended message if stream failed
Fixed reacting to MediaStreamDidFail on ChatController
Don't start speech recognition if audio call is in progress
Use display name if found than tel number when format uri
Improve reason text when invite to conference fails
Say display name if found in alert panel
Fixed crash on overflow error
Fixed crash when bogus G722 payload is received
Fixed building sipfrag payloads
Fixed performing DNS lookups within a SIP transaction

Version 1.6.0

December 23rd, 2011

Added Multiparty Screensharing
Added Keychain support for password storage
Added voice over support for blind people
Added speech recognition for Alert Panel commands
Added keep window on top functionality
Added custom labels in Address Book entries
Added auto-answer per contact
Say incoming caller name using speech syntezis
Added Voice Assistance Tools menu items
Refresh search when Address Book has changed
Allow * # and , for pause in post-dial DTMF
Do not render non-text messages in chat view
Fixed a memory leak in session info panel
Fixed a memory leak in chat window controller
Fixed a memory leak in audio controller
Fixed rejecting proposal when adding new stream
Fixed restoring volume to VLC player
Remove participants who did not join conference after 5s delay
Don't update codec info if call transfer is in progress
Consider 'unavailable' username as anonymous
Log calls answered elsewhere as completed
Refactored Logging window
Refactored Alert panel

Version 1.5.0

November 28th, 2011

Added generic LDAP directory support per account
Added LDAP search integration with SIP2SIP service
Added automatic DTMF postdial functionality using # delimiter
Added automatic audio recording setting in advanced audio section
Added call waiting setting in advanced audio section
Added reject anonymous caller option in advanced audio section
Added separate night volume control for audio ringtone
Added VLC muting support before starting an audio call
Added dial-plan setting to auto-select account of outgoing calls
Added TLS verify_server global setting
Show hint about using the keyboard for entering DTMF
Restore iTunes volume smoother
Automatically reload system Address Book when changed
Use selected contact for add contact button in search results
Fixed visual feedback when dragging contacts and sessions on top of contacts
Fixed setting custom ringtone per account
Fixed crash when Address Book was expanded at start
Fixed logging of MWI notifications
Fixed display of matched contacts
Fixed handling calling to tel: uris
Log the used audio devices before each call
Use an alternative SIP route only if timeout was local
Use system wide user set Downloads directory
Improved DNS lookup logging
Optimized display of some widgets in MacOSX Lion
Make the application sandbox ready
Several bug fixes in SIP SIMPLE Client SDK
Switched to Python 2.6

Version 1.4.0

October 31st, 2011

Added Screenshot sharing based on mouse selected area
Added per account alert_url, opens custom web page with incoming caller info
Added Stop and Cancel actions for Screen Sharing requests
Added registration status to preference panel
Added support for Bonjour multiparty conferencing
Added failover to next available hop for new sessions
Stop ringing imediatelly when cancelling a new stream proposal
Improved Chat Window and Audio Session contextual menus
Improved resilience against network connectivity failures
Improved session and call transfer logging
Fixed validation of participant URI when inviting to a conference
Fixed SMS with unicode characters in the body
Fixed initializing SessionController for outgoing transfers
Fixed incoming Call Transfer when using a Bonjour account
Fixed adding participants to a conference with URI in unicode
Fixed crash in contacts syncronization caused by a multi-threading issue
Fixed random high CPU load caused by same cause as above
Fixed updating connect button when chat stream ended
Fixed exceptions when updating audio status
Fixed pause/resume iTunes in some cases
Show display name of incoming caller in log
Fixed call transfer when rejected multiple times
Various bug fixes in SIP SIMPLE Client SDK

Version 1.3.0

September 19th, 2011

Added Speakerphone functionality with Acoustic Echo Cancellation
Added Noise Suppression for fans and other undesirable noises
Added Screen Sharing using built-in MacOSX VNC viewer and server
Added Window Screenshot Sharing to Chat window
Added Session Information Panel
Added the Favorites group
Added logging for call transfers
Added web_password setting for web server authentication
Added file logging section and help in Preferences
Added automatic weekly contacts backup
Added aggregated transfer speed for File Transfers
Show network transfer rates in bits/s
Fixed import of contacts from previous Blink versions
Fixed selecting as default a newly added SIP account
Fixed the matching contact bug in last calls groups
Fixed setting initial group when click on add contact button
Fixed Bonjour target uri for File Transfers
Fixed one of the random crash bugs in core media
Fixed saving the icon when adding a new contact
Fixed draging the contact search results
Check if a group can be deleted
Changed default Downloads folder to ~/Downloads
Improved render speed when displaying many history entries
Improved Enrollment window elements description
Rename Chat Reconnect button to Connect
Wait starting chat session until user types a message

Version 1.2.0

August 2nd, 2011

Added Call Transfer
Added XCAP Contact Management (OMA XDM specifications)
Added backup and restore for the Contacts List
Added preference option to show or hide Address Book
Added auto-answer audio call setting for each account
Added auto-transfer audio call setting for each account
Added setting for handling new audio devices automatically
Added setting to enable pausing/resuming of iTunes
Added keyboard shortcuts for group management
Added a default TLS certificate for accounts
Use TLS as the default MSRP transport in Bonjour account
Improved display of RTP packet loss and latency
Improved preferences sections and settings description
Fixed high CPU usage for conferences with many participants
Fixed enabling of desktop sharing actions
Fixed memory leaks in history viewer
Fixed logging when MSRP chat stream ends without actually starting
Fixed display of TLS icon while connecting session
Fixed configuration migration with unicode folder name
Don't imediatelly hide sRTP icon when hangup audio call
Set sRTP for audio streams optional by default
Disable chat disconnect and history buttons for bonjour accounts
Refactored Contact and Group classes of the Contact Model
Renamed shared conference file table title
Fixed bug related to Bonjour Account detection
Replaced the standard VNC viewer
Added Enable MWI setting
Many bug fixes in the middleware

Version 1.1.1

June 14th, 2011

Disable send private message menu item if participant has no active chat media
Improved alignment of SIP settings page elements
Scroll chatview to bottom when move splitter
Auto-append domain to entered text in search list results
Updated preferences panel descriptions
Replaced Add to conference button in search with a dragable contact
Make minimum chat drawer width same as audio sessions drawer
Play alert tone when remote conference added audio
Improved DNS lookup logging
Translate TLS connection error more user friendly

Version 1.1.0

June 8th, 2011

Added OSX Lion Support
Added new Preferences Panel
Added Collaborative Text Editor for Chat sessions
Added File Transfer support for Multiparty Conferences
Added feature to open a HTTP URL on incoming sessions
Added Command Z shortcut key for zoom/unzoom the UI
Added Command A shortcut key for select all search text
Added telephone dialpad with Command D shortkey
Added print capability to Chat, SMS and History windows
Added incoming file transfer preview in Chat window
Added conference information to Audio Sessions drawer
Added incoming file transfer preview in chat window
Added support for MSRP ACM (RFC 6135)
Added dragging of contacts from search view to conference
Refactored logging to be more consistent
Check if a session still exists when canceling a proposal
Fixed SMS viewer after latest chat controller changes
Improved display of failure reason in chat view
Update own icon in participants drawer
Protect against dragging contact to a finished session
Fixed some memory leaks in the middleware
Fixed drag-and-drop operations with files on Chat window
Fixed saving custom announcement for answering machine
Fixed migration from Blink Lite if installed after Blink Pro
Fixed concurent access issues to the history database

Version 1.0.9

April 28th, 2011

Fixed creation of history tables at first start
Added setting to disable Chat sessions
Added setting to disable File Transfer
Added setting to disable Desktop Sharing
End session if remote party removed all streams
Fixed validating TLS option paths on preferences
Migrate configuration from Blink Lite to Pro, if present
Fixed TLS loading path if its relative
Print origin of session failure in chat window
Fixed cancel outgoing chat sessions
Reduced size of Blink dependencies
Improved interoperability with OnSIP service
Fixed representation of URIs with special characters

Version 1.0.8

April 6th, 2011

Fixed history entry when session was ended before it was started
Render failure_reason in chat window if reason is None
Compact SDP by removing all SDP attributes when removing a stream
Added format list validation for MSRP streams
Improved session failure notifications and response codes
Fixed contextual menu when no real contact was clicked
Removed per contact subscribe to presence and dialog attributes

Version 1.0.7

March 24th, 2011

Fixed a memory allocation error in chat sessions

Version 1.0.6

March 14th, 2011

Implemented conference add/remove participants (RFC4579)
Added conference configuration management
Enable audio when start conference by default
Added hold icon in the participants drawer
Group conference history menu entries in one section
Auto-append domain when dragging phone numbers into conference
Removed failed invitations from drawer after 5s delay
Display subject header in alert panel if present in session
Create a random conference room if none provided
Fixed URL quoting not to process percent symbol
Replaced file storage of call history with a SQLite backend
Show selected combined audio device in Device menu
Fixed detaching tab from chat window
Print proposal failures in chat view

Version 1.0.5

March 4th, 2011

Fixed crashes and increased resilience when connectivity is lost
Set remote focus on incoming session, if applicable
Fixed exception when processing conference payload with Bonjour account
Fixed tooltip text in history viewer
Improved History Viewer layout
Fixed iTunes pause notification bug
Allow for lowercase conference rooms

Version 1.0.4

February 27th, 2011

Added quick audio device switching
Fixed manual resizing limits of main window
Raise incoming session alert panel without taking the focus
Added dot to the pstn number matching pattern
Render video file received using file transfer in chat window
Fixed alignment and improved labels in history viewer toolbar
Allow two characters long conference rooms
Improved the History Viewer interface
Added audio recordings to history viewer
Added filter by date to history viewer
Add entries in history for all audio sessions
Added search by contact in history viewer
Added begin/end pagination to history viewer
Improved handling of events during connectivity loss

Version 1.0.3

February 15th, 2011

Use Cmd-J for join conference and Cmd-S for Silent
Moved Voicemail items from History to Call menu
Filter contacts by search text in History viewer
Filter contacts by media type in History viewer
Allow add contact from search results to Join Conference window
Fixed display of history entries matching Address Book entries
Fixed broken query in History viewer
Renamed menu Audio to Devices and Conference to Call
Added Command N short-key for add contact action
Fixed a memory leak in Chat contoller
Reduced number of previous chat messages fetched from History
Added Unicode support for Audio devices

Version 1.0.2

February 10th, 2011

Added Unicode support for File Locations and Preferences panel
Improved Chat sessions shutdown logic on multiple window close
Do not close drawer on window close to avoid transition artifacts
Fixed exception when the session is ended on error conditions
Removed Chat history folder setting replaced by the SQLite backend
Render the Display Name in Chat Growl notifications
Fixed grouping history entries by account
Removed Command-A shortcut-key
Bug fixes in History viewer

Version 1.0.1

February 4th, 2011

Added support for conference servers
Added unicode support for non-ascii Display names
Added Chat window drawer for conference information
Added MSRP keepalive mechanism for Chat session
Refactored History Viewer for using SQLite backend
Improved DNS resolver capabilities
Improved Chat and SMS interfaces
Improved File Transfer interface
Improved Bonjour discovery mechanism
Fixed crash when broken Request URI contains unquoted @
Show full name for some Growl notifications
Fixed exceptions when adding and removing streams
Fixed accounting of failed sessions
Fixed bugs in Answering machine
Fixed display of RTP packet loss information
Moved Answering Machine to Status menu
Moved Audio Recording to History menu

Version 1.0.0

November 10th, 2010

Initial release