Normal view
MARC view
Entry Topical Term
001 - CONTROL NUMBER
- control field: 48904
003 - CONTROL NUMBER IDENTIFIER
- control field: OSt
005 - DATE AND TIME OF LATEST TRANSACTION
- control field: 20191028104628.0
008 - FIXED-LENGTH DATA ELEMENTS
- fixed length control field: 950104|| anannbab| |a ana
010 ## - LIBRARY OF CONGRESS CONTROL NUMBER
- LC control number: sh 95000050
035 ## - SYSTEM CONTROL NUMBER
- System control number: 267657
- Canceled/invalid system control number: sh95000050
040 ## - CATALOGING SOURCE
- Original cataloging agency: DLC
- Transcribing agency: DLC
150 ## - HEADING--TOPICAL TERM
- Topical term or geographic name entry element: Signaling system 7
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: SS7 (Telecommunication)
550 ## - SEE ALSO FROM TRACING--TOPICAL TERM
- Control subfield: g
- Topical term or geographic name entry element: Telecommunication
- General subdivision: Switching systems
670 ## - SOURCE DATA FOUND
- Source citation: Work cat.: 94-49007: Russell, T. Signaling system 7, c1995
- Information found: (SS7 is a series of protocols which underly advanced communications services like ISDN, cellular, and PCS. It is analogous to the way TCP/IP supports the Internet, carrying and transferring a from a variety of networks. SS7 has its own architecture and topology and provides seamless switching from carrier to carrier, from network to network, or from office to office within a network.)
670 ## - SOURCE DATA FOUND
- Source citation: Electrical engineering handbk, 1993
- Information found: (A communications protocol used in common channel signaling networks.)
670 ## - SOURCE DATA FOUND
- Source citation: Engr. index:
- Information found: v. 91, pt. 11, p. 9395 (Signaling system No. 7) p. 9814 (SS7 perspective and SS7 Protocol functional division)
675 ## - SOURCE DATA NOT FOUND
- Source citation: Acad. press dict. sci. tech.;
- Source citation: McGraw-Hill dict. sci. tech.;
- Source citation: Web. 3