JPH02237338A - Facsimile relay transmission equipment - Google Patents
Facsimile relay transmission equipmentInfo
- Publication number
- JPH02237338A JPH02237338A JP1058728A JP5872889A JPH02237338A JP H02237338 A JPH02237338 A JP H02237338A JP 1058728 A JP1058728 A JP 1058728A JP 5872889 A JP5872889 A JP 5872889A JP H02237338 A JPH02237338 A JP H02237338A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- facsimile
- communication
- packet
- network
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Facsimiles In General (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はファクシミリ中継伝送装置に関し、特にアナロ
グ電話網とデジタルパケット網に接続しファクシミリ通
信の中継をするファクシミリ中継伝送装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a facsimile relay transmission device, and more particularly to a facsimile relay transmission device that connects to an analog telephone network and a digital packet network and relays facsimile communications.
従来、この種のファクシミリ中継伝送装置では、単に音
声情報のデジタル化として通信を行っていたため、最大
９． ６ Ｋ Ｂ Ｐ Ｓの通信量しかもたないファク
シミリ通信においても、音声信号のデジタル化に必要な
６４ＫＢＰＳ又は、３ ２ Ｋ Ｂ Ｐ Ｓ ノ帯域を
デジタル回線上で必要としな。Conventionally, this type of facsimile relay transmission device communicated simply by digitizing voice information, so up to 9. Even in facsimile communication, which has a communication capacity of only 6 KBPS, the 64KBPS or 32 KBPS required for digitizing voice signals is not required on the digital line.
上述した従来のファクシミリ中継伝送装置は、ファクシ
ミリ信号を音声信号と同じようにデジタル化して送信し
ているので、情報転送効率が悪いという欠点がある。The above-mentioned conventional facsimile relay transmission apparatus has a drawback that information transfer efficiency is poor because the facsimile signal is digitized and transmitted in the same way as the voice signal.
本発明のファクシミリ中継伝送装置は、アナログ電話網
を制御する網制御装置と、宛先のファクシミリ端末のＰ
Ｂ信号を識別するＰＢ信号レシーバと、前記ＰＢ信号を
符号化する符号化器と、宛先端末の番号からパケット網
のアドレスを分析するアドレス分析装置と、前記符号化
器によって符号化された信号を復号する復号器と、この
復号器からの信号に応じて宛先端末のＰＢ信号を送出す
るＰＢセンダと、ファクシミリ通信の被呼局識別信号を
送受信するＣＥＤ信号送受信器と、ファクシミリ信号の
アナログとデジタルの変換をする変復調器と、ファクシ
ミリ通信手順を制御する通信制御装置と、デジタルパケ
ット網を制御しデジタル信号をパケットとして送受信す
るパケット制御装置と、前記アナログ電話網と前記デジ
タルパケット網に接続する複数の通信を管理する通信管
理装置とを有している。The facsimile relay transmission device of the present invention includes a network control device that controls an analog telephone network, and a P of a destination facsimile terminal.
a PB signal receiver that identifies the B signal, an encoder that encodes the PB signal, an address analysis device that analyzes the address of the packet network from the number of the destination terminal, and a signal encoded by the encoder. A decoder that decodes, a PB sender that sends out a PB signal of a destination terminal in response to a signal from this decoder, a CED signal transmitter/receiver that sends and receives a called station identification signal for facsimile communication, and analog and digital facsimile signals. a communication control device that controls a facsimile communication procedure; a packet control device that controls a digital packet network and transmits and receives digital signals as packets; and a plurality of devices connected to the analog telephone network and the digital packet network. and a communication management device that manages communication between the two.
次に、本発明について図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.
第１図は本発明の一実施例のフロック図、第２図は本実
施例の動作を説明するための中継方式を示すブロック図
である。FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram showing a relay system for explaining the operation of this embodiment.
第１図及び第２図を参照して説明する。This will be explained with reference to FIGS. 1 and 2.
第２図のアナログ電話網２４に収容されているファクシ
ミリ端末２５〜２８から本装置２２，２３に発呼があっ
た場合、第１図の網制御装置１で発呼を検出し、通信管
理装置２に対して通知する。When a call is made to this device 22, 23 from the facsimile terminals 25 to 28 housed in the analog telephone network 24 shown in FIG. 2, the call is detected by the network control device 1 shown in FIG. 2 will be notified.
通信管理装置２は、現在の通信状態から着呼を認めるか
否かの判断を行い網制御装置１に通知する。The communication management device 2 determines whether or not to accept the incoming call based on the current communication state and notifies the network control device 1 of the decision.
網制御装置］は、着呼拒否の通知を受信した場合には、
エラー処理を行い、着呼可の通知を受信した場合には、
着呼を行い、ＣＥＤ信号送受信器３から被呼局識別（Ｃ
ＥＤ）信号を発信元のファクシミリ端末に送出し、回線
をＰＢ信号レシーバ４に接続する。When the network controller] receives a call rejection notification,
If you process the error and receive a notification that the call can be received,
An incoming call is made, and the called station identification (C
ED) signal to the originating facsimile terminal, and connects the line to the PB signal receiver 4.
ファクシミリ端末側では、ＣＨＤ信号確認後、セカンド
ダイヤルにて宛先ファクシミリ端末の番号を送出する。On the facsimile terminal side, after confirming the CHD signal, the number of the destination facsimile terminal is sent by second dialing.
送出された宛先信号は、ＰＢ信号レシーバ４が受け取り
、符号化器５で符号化され、アドレス分析装置６により
第２図の本装置２２または２３のパケットアドレスを求
める。符号化された宛先信号はアドレス分析装置６によ
り求められた宛先端末側の本装置２３または２２にパケ
ット制御装置７からパケットとして送出される。The sent destination signal is received by the PB signal receiver 4, encoded by the encoder 5, and the address analyzer 6 determines the packet address of the device 22 or 23 in FIG. The encoded destination signal is sent as a packet from the packet control device 7 to the device 23 or 22 on the destination terminal side determined by the address analysis device 6.
宛先信号を受信した宛先端末側の本装置２３または２２
では、宛先信号を復号器８により復号し、ＰＢセンダー
９から宛先のファクシミリ端末に対して発呼する。This device 23 or 22 on the destination terminal side that received the destination signal
Then, the destination signal is decoded by the decoder 8, and the PB sender 9 makes a call to the destination facsimile terminal.
網制御装置１では、宛先に発呼後回線をＣＥＤ信号送受
信器３に接続する。宛先のファクシミリ端末に着呼後、
ＣＥＤ信号を宛先のファクシミリ端末が送出した場合は
、ＣＥＤ信号送受信器３で信号を受信し、網制御装置１
にＣＥＤ信号を受信したことを通知する。網制御装置１
は、通知受信後回線を変復調器１０に接続し、通信管理
装置２に対してＣＥＤ信号を受信したことを通知する。After making a call to the destination, the network control device 1 connects the line to the CED signal transmitter/receiver 3. After the call arrives at the destination facsimile terminal,
When a destination facsimile terminal sends a CED signal, the CED signal transmitter/receiver 3 receives the signal, and the network controller 1
Notify that the CED signal has been received. Network control device 1
After receiving the notification, connects the line to the modem 10 and notifies the communication management device 2 that the CED signal has been received.
通信管理装置２では、通知受信後、発呼端末側の通信管
理装置２に対して宛先ファクシミリ応答の通知をパケッ
ト制御装置７経出で送信する。After receiving the notification, the communication management device 2 transmits a destination facsimile response notification to the communication management device 2 on the calling terminal side via the packet control device 7.
発呼端末側の通信管理装置２では、通知受信後、ＣＥＤ
信号送受信器に対して発呼ファクシミリ端末へＣＨＤ信
号送出後、網制御装置１に回線を変復調器に接続するよ
うに指示し、ファクシミリ端末間の通信が可能な状態と
する。After receiving the notification, the communication management device 2 on the calling terminal side transmits the CED
After the signal transmitter/receiver sends the CHD signal to the calling facsimile terminal, it instructs the network control device 1 to connect the line to the modem, thereby enabling communication between the facsimile terminals.
発呼側ファクシミリ端末２５．２６では、ＣＥＤ信号受
信後、ファクシミリの通信を開始する。After receiving the CED signal, the calling facsimile terminals 25 and 26 start facsimile communication.
ファクシミリ端末から本装置２２に送られてくる情報は
、変復調器１０によりデジタル化され、ファクシミリの
通信制御装置１１によってファクシミリ通信手順の制御
を行い、パケット制御装置７によりパケットとして宛先
ファクシミリ端末側の本装置２３に送られ変復調器１０
によりアナログ信号に変換され宛先ファクシミリ端末２
７．２８に送られる。The information sent from the facsimile terminal to this device 22 is digitized by the modem 10, the facsimile communication control device 11 controls the facsimile communication procedure, and the packet control device 7 converts the information into packets to the destination facsimile terminal. device 23 and modulator 10
is converted into an analog signal by the destination facsimile terminal 2.
Sent on 7.28.
通信制御装置１１が呼切断信号を検出すると、通信管理
装置２に呼切断要求の通知を出し、それ一６
を受けた通信管理装置２は、網制御装置１に対して回線
切断を指示する。指示を受けた網制御装置１は回線を切
断し通信を終了する。When the communication control device 11 detects a call disconnection signal, it issues a call disconnection request notification to the communication management device 2, and upon receiving the notification, the communication management device 2 instructs the network control device 1 to disconnect the line. Upon receiving the instruction, the network control device 1 disconnects the line and ends the communication.
このようにすると、第２図に示すようにデジタルパケッ
ト網２１と、アナログ電話網２４との間に本装ｉ１２２
．２３を設置しファクシミリ端末２５と２７間で通信を
行う場合、デジタル上の通信がファクシミリ通信である
ことを認識し、アナログからデジタルに信号変換する際
ファクシミリ信号のデジタル化として信号変換し、パケ
ットとしてデジタル通信を行う機能があり、またパケッ
トとしてデジタル化した信号を送受しているためファク
シミリ端末２５と２７間で通信を行っていた場合にデジ
タルパケットの伝送効率内であればファクシミリ端末２
６と２８間の通信も行なえる。In this way, as shown in FIG.
．． 23 and communicates between facsimile terminals 25 and 27, it recognizes that the digital communication is facsimile communication, and when converting the signal from analog to digital, it converts the facsimile signal into a digital signal, and converts the facsimile signal into a packet. Since it has the function of digital communication and sends and receives signals digitized as packets, if communication is being carried out between facsimile terminals 25 and 27, if the transmission efficiency is within the digital packet transmission efficiency, facsimile terminal 2
Communication between 6 and 28 is also possible.
ずなわち、複数の通信を行うことができる。In other words, multiple communications can be performed.
以上説明したように本発明は、ファクシミリ通信におい
てファクシミリの情報そのものをデジタル化し、パケッ
トとして送出することにより情報転送効率を向上させる
ことができるという効果がある。As described above, the present invention has the effect of improving information transfer efficiency in facsimile communication by digitizing facsimile information itself and transmitting it as a packet.
第１図は本発明の一実施例のブロック図、第２図は本実
施例の動作を説明するための中継方式を示すブロック図
である。
１・・・網制御装置、２・・通信管理装置、３・・・Ｃ
ＥＤ送受信装置、４・・・ＰＢ信号レシーバ、５・・・
符号化器、６・・・アトレス分析装置、７・・・パケッ
ト制御装置、８・・・復号器、９・・・ＰＢ信号センダ
ー、１０・・変復調器、１１・・・通信制御装置。FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram showing a relay system for explaining the operation of this embodiment. 1...Network control device, 2...Communication management device, 3...C
ED transmitting/receiving device, 4...PB signal receiver, 5...
Encoder, 6... Address analysis device, 7... Packet control device, 8... Decoder, 9... PB signal sender, 10... Modulator/demodulator, 11... Communication control device.
Claims (1)
シミリ端末のＰＢ信号を識別するＰＢ信号レシーバと、
前記ＰＢ信号を符号化する符号化器と、宛先端末の番号
からパケット網のアドレスを分析するアドレス分析装置
と、前記符号化器によって符号化された信号を復号する
復号器と、この復号器からの信号に応じて宛先端末のＰ
Ｂ信号を送出するＰＢセンダと、ファクシミリ通信の被
呼局識別信号を送受信するＣＥＤ信号送受信器と、ファ
クシミリ信号のアナログとデジタルの変換をする変復調
器と、ファクシミリ通信手順を制御する通信制御装置と
、デジタルパケット網を制御しデジタル信号をパケット
として送受信するパケット制御装置と、前記アナログ電
話網と前記デジタルパケット網に接続する複数の通信を
管理する通信管理装置とを有することを特徴とするファ
クシミリ中継伝送装置。a network control device that controls an analog telephone network; a PB signal receiver that identifies a PB signal of a destination facsimile terminal;
an encoder that encodes the PB signal; an address analysis device that analyzes the address of the packet network from the number of the destination terminal; a decoder that decodes the signal encoded by the encoder; P of the destination terminal according to the signal of
A PB sender that sends out a B signal, a CED signal transceiver that sends and receives a called station identification signal for facsimile communication, a modem that converts facsimile signals from analog to digital, and a communication control device that controls facsimile communication procedures. , a facsimile relay comprising: a packet control device that controls a digital packet network and transmits and receives digital signals as packets; and a communication management device that manages a plurality of communications connected to the analog telephone network and the digital packet network. Transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1058728A JPH02237338A (en) | 1989-03-10 | 1989-03-10 | Facsimile relay transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1058728A JPH02237338A (en) | 1989-03-10 | 1989-03-10 | Facsimile relay transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02237338A true JPH02237338A (en) | 1990-09-19 |
Family
ID=13092564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1058728A Pending JPH02237338A (en) | 1989-03-10 | 1989-03-10 | Facsimile relay transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02237338A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7836141B2 (en) | 1995-04-28 | 2010-11-16 | Advanced Messaging Technologies, Inc. | Systems and method for storing, delivering, and managing messages |
-
1989
- 1989-03-10 JP JP1058728A patent/JPH02237338A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7895313B2 (en) | 1994-05-13 | 2011-02-22 | Advanced Messaging Technologies, Inc. | Systems and methods for storing, delivering, and managing messages |
| US7836141B2 (en) | 1995-04-28 | 2010-11-16 | Advanced Messaging Technologies, Inc. | Systems and method for storing, delivering, and managing messages |
| US7895306B2 (en) | 1995-04-28 | 2011-02-22 | Advanced Messaging Technologies, Inc. | Systems and methods for storing, delivering, and managing messages |
| US7934148B2 (en) | 1995-04-28 | 2011-04-26 | Advanced Messaging Technologies, Inc. | Systems and method for storing, delivering, and managing messages |
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