TY - GEN AU - Kuhn, D R AU - Walsh, T J AU - Fries, S C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2005-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.800-58 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2005 TI - Security considerations for Voice Over IP Systems: ER -