JP3281761B2 - Mail receiving method and mail receiving device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention, ringing relates mail reception process and a mail receiving apparatus for receiving mail via a public line from the center is a mail transmission side, a phone that is especially connected to the mail receiving device mail-called non ringing not to related mail reception process and a mail receiving unit to receive.

[0002]

2. Description of the Related Art Generally, analog lines and facsimile communication networks (F-nets) can be considered as public lines for transmitting mail from a center. In this case, if the line calls the called party, 16 Hz is used on the analog line,
1300 Hz is used in the F-net. Here, as a method of connecting the mail receiving device and the telephone to the same line so that the telephone does not ring when an incoming call is received,
Non-ringing for an F-net (1300 Hz) and pseudo non-ringing for an analog line (16 Hz) are known.

[0003] Non-ringing is dedicated to facsimile, and when 1300 Hz is received, only the mail receiver responds (closes the line), and the telephone does not respond. On the other hand, in the pseudo non-ringing method, when receiving 16 Hz, the mail receiving device first responds (closes the line) to establish a communication path with the other party, and detects a CNG signal from the other party. The other party determines whether it is a telephone that does not output a CNG signal or a facsimile that outputs a CNG signal.If it is determined that the telephone is a facsimile, it shifts to facsimile communication. Sending a call signal causes the telephone to ring.

[0004]

First object of the present invention is to solve the above is the phone without mail receiving device detects a CNG signal when receiving mail from the center is a mail transmission side via a public line it is possible to not ringing is to provide a new email received method.

A second object of the present invention is to prevent a telephone from ringing without detecting a CNG signal when a mail transmitted from a mail transmitting center via a public line is received. It is to provide a new mail receiving device.

[0006]

The first object is to write
Having a memory in which a replaceable caller identification signal is stored in advance.
When the called center calls the mail receiving device for the public line, the public line transmits a call signal and a rewritable center caller identification signal from the center to the mail receiving device, If the receiving device receives both the call signal and the caller identification signal of the center, after transmitting an ID signal to the center, the telephone receives the mail sent from the center and does not ring the telephone. This is achieved by the first means for ringing the telephone when only a call signal is received.

The second object is to provide a rewritable sender.
A memory in which an identification signal is stored in advance, detection means for detecting a call signal from a center transmitted from a public line and a caller identification signal of the center, an ID transmission unit for transmitting an ID signal to the center, and the detection means When both detect a call signal and a caller identification signal of the center, the ID transmitting unit transmits an ID signal to the center, receives a mail sent from the center, and rings the telephone. On the other hand, the second means having a control means for controlling the telephone to ring when receiving only the call signal and for rewriting the caller identification signal when receiving a command from the center. You.

[0008]

According to the first means , when the center calls the mail receiving device for the public line, the public line transmits a calling signal and a caller identification signal of the center to the mail receiving device. When the mail receiving device receives both the call signal and the caller identification signal of the center, the ID signal is output.
After transmitted to the center, without ringing the phone receives mail sent from the center, while Ru is ringing the phone when receiving only the paging signal.

According to the second means, detecting means for detecting a caller identification signal of the paging signal and the center of the center public line is sent. The control means when the detection means detects both the call signal and the caller identification signal of the center.
Sends an ID signal to the center, sends the ID signal to the center, receives the mail sent from the center, and rings the telephone.
Detecting means while so no test only call signal
If you out to be ringing the phone. Also , the finger from the center
When receiving the command, the control means rewrites the caller identification signal
You .

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of a center, a public network and a mail receiving apparatus according to the present invention, FIG. 2 is an explanatory diagram showing a call signal transmitted from the public network of FIG. 1, and FIG. FIG. 4 is an explanatory diagram showing a communication sequence between the center of FIG. 1, the public network, and the mail receiving apparatus.

In FIG. 1, a mail transmitting side center 1 transmits image data, code data and audio data as electronic mail to a mail receiving apparatus 10 via a public network 2. Here, the public network 2 transmits a ringing signal for one second and transmits only a 16-Hz ringing signal with a two-second pause as shown in FIG. As shown in FIG.
It is configured to transmit a caller's telephone number (caller ID) as an example of a call signal of Hz and a caller identification signal of the center 1. In the format shown in FIG. 2 (b), the caller ID is inserted in the pause section of the call signal. However, this is merely an example. For example, the caller ID is inserted at the beginning of the call signal or every several periods of the call signal. You may.

The mail receiving device 10 includes a relay 11 for closing and opening the line, a communication control unit 12, a memory 13, a printer 14, a control unit 15, a 16 Hz cola ID detection unit 16, a DTMF (Dual Tone Multi-Frequency) detection unit 17, ID transmission unit 18, 16Hz transmission unit 19, off-hook detection unit 20, and the like. FIG. 1 shows a circuit necessary only for an incoming call, and does not show, for example, a dial signal sending circuit for outgoing.

The relay 11 has contacts A, B, and C and is controlled by the control unit 15. The control unit 15 controls the entire mail receiving apparatus 10 and has a memory in which the caller telephone number (caller ID) of the center 1 is stored in advance. The common contact C of the relay 11 is connected to the public network 2 side, and the contact A
Is connected to the communication control unit 12, the DTMF detection unit 17 and the ID transmission unit 18, and the contact B is connected to the telephone (TEL) 3 and 16H
It is connected to the z transmitting unit 19 and the off-hook detecting unit 20.

The contact C on the public network 2 side has a 16 Hz cola I
D detection unit 16 is connected, and 16 Hz cola ID detection unit 1
Reference numeral 6 denotes a 16-Hz cola I transmitted from the public network 2 upon receiving a call.
D is detected, and each detection signal is sent to the control unit 15. The communication control unit 12 executes a necessary communication protocol with the center 1, and the memory 13 is used for storing mail received from the center 1. The printer 14 has a memory 13
Is used to print out the image data (after conversion to font in the case of code data) stored in
In the case of a voice mail, the voice signal can be stored in the memory 13 and reproduced by the receiver of the telephone 3.

The DTMF detector 17 detects a DTMF signal transmitted from the center 1 and outputs the detected signal to the controller 15.
The ID transmitting unit 18 transmits an ID signal to the center 1 under the control of the control unit 15. Where these D
The TMF signal and the ID signal are transmitted from the center 1 to the mail receiving device 10
Is a protocol for transmitting mail, and the present invention is not limited to such a protocol. In addition,
By exchanging the DTMF signal with the ID signal and other signals in accordance with the change of the caller telephone number of the center 1, the caller telephone number (caller ID) of the center 1 stored in the control unit 15 in advance is transmitted to the center. It can be rewritten from 1. The 16 Hz transmitting section 19 is controlled to 16 H by the control of the control section 15.
By sending a call signal of z to the telephone 3, the telephone 3
And the off-hook detection unit 20 sends a detection signal to the control unit 15 when the off-hook of the telephone 3 is detected.

The control unit 15 performs the control shown in FIG. 3 in particular, and the control operation of the control unit 15 will be described below with reference to FIG.
This will be described with reference to FIG. In FIG. 3, 16H during standby
When the z-caller ID detecting unit 16 detects a 16-Hz calling signal from the public network 2, the process proceeds from step S1 to step S2.
Then, the circuit is closed by connecting the relay 11 to the contact A side. Next, the 16 Hz cola ID detector 16
Determines whether or not the calling side is the center 1 by determining whether or not a caller ID from the public network 2 has been detected (step S3), and if detected, proceeds to step S4 and subsequent steps.
On the other hand, if not detected, the process branches to step S7 and subsequent steps. In step S4 and subsequent steps, first, the DTMF detection unit 17
Waits until the DTMF signal is detected (step S
4) When the DTMF signal is detected, the ID signal is transmitted from the ID transmitting section 18 to the center 1 (step S5).
Next, the mail sent from the center 1 is received (step S6). When the reception of the mail is completed, the relay 11 controls to release the line, and returns to the standby state. On the other hand, in step S7 and subsequent steps, the telephone 3 is sounded by transmitting a 16-Hz calling signal from the 16-Hz transmitting section 19 to the telephone 3 (step S7), and the apparatus waits for an off-hook (step S8). When the off-hook detection unit 20 detects the off-hook of the telephone 3, the relay 1
1 is switched from the contact A to the contact B (step S9),
A call state is set (step S10). When the call ends, the relay 11 controls the line to be released and returns to the standby state.

Next, a communication sequence between the center 1, the public network 2 and the mail receiving device 10 will be described with reference to FIG.
The center 1 sends the mail via the public network 2 to the mail receiving device 1
0, first, when the center 1 closes the public network 2 and calls the mail receiving apparatus 10 with the DP signal or the PB (DTMF) signal to the public network 2, the public network 2 The mail receiving device 10 is called by transmitting a call signal of 16 Hz as shown in FIG. Further, the public network 2 transmits a ring back tone (RB) to the center 1 during this call.
Send T).

Therefore, the mail receiving apparatus 10 performs the processing as shown in FIG.
When both of D are detected and the line is closed, a communication path between the center 1 and the mail receiving device 10 is established. When the center 1 transmits a DTMF signal to the mail receiving device 10 via the communication channel, and the mail receiving device 10 transmits an ID signal to the center 1, the center 1 recognizes each other's partner. 1 sends a mail to the mail receiving device 10.

As described above, in the mail transmission method according to the embodiment, when the center 1 calls the mail receiving apparatus 10 for the public network 2, the public network 2 calls the mail receiving apparatus 10. When the mail receiving device 10 receives both the call signal and the caller identification signal of the center 1, the center 1
In this case, the telephone 3 is ringed when the e-mail sent from the telephone 3 is received and, on the other hand, only the call signal is received, it is possible to prevent the e-mail receiving device 10 from ringing the telephone 3 without detecting the CNG signal. .

Also, in the mail receiving apparatus 10 in the above embodiment, when the center 1 is the sender, a 16-Hz caller ID detection for detecting a call signal transmitted from the public network 2 and a sender identification signal of the center 1 16 and 16Hz
When the caller ID detection unit 16 detects both the call signal and the caller identification signal of the center 1, the mail sent from the center 1 is received, and the telephone 3 is sounded when only the call signal is received. With the control unit 15 that performs the control in this manner, it is possible to prevent the telephone 3 from ringing without the mail receiving device 10 detecting the CNG signal.

[0021]

According to the first aspect of the present invention, when the center calls the mail receiving apparatus to the public line, the public line calls the mail receiving apparatus and the caller identification signal of the center. And the mail receiving device receives both the calling signal and the caller identification signal of the center.
After transmitting the ID signal to the center, it receives the mail sent from the center and, on the other hand, rings the telephone when only the call signal is received.
It is possible to prevent the telephone from ringing without detecting the G signal.

According to the second aspect of the invention, when of Public line is detected by detecting means both ringing signal and the center caller identification signal from the center to be sent, the control means
After transmitting the ID signal to the center by the ID transmitting unit, the mail is transmitted from the center, and the telephone is ringed when only the call signal is received. Therefore, the mail receiving device detects the CNG signal. It is possible to prevent the telephone from ringing without being operated.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of a center, a public network, and a mail receiving device according to the present invention.

FIG. 2 is an explanatory diagram showing a call signal transmitted from the public network of FIG. 1;

FIG. 3 is a flowchart for explaining the operation of the mail receiving device of FIG. 1;

FIG. 4 is an explanatory diagram showing a communication sequence between the center of FIG. 1, the public network, and the mail receiving device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Center 2 Public network 3 Telephone 10 Mail receiving device 11 Relay 12 Communication control unit 13 Memory 14 Printer 15 Control unit 16 16 Hz / Cola ID detection unit 17 DTMF detection unit 18 ID transmission unit 19 16 Hz transmission unit 20 Off-hook detection unit

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yuo Nomura 1-7 Yukitani Otsukacho, Ota-ku, Tokyo Inside Alps Electric Co., Ltd. (72) Inventor Yasuhiko Iwane 1-7 Yukitani-Otsukacho, Ota-ku, Tokyo Inside Alps Electric Co., Ltd. (72) Inventor Masahiko Mori 1-7 Yukitani Otsukacho, Ota-ku, Tokyo Alps Electric Co., Ltd. (56) References JP-A-7-107197 (JP, A) (58) Survey Field (Int.Cl. ⁷ , DB name) H04N 1/00 H04M 11/00 H04N 1/32

Claims (2)

(57) [Claims] A rewritable caller identification signal is recorded in advance.
When the center having the stored memory calls the mail receiving device for the public line, the public line transmits a call signal and a caller identification signal of the center to the mail receiving device, When the receiving device receives both the calling signal and the rewritable caller identification signal of the center from the center, the ID device transmits the ID signal to the center, and then receives the mail sent from the center and sets the telephone. A method of receiving an e-mail, wherein the telephone is ringed when only a call signal is received without ringing the telephone. 2. A rewritable caller identification signal is recorded in advance.
A memory for storing, a detecting means for detecting a calling signal from a center transmitted by a public line and a caller identification signal of the center; an ID transmitting unit for transmitting an ID signal to the center; If both the caller identification signals of the center are detected, the ID transmitting unit transmits an ID signal to the center, and then receives a mail sent from the center and does not ring the telephone. And a control means for controlling the telephone to ring when only a call signal is received and for rewriting the caller identification signal when receiving a command from the center.