Linphone 3.4.0 for desktop

We are pleased to annouce release of 3.4.0 of linphone, bringing some new
big features:

  • implement multiple calls feature: 
    • call hold (with possibility to play a music file)
    • call resume 
    • acceptance of 2nd call while putting the others on hold
    • creation of another outgoing call while already in call
    • blind call transfer (linphonec only)
    • attended call transfer
  • improve bandwidth management (one b=AS line is used for audio+video)
  • improvements in the echo limiter performance
  • implement a echo calibration feature (see linphone_core_start_echo_calibration()).
  • stun support bugfixes
  • possibility to use two video windows, one for local preview, one for remote video (linphonec only)
  • optimize by not re-creating streams when SDP is unchanged during a reinvite
  • support for sending early media
  • doxygen doc and javadoc improvements


For developers using liblinphone in an application, please note that the
API has slightly changed, especially LinphoneCoreVTable: pay attention
to this when upgrading an old application to a newer liblinphone.

Linphone-3.4.0 requires mediastreamer-2.7.0, which is now released too
with the following changes:

  • new X11+XvXshm display filter, deprecating SDL display filter.
  • add custom tone generation (in MSDtmfGen filter)
  • add custom tone detection in new filter MSToneDetector
  • rework the echo canceller to work with much less latency
  • adapt the OSS filter to OSS4 standard.
  • add android video capture filter
  • add android video display filters: one for 2.1 and one for 2.2 and later
  • tune video encoder parameters for android
  • new scaler/colorspace conversion abstraction, with native ARM-optimized implementation
  • support new QCIF and QVGA portrait mode.

The download links:
sources:
http://download-mirror.savannah.gnu.org/releases/linphone/3.4.x/sources/linphone-3.4.0.tar.gz
windows setup.exe:
http://download-mirror.savannah.gnu.org/releases/linphone/stable/win32/linphone-3.4.0-setup.exe


Mediastreamer2:

http://download-mirror.savannah.gnu.org/releases/linphone/mediastreamer/mediastreamer-2.7.0.tar.gz

oRTP (cosmetic changes since last version):

http://download-mirror.savannah.gnu.org/releases/linphone/ortp/sources/ortp-0.16.4.tar.gz


New versions of the msamr, msx264, and msilbc plugins are published too:
http://download-mirror.savannah.gnu.org/releases/linphone/plugins/sources/
http://download-mirror.savannah.gnu.org/releases/linphone/plugins/win32/

Your feedbacks and contributions are welcome, as usual.

Remember that for testing as well as for every day real use, you can use
our SIP proxy powered on sip.linphone.org:
https://www.linphone.org/eng/linphone/register-a-linphone-account.html
It is fully tested with linphone and is expected to work with all
possible SIP use cases (calls, pause, resume, presence, chat...).



 
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