Comment 9 for bug 1316612

Originally tested using sflphone-kde/1.3.0-1ubuntu1.1 from trusty - app would hang immediately upon startup at the "Account creation wizard" screen.

Enabled trusty-proposed and upgraded:
$ sudo apt-get install sflphone-kde/trusty-proposed
Reading package lists... Done
Building dependency tree
Reading state information... Done
Selected version '1.3.0-1ubuntu1.2' (Ubuntu:14.04/trusty-proposed [amd64]) for 'sflphone-kde'
Selected version '1.3.0-1ubuntu1.2' (Ubuntu:14.04/trusty-proposed [amd64]) for 'sflphone-daemon' because of 'sflphone-kde'
Selected version '1.3.0-1ubuntu1.2' (Ubuntu:14.04/trusty-proposed [all]) for 'sflphone-data' because of 'sflphone-kde'
The following extra packages will be installed:
  sflphone-daemon sflphone-data
The following packages will be upgraded:
  sflphone-daemon sflphone-data sflphone-kde
3 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 2,945 kB of archives.
After this operation, 102 kB disk space will be freed.
Do you want to continue? [Y/n]
Get:1 http://jp.archive.ubuntu.com/ubuntu/ trusty-proposed/universe sflphone-kde amd64 1.3.0-1ubuntu1.2 [2,096 kB]
Get:2 http://jp.archive.ubuntu.com/ubuntu/ trusty-proposed/universe sflphone-data all 1.3.0-1ubuntu1.2 [226 kB]
Get:3 http://jp.archive.ubuntu.com/ubuntu/ trusty-proposed/universe sflphone-daemon amd64 1.3.0-1ubuntu1.2 [623 kB]
Fetched 2,945 kB in 3s (774 kB/s)
(Reading database ... 209417 files and directories currently installed.)
Preparing to unpack .../sflphone-kde_1.3.0-1ubuntu1.2_amd64.deb ...
...

After upgrading to '1.3.0-1ubuntu1.2', the app starts up as expected