KR920005563A - How to send malicious call tracking message when interworking between N7 signal system and R2 signal system - Google Patents
How to send malicious call tracking message when interworking between N7 signal system and R2 signal system Download PDFInfo
- Publication number
- KR920005563A KR920005563A KR1019900012199A KR900012199A KR920005563A KR 920005563 A KR920005563 A KR 920005563A KR 1019900012199 A KR1019900012199 A KR 1019900012199A KR 900012199 A KR900012199 A KR 900012199A KR 920005563 A KR920005563 A KR 920005563A
- Authority
- KR
- South Korea
- Prior art keywords
- signal system
- interworking
- call tracking
- malicious call
- tracking message
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2281—Call monitoring, e.g. for law enforcement purposes; Call tracing; Detection or prevention of malicious calls
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Technology Law (AREA)
- Signal Processing (AREA)
- Exchange Systems With Centralized Control (AREA)
Abstract
내용 없음.No content.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 교환 시스템의 블럭도.1 is a block diagram of an exchange system.
제2도는 종래의 흐름도.2 is a conventional flow chart.
제3도는 본 발명에 따른 흐름도.3 is a flow chart according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
l0 : 롬 20 : CPU 1l0: rom 20: CPU 1
30 : I/0 1 40 : CPU 230: I / 0 1 40: CPU 2
50 : 듀얼포트램 60 : CPU 350: Dual Port RAM 60: CPU 3
70 : I/0 2 80 : 디지탈 트렁크정합부70: I / 0 2 80: digital trunk fitting
90 : PCM 100 : 트렁크모듈90: PCM 100: trunk module
110 : 프로토콜 정합모듈110: protocol matching module
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900012199A KR930000585B1 (en) | 1990-08-09 | 1990-08-09 | Method of preventing unauthorized calls |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900012199A KR930000585B1 (en) | 1990-08-09 | 1990-08-09 | Method of preventing unauthorized calls |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920005563A true KR920005563A (en) | 1992-03-28 |
KR930000585B1 KR930000585B1 (en) | 1993-01-25 |
Family
ID=19302148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900012199A KR930000585B1 (en) | 1990-08-09 | 1990-08-09 | Method of preventing unauthorized calls |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930000585B1 (en) |
-
1990
- 1990-08-09 KR KR1019900012199A patent/KR930000585B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930000585B1 (en) | 1993-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20061220 Year of fee payment: 15 |
|
LAPS | Lapse due to unpaid annual fee |