TY  - BOOK
AU  - Porter, ThomasKancbirz, JanZmolek, Andy et al.
TI  - Practical VOIP security
SN  - 9800000000000
U1  - 004.62  POR;1  R 
PY  - 2006///
CY  - Mumbai
PB  - Shroff
N1  - Content page available
ER  -