TY  - RPRT
TI  - Security considerations for Voice Over IP Systems 
AU  - Kuhn, D R
AU  - Walsh, T J
AU  - Fries, S
PY  - 2005
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST SP 800-58
DO  - 10.6028/NIST.SP.800-58
ER  -