JPS5718157A - Incoming tone discrimination system - Google Patents
Incoming tone discrimination systemInfo
- Publication number
- JPS5718157A JPS5718157A JP9344880A JP9344880A JPS5718157A JP S5718157 A JPS5718157 A JP S5718157A JP 9344880 A JP9344880 A JP 9344880A JP 9344880 A JP9344880 A JP 9344880A JP S5718157 A JPS5718157 A JP S5718157A
- Authority
- JP
- Japan
- Prior art keywords
- subscriber
- telephone set
- bell
- information
- memory
- 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.)
- Pending
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
- H04M3/54—Arrangements for diverting calls for one subscriber to another predetermined subscriber
- H04M3/546—Arrangements for diverting calls for one subscriber to another predetermined subscriber in private branch exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Abstract
PURPOSE:To shorten a switching connection, by storing in a memory the information for changing a bell ringing tone for plural users, respectively, and making a bell corresponding to an object called party ring in accordance with a dial number, in case when one telephone set is used by plural parties. CONSTITUTION:When subscriber's number information, for instance, 321 and 543 are provided to an input 10 of a number group, they are expanded by the second and third expansion trees 12, 13 and 12a, 13a, respectively, the line equipment numbers of the subscriber's number 321 and 543 in an automatic switchboard are derived by terminals 14, 142 as the respective expansion results. Both said subscriber's numbers use the same telephone set and are connected by a connecting line 15. A data 34b showing an attribute for instructing a bell ringing method of a telephone set of a subscriber's group in accordance with this line equipment number information 34a is stored in a memory, and a bell of a telephone set corresponding to a number which a calling party has dialed is rung.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9344880A JPS5718157A (en) | 1980-07-09 | 1980-07-09 | Incoming tone discrimination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9344880A JPS5718157A (en) | 1980-07-09 | 1980-07-09 | Incoming tone discrimination system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5718157A true JPS5718157A (en) | 1982-01-29 |
Family
ID=14082601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9344880A Pending JPS5718157A (en) | 1980-07-09 | 1980-07-09 | Incoming tone discrimination system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5718157A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58146165A (en) * | 1982-02-25 | 1983-08-31 | Nippon Telegr & Teleph Corp <Ntt> | Calling system of digital telephone set |
| JPS5925458A (en) * | 1982-08-02 | 1984-02-09 | Nippon Telegr & Teleph Corp <Ntt> | Calling system |
-
1980
- 1980-07-09 JP JP9344880A patent/JPS5718157A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58146165A (en) * | 1982-02-25 | 1983-08-31 | Nippon Telegr & Teleph Corp <Ntt> | Calling system of digital telephone set |
| JPH0332257B2 (en) * | 1982-02-25 | 1991-05-10 | Nippon Telegraph & Telephone | |
| JPS5925458A (en) * | 1982-08-02 | 1984-02-09 | Nippon Telegr & Teleph Corp <Ntt> | Calling system |
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