/usr/lib/libccrtp1.so is in libccrtp-dev 1.8.0-1.2build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libccrtp1-1.8.so.0.0.0
/usr/lib/libccrtp1-1.8.so.0.0.0