JPS5385106A - Trunk reservation system - Google Patents
Trunk reservation systemInfo
- Publication number
- JPS5385106A JPS5385106A JP16677A JP16677A JPS5385106A JP S5385106 A JPS5385106 A JP S5385106A JP 16677 A JP16677 A JP 16677A JP 16677 A JP16677 A JP 16677A JP S5385106 A JPS5385106 A JP S5385106A
- Authority
- JP
- Japan
- Prior art keywords
- reservation system
- trunk reservation
- alternative
- trunk
- provision
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Exchange Systems With Centralized Control (AREA)
Abstract
PURPOSE:To improve the efficiency of line determination in the automatic exchange network by limiting alternative provision call which passes through an alternative route when alternative provision is given at an abnormal time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16677A JPS5385106A (en) | 1977-01-05 | 1977-01-05 | Trunk reservation system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16677A JPS5385106A (en) | 1977-01-05 | 1977-01-05 | Trunk reservation system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5385106A true JPS5385106A (en) | 1978-07-27 |
JPS5639755B2 JPS5639755B2 (en) | 1981-09-16 |
Family
ID=11466439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16677A Granted JPS5385106A (en) | 1977-01-05 | 1977-01-05 | Trunk reservation system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5385106A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5658389A (en) * | 1979-10-18 | 1981-05-21 | Nec Corp | Trunk selecting system |
JPS58141062A (en) * | 1982-02-16 | 1983-08-22 | Nippon Telegr & Teleph Corp <Ntt> | Control system for important call connection |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS499108A (en) * | 1972-05-11 | 1974-01-26 |
-
1977
- 1977-01-05 JP JP16677A patent/JPS5385106A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS499108A (en) * | 1972-05-11 | 1974-01-26 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5658389A (en) * | 1979-10-18 | 1981-05-21 | Nec Corp | Trunk selecting system |
JPS58141062A (en) * | 1982-02-16 | 1983-08-22 | Nippon Telegr & Teleph Corp <Ntt> | Control system for important call connection |
JPH0124389B2 (en) * | 1982-02-16 | 1989-05-11 | Nippon Telegraph & Telephone |
Also Published As
Publication number | Publication date |
---|---|
JPS5639755B2 (en) | 1981-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5385106A (en) | Trunk reservation system | |
JPS5231604A (en) | Toll call control system by call-back link | |
JPS5399706A (en) | Remote conference system | |
JPS54812A (en) | Repeating system | |
JPS53101206A (en) | Control system for telephone exchange network | |
JPS53136907A (en) | Automatic transfer system | |
JPS52137906A (en) | Direct dial network control system | |
JPS53100704A (en) | Waiting-time connection system | |
JPS5472607A (en) | Special number exchange network system | |
JPS5428505A (en) | Alternation giving system | |
JPS53100712A (en) | Fault informing system | |
JPS52134308A (en) | Incoming call transfer system | |
JPS5342508A (en) | Automatic test system for telephone lines | |
JPS5384512A (en) | Automatic charging recording system | |
JPS53133312A (en) | Selection control system for outgoing line | |
JPS53115107A (en) | Re-alternative connection system | |
JPS53129906A (en) | Trunk connection system | |
JPS53139413A (en) | Polarity correcting system | |
JPS5355905A (en) | Automatic dialing system | |
JPS53131705A (en) | Automatic telephone exchange system | |
JPS53105923A (en) | Automatic test system for ringer | |
JPS5345108A (en) | Special sound service system for automatic exchange | |
JPS53101909A (en) | Delay call transfer system of automatic exchange | |
JPS5255417A (en) | Automatic exchange connection system | |
JPS5438710A (en) | Terminating call connection system for automatic private branch exchange |