000			00462pam a2200169a 44500
008			160408b2006 xxu||||| |||| 00| 0 eng d
020			_a1596930500
082			_a005.8 _bJ641U
100			_aJohnston,Alan B.
245	1		_aUNDERSTANDING VOICE OVER IP SECURITY
260			_a _bArtech House, Boston _c2006
300			_axv,261
650			_aInternet Telephony -- Security Measures
700			_aPiscitello,David M.
964			_gCIRC
997			_aA159362 C
999			_c357520 _d357520