JPS6372962U - - Google Patents
Info
- Publication number
- JPS6372962U JPS6372962U JP16774086U JP16774086U JPS6372962U JP S6372962 U JPS6372962 U JP S6372962U JP 16774086 U JP16774086 U JP 16774086U JP 16774086 U JP16774086 U JP 16774086U JP S6372962 U JPS6372962 U JP S6372962U
- Authority
- JP
- Japan
- Prior art keywords
- telephone line
- answer tone
- control unit
- communication terminal
- signal
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案の一実施例を示すブロツク図
、第２図は従来の装置を示すブロツク図。
１は電話回線、３はハンドセツト、６は回線リ
レー、９は反転検出部、１０はアンサートーン検
出部、１１はモデム・ＮＣＵ部、１２は制御部、
１５はタイマ、１６は音声発生回路、尚、各図中
同一符号は同一又は相当部分を示す。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional device. 1 is a telephone line, 3 is a handset, 6 is a line relay, 9 is a reversal detection section, 10 is an answer tone detection section, 11 is a modem/NCU section, 12 is a control section,
15 is a timer, 16 is a sound generation circuit, and the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
とを行う通信端末装置において、 当該通信端末装置がデータ通信モードの接続状
態に接続されているとき、 制御部の制御によつて電話回線をＮＣＵ部（網
制御装置）に接続する回線リレー、 上記ＮＣＵ部から上記電話回線へダイヤル信号
を送出する手段、 上記ダイヤル信号送出後、上記電話回線上の信
号を監視して、その電圧の極性が反転される反転
信号を検出した場合、着呼側との回線が接続され
たと判定する反転検出部、 この反転検出部が反転信号を検出した時点から
所定時間内に電話回線上にアンサートーンが検出
されない場合、上記制御部の制御に従つてあらか
じめ定めた音声によるメツセージを上記電話回線
上に送出する音声発生回路、 を備えたことを特徴とする通信端末装置。 (2) 反転検出部が反転信号を検出した時点にお
いて所定時間の計時状態にセツトされるタイマ、 このタイマがセツトされている期間電話回線上
のアンサートーンを監視し、上記タイマにおける
所定時間の計時が終了するまでにアンサートーン
を検出することができなかつたとき制御部を介し
て音声発生回路を起動するアンサートーン検出部
、 を備えたことを特徴とする実用新案登録請求の範
囲第１項記載の通信端末装置。[Scope of Claim for Utility Model Registration] (1) In a communication terminal device that performs voice calls and data communication using a telephone line, when the communication terminal device is connected in a data communication mode, the control unit A line relay that connects the telephone line to the NCU section (network control unit) under the control of the NCU section, a means for sending a dial signal from the NCU section to the telephone line, and after sending the dial signal, monitors the signal on the telephone line. a reversal detector that determines that the line with the called party is connected when it detects an inverted signal in which the polarity of the voltage is inverted; A communication terminal device comprising: a voice generating circuit that sends a predetermined voice message onto the telephone line under the control of the control unit when an answer tone is not detected on the telephone line. (2) A timer that is set to count a predetermined time when the inversion detector detects an inversion signal, and monitors the answer tone on the telephone line while this timer is set, and measures the predetermined time using the timer. Claim 1 of the utility model registration claim further comprising: an answer tone detection unit that activates a voice generation circuit via a control unit when an answer tone cannot be detected before the answer tone is completed. communication terminal equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16774086U JPS6372962U (en) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16774086U JPS6372962U (en) | 1986-10-31 | 1986-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6372962U true JPS6372962U (en) | 1988-05-16 |
Family
ID=31099954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16774086U Pending JPS6372962U (en) | 1986-10-31 | 1986-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6372962U (en) |
-
1986
- 1986-10-31 JP JP16774086U patent/JPS6372962U/ja active Pending
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