Entry Topical Term

Number of records used in: 4

001 - CONTROL NUMBER

• control field: 44643

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20191028104521.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 980717i| anannbab| |a ana

010 ## - LIBRARY OF CONGRESS CONTROL NUMBER

• LC control number: sh 98004350

035 ## - SYSTEM CONTROL NUMBER

• System control number: 243053
• Canceled/invalid system control number: sh98004350

040 ## - CATALOGING SOURCE

• Original cataloging agency: DLC
• Transcribing agency: DLC

053 ## - LC CLASSIFICATION NUMBER

• Classification number element--single number or beginning number of span: TK5105.8865

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Internet telephony

450 00 - SEE FROM TRACING--TOPICAL TERM

• Topical term or geographic name entry element: Internet-based telephony

450 00 - SEE FROM TRACING--TOPICAL TERM

• Topical term or geographic name entry element: Internet phone

450 00 - SEE FROM TRACING--TOPICAL TERM

• Topical term or geographic name entry element: Internet telephone

450 00 - SEE FROM TRACING--TOPICAL TERM

• Topical term or geographic name entry element: IP telephony

450 00 - SEE FROM TRACING--TOPICAL TERM

• Topical term or geographic name entry element: Voice over IP networks

550 ## - SEE ALSO FROM TRACING--TOPICAL TERM

• Control subfield: g
• Topical term or geographic name entry element: Telephone systems

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: 98-35187: Voice over IP networks, 1999:
• Information found: CIP pub. overview (Internet-based telephony)

670 ## - SOURCE DATA FOUND

• Source citation: ASTI on FirstSearch, July 17, 1998
• Information found: (in title: IP telephony; subject hdg.: Internet telephony)

670 ## - SOURCE DATA FOUND

• Source citation: INSPEC on FirstSearch, July 17, 1998
• Information found: (in title: Internet phone; identifier: Internet telephony)

670 ## - SOURCE DATA FOUND

• Source citation: Readers' guide on FirstSearch, July 17, 1998
• Information found: (hdg.: Internet telephony)