@misc{1195691, author = {D Richard Kuhn}, title = {PBX vulnerability analysis ::finding holes in your PBX before someone else does}, year = {2001}, month = {2001-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.800-24}, language = {en}, }