ES178248A1 - IMPROVEMENTS IN TELECOMMUNICATION CENTRAL SYSTEMS - Google Patents
IMPROVEMENTS IN TELECOMMUNICATION CENTRAL SYSTEMSInfo
- Publication number
- ES178248A1 ES178248A1 ES178248A ES178248A ES178248A1 ES 178248 A1 ES178248 A1 ES 178248A1 ES 178248 A ES178248 A ES 178248A ES 178248 A ES178248 A ES 178248A ES 178248 A1 ES178248 A1 ES 178248A1
- Authority
- ES
- Spain
- Prior art keywords
- central systems
- telecommunication central
- telecommunication
- systems
- central
- 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.)
- Expired
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
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB740446A GB642526A (en) | 1946-03-09 | 1946-03-09 | Improvements in or relating to toll telecommunication switching systems |
Publications (1)
Publication Number | Publication Date |
---|---|
ES178248A1 true ES178248A1 (en) | 1947-07-16 |
Family
ID=9832461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES178248A Expired ES178248A1 (en) | 1946-03-09 | 1947-05-30 | IMPROVEMENTS IN TELECOMMUNICATION CENTRAL SYSTEMS |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES178248A1 (en) |
GB (1) | GB642526A (en) |
-
1946
- 1946-03-09 GB GB740446A patent/GB642526A/en not_active Expired
-
1947
- 1947-05-30 ES ES178248A patent/ES178248A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB642526A (en) | 1950-09-06 |
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