/usr/lib/libsofia-sip-ua-glib.so is in libsofia-sip-ua-glib-dev 1.12.11+20110422.1-2ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libsofia-sip-ua-glib.so.3.0.0
/usr/lib/libsofia-sip-ua-glib.so.3.0.0