JPH01119241U - - Google Patents
Info
- Publication number
- JPH01119241U JPH01119241U JP1376488U JP1376488U JPH01119241U JP H01119241 U JPH01119241 U JP H01119241U JP 1376488 U JP1376488 U JP 1376488U JP 1376488 U JP1376488 U JP 1376488U JP H01119241 U JPH01119241 U JP H01119241U
- Authority
- JP
- Japan
- Prior art keywords
- discriminating
- control signal
- call
- central office
- office line
- 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図である
。
１……電話器本体、２……制御機構、３……電
話線、４……通信制御機能、５……着信レベル判
別機構、６……表示機構。
FIG. 1 is a block diagram of one embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...Telephone body, 2...Control mechanism, 3...Telephone line, 4...Communication control function, 5...Incoming call level determination mechanism, 6...Display mechanism.
Claims (1)
に接続される電話器において、前記電話交換機か
ら着信時に発信されるリングトーンパルスの差異
を検出し、局線直通または内線相互かの着信レベ
ルを自動的に判別する制御信号判別機構と、この
制御信号判別機構の判別結果に基づいて受呼者側
へ着信レベルを視覚的に表示提供する判別結果表
示機構とを含むことを特徴とする電話器。 For telephones connected to a telephone exchange that allows direct communication to the central office line and mutual extensions, the difference in ringtone pulses emitted from the telephone exchange when a call is received is detected, and the incoming level is automatically determined whether the call is directly connected to the central office line or between extension lines. 1. A telephone set comprising: a control signal discriminating mechanism for discriminating a control signal; and a discriminating result display mechanism for visually displaying an incoming call level to a called party based on the discriminating result of the control signal discriminating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1376488U JPH01119241U (en) | 1988-02-03 | 1988-02-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1376488U JPH01119241U (en) | 1988-02-03 | 1988-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01119241U true JPH01119241U (en) | 1989-08-11 |
Family
ID=31224354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1376488U Pending JPH01119241U (en) | 1988-02-03 | 1988-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01119241U (en) |
-
1988
- 1988-02-03 JP JP1376488U patent/JPH01119241U/ja active Pending