/usr/lib/x86_64-linux-gnu/libphone-ui.so is in libphone-ui-dev 1:0.0.1+git20110825-3build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libphone-ui.so.0.0.0
/usr/lib/x86_64-linux-gnu/libphone-ui.so.0.0.0