Entry Topical Term

Number of records used in: 3

001 - CONTROL NUMBER

• control field: 135683

003 - CONTROL NUMBER IDENTIFIER

• control field: KE-NaSUL

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20250825192703.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 250825|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: KE-NaSUL
• Transcribing agency: KE-NaSUL

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name as entry element: Internet telephony
• General subdivision: Security measures

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (KE-NaSUL)98896: Porter, Thomas. 135682, Practical VoIP Security, c2006.