[ "$EXTERNAL_FREETZ_LIB_libosip2" == "y" ] && EXTERNAL_FILES+=" ${FREETZ_LIBRARY_DIR}/libosip2.so.6.2.0"
[ "$EXTERNAL_FREETZ_LIB_libosipparser2" == "y" ] && EXTERNAL_FILES+=" ${FREETZ_LIBRARY_DIR}/libosipparser2.so.6.2.0"