JPS57162869A - Line polarity detecting system - Google Patents
Line polarity detecting systemInfo
- Publication number
- JPS57162869A JPS57162869A JP4856081A JP4856081A JPS57162869A JP S57162869 A JPS57162869 A JP S57162869A JP 4856081 A JP4856081 A JP 4856081A JP 4856081 A JP4856081 A JP 4856081A JP S57162869 A JPS57162869 A JP S57162869A
- Authority
- JP
- Japan
- Prior art keywords
- state
- charging processing
- called party
- response
- dialing
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/34—Charging, billing or metering arrangements for private branch exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4856081A JPS57162869A (en) | 1981-03-31 | 1981-03-31 | Line polarity detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4856081A JPS57162869A (en) | 1981-03-31 | 1981-03-31 | Line polarity detecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57162869A true JPS57162869A (en) | 1982-10-06 |
| JPH0221187B2 JPH0221187B2 (enrdf_load_stackoverflow) | 1990-05-14 |
Family
ID=12806765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4856081A Granted JPS57162869A (en) | 1981-03-31 | 1981-03-31 | Line polarity detecting system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57162869A (enrdf_load_stackoverflow) |
-
1981
- 1981-03-31 JP JP4856081A patent/JPS57162869A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221187B2 (enrdf_load_stackoverflow) | 1990-05-14 |
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