KR910009028A - Cable broadcasting and response method and circuit of switchboard in private exchange - Google Patents
Cable broadcasting and response method and circuit of switchboard in private exchange Download PDFInfo
- Publication number
- KR910009028A KR910009028A KR1019890014945A KR890014945A KR910009028A KR 910009028 A KR910009028 A KR 910009028A KR 1019890014945 A KR1019890014945 A KR 1019890014945A KR 890014945 A KR890014945 A KR 890014945A KR 910009028 A KR910009028 A KR 910009028A
- Authority
- KR
- South Korea
- Prior art keywords
- switchboard
- pressed
- subscriber
- speaker
- call
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephonic Communication Services (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 본 발명에 따른 시스템도.1 is a system diagram according to the present invention.
제2도는 본 발명에 따른 안내흐름도.2 is a guide flow diagram according to the present invention.
제3도는 본 발명에 따른 응답흐름도.3 is a response flow chart according to the present invention.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890014945A KR920002956B1 (en) | 1989-10-17 | 1989-10-17 | Pabx with on announcement function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890014945A KR920002956B1 (en) | 1989-10-17 | 1989-10-17 | Pabx with on announcement function |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910009028A true KR910009028A (en) | 1991-05-31 |
KR920002956B1 KR920002956B1 (en) | 1992-04-10 |
Family
ID=19290780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890014945A KR920002956B1 (en) | 1989-10-17 | 1989-10-17 | Pabx with on announcement function |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920002956B1 (en) |
-
1989
- 1989-10-17 KR KR1019890014945A patent/KR920002956B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920002956B1 (en) | 1992-04-10 |
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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: 20080306 Year of fee payment: 17 |
|
LAPS | Lapse due to unpaid annual fee |