Install SFLphone 1.4.1 on Ubuntu and Linux Mint via PPA

Install SFLphone 1.4.1 on Ubuntu 15.04 vivid Vervet, ubuntu 14.10 Utopic Unicorn, Ubuntu 14.04 Trusty Tahr (LTS), Ubuntu 13.10/13.04/12.04, Linux Mint 17.1 Rebecca, Linux Mint 17 Qiana, Linux Mint 13 Maya, Pinguy OS 14.04, Elementary OS 0.3 Freya, Elementary OS 0.2 Luna, Peppermint Five, Deepin 2014, LXLE 14.04, Linux Lite 2.0, Linux Lite 2.2 and other Ubuntu derivative systems via PPA

SFLphone is an open-source SIP/IAX2 compatible softphone for Linux. SFLphone is free software released under the GNU General Public License. Packages are available for all major distributions including Debian, openSUSE, Fedora, Mandriva and the latest Ubuntu releases. It is also available in Maemo Community.

SFLphone is one of the few softphones under Linux to support PulseAudio out of the box. The Ubuntu documentation recommends it for enterprise use because of features like conferencing and attended call transfer. It has been named by CIO magazine among the 5 open source VoIP softphones to watch.

Version 1.4.1 is a minor and bugfix release with the following changes:

sflphone-daemon-video, sflphone-daemon:

• Fix call transfer
• Fix Speex 16kbs codec
• Fix freeze when hanging up
• Fix rare crash when using the PulseAudio backend
• Build packages with the OPUS codec support
• Fix crash when using IAX2 accounts 

sflphone-kde (libqtsflphone)

• Rewritten contact matching algorithm, it should handle more use cases
• Fix history call direction
• Improved contact filtering speed
• Correctly stop the "busy tone" when removing calls

sflphone-kde (KDE)

• Fix compilation with video disabled
• Fix a crash when right clicking on history empty areas
• Fix the bookmark context menu
• Improved translations 

Here is an up-to-date list of features currently available in the latest stable release or upcoming, ordered by category.

Call features

• Unlimited number of lines
• Call history + search feature
• Attended call transfer
• Auto answer
• Call hold
• Call recording
• Multi-way conferencing
• Peer to peer calls
• Video calls
  
• Instant Messaging
  

Communication

• SIP and IAX2 protocols support
• DTMF support (SIP INFO, RTP)
• Multiple accounts support
• STUN support per account
• SIP Re-invite
• SIP Routes
• SIP early media support

Audio

• Pulseaudio support
• Native ALSA interface, DMix support
• High definition audio codecs: Opus, Speex 16000/32000, G722 + Standards (G711, GSM), G.729, iLBC
• Audio device detection
• Silence detection with speex audio codec
• Linear 16 bit wave format support for ringtones
• Ability to select an independent ringtone playback device

Video

• Support for H.264, H.263, VP8, MPEG-4 Video
• Resolution/framerate selection

Security

• Voice encryption (SRTP)
• ZRTP key exchange protocol
• SDES key exchange protocol
• Signalling encryption (TLS)
• Multiple realms authentification mecanism

Desktop

• GNOME, KDE and python-cli clients available
• X11 keyboard symbols integration (0.9.8)
• Network Manager integration (0.9.8)
• Account assistant wizard
• Desktop notification
• GNOME/KDE address book integration
• Minimize on start-up
• Minimize to tray

Other

• Automatic opening of incoming URL
• Central server providing free SIP/IAX account
• Locale settings: translated in 25+ languages
• Configuration system based on YAML serialization format

Install SFLphone 1.4.1 on Ubuntu and Linux Mint via PPA :

To install Install SFLphone 1.4.1 on Ubuntu 15.04 vivid Vervet, ubuntu 14.10 Utopic Unicorn, Ubuntu 14.04 Trusty Tahr (LTS), Ubuntu 13.10/13.04/12.04, Linux Mint 17.1 Rebecca, Linux Mint 17 Qiana, Linux Mint 13 Maya, Pinguy OS 14.04, Elementary OS 0.3 Freya, Elementary OS 0.2 Luna, Peppermint Five, Deepin 2014, LXLE 14.04, Linux Lite 2.0, Linux Lite 2.2 and other Ubuntu derivative systems, open a new Terminal window and bash (get it?) in the following commands:

sudo add-apt-repository ppa:savoirfairelinux
sudo apt-get update
sudo apt-get install sflphone-gnome-video
sudo apt-get install sflphone-plugins

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