just in case you're wandering, the dev package is installed too ``` (unstable-amd64-sbuild)root@debrock:/build/kamailio-oOi7Im# dpkg -L libphonenumber-dev /. /usr /usr/include /usr/include/phonenumbers /usr/include/phonenumbers/asyoutypeformatter.h /usr/include/phonenumbers/base /usr/include/phonenumbers/base/basictypes.h /usr/include/phonenumbers/base/logging.h /usr/include/phonenumbers/base/memory /usr/include/phonenumbers/base/memory/scoped_ptr.h /usr/include/phonenumbers/base/memory/singleton.h /usr/include/phonenumbers/base/memory/singleton_boost.h /usr/include/phonenumbers/base/memory/singleton_posix.h /usr/include/phonenumbers/base/memory/singleton_stdmutex.h /usr/include/phonenumbers/base/memory/singleton_unsafe.h /usr/include/phonenumbers/base/memory/singleton_win32.h /usr/include/phonenumbers/base/synchronization /usr/include/phonenumbers/base/synchronization/lock.h /usr/include/phonenumbers/base/synchronization/lock_boost.h /usr/include/phonenumbers/base/synchronization/lock_posix.h /usr/include/phonenumbers/base/synchronization/lock_stdmutex.h /usr/include/phonenumbers/base/synchronization/lock_unsafe.h /usr/include/phonenumbers/base/synchronization/lock_win32.h /usr/include/phonenumbers/base/template_util.h /usr/include/phonenumbers/base/thread_checker.h /usr/include/phonenumbers/callback.h /usr/include/phonenumbers/geocoding /usr/include/phonenumbers/geocoding/phonenumber_offline_geocoder.h /usr/include/phonenumbers/logger.h /usr/include/phonenumbers/matcher_api.h /usr/include/phonenumbers/phonemetadata.pb.h /usr/include/phonenumbers/phonenumber.pb.h /usr/include/phonenumbers/phonenumbermatch.h /usr/include/phonenumbers/phonenumbermatcher.h /usr/include/phonenumbers/phonenumberutil.h /usr/include/phonenumbers/regexp_adapter.h /usr/include/phonenumbers/regexp_cache.h /usr/include/phonenumbers/region_code.h /usr/include/phonenumbers/shortnumberinfo.h /usr/include/phonenumbers/unicodestring.h /usr/include/phonenumbers/utf /usr/include/phonenumbers/utf/unicodetext.h /usr/lib /usr/lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu/cmake /usr/lib/x86_64-linux-gnu/cmake/libphonenumber /usr/lib/x86_64-linux-gnu/cmake/libphonenumber/libphonenumber-config-version.cmake /usr/lib/x86_64-linux-gnu/cmake/libphonenumber/libphonenumber-config.cmake /usr/lib/x86_64-linux-gnu/cmake/libphonenumber/libphonenumber-targets-none.cmake /usr/lib/x86_64-linux-gnu/cmake/libphonenumber/libphonenumber-targets.cmake /usr/share /usr/share/doc /usr/share/doc/libphonenumber-dev /usr/share/doc/libphonenumber-dev/changelog.Debian.gz /usr/share/doc/libphonenumber-dev/copyright /usr/lib/x86_64-linux-gnu/libgeocoding.so /usr/lib/x86_64-linux-gnu/libphonenumber.so ```