JPH0361791U - - Google Patents
Info
- Publication number
- JPH0361791U JPH0361791U JP12187389U JP12187389U JPH0361791U JP H0361791 U JPH0361791 U JP H0361791U JP 12187389 U JP12187389 U JP 12187389U JP 12187389 U JP12187389 U JP 12187389U JP H0361791 U JPH0361791 U JP H0361791U
- Authority
- JP
- Japan
- Prior art keywords
- calls
- circuit
- extension
- automatic
- caller
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Description
第１図は本考案の一実施例のブロツク回路図、
第２図および第３図は第１図の動作を示すタイム
チヤートである。
１……構内電話交換機、２……自動応答回路、
３……内線発信回路、４……交換手呼出回路、５
……電話回線、６……内線電話機、７……交換手
用電話機。
FIG. 1 is a block circuit diagram of an embodiment of the present invention.
2 and 3 are time charts showing the operation of FIG. 1. 1...Private telephone exchange, 2...Automatic answering circuit,
3...Extension calling circuit, 4...Switchboard calling circuit, 5
...Telephone line, 6...Extension telephone, 7...Switchboard operator telephone.
Claims (1)
回路と自動応答後発信者がダイヤルする内線番号
を認識し呼び出す内線発信回路とを備え交換手を
不要にしたことを特徴とする構内電話交換機。 This private telephone exchange is characterized in that it is equipped with an automatic answering circuit that automatically answers calls from an outside line, and an extension calling circuit that recognizes and calls the extension number dialed by the caller after the automatic answer, and eliminates the need for a switchboard operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12187389U JPH0361791U (en) | 1989-10-17 | 1989-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12187389U JPH0361791U (en) | 1989-10-17 | 1989-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0361791U true JPH0361791U (en) | 1991-06-17 |
Family
ID=31669895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12187389U Pending JPH0361791U (en) | 1989-10-17 | 1989-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0361791U (en) |
-
1989
- 1989-10-17 JP JP12187389U patent/JPH0361791U/ja active Pending
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