JP2000332897A - Electronic exchange system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform no response to a call when it is not desired in an incoming call to a PHS(R) terminal or to perform response to that call as needed, by monitoring the call to the PHS (R) terminal while making a message recording device respond to the call. SOLUTION: When a PHS(R) terminal 11 dials a monitor response number and presses an off-hook button later, a CONN signal is transmitted from a radio base station 12. When the dial information of the CONN signal is the monitor response number of a special number memory 30, the service registering state of a service setting memory 20 is checked for each PHS(R) terminal. When it is already registered, a tripartite meeting trunk 15 is connected with an extension telephone set 13 and a message recording device 14, and the PHS(R) terminal 11 and the tripartite meeting trunk 15 are connected in a monitoring state. At the time, the service executing state of the service setting memory 20 is set to 'under monitoring' for each PHS(R) terminal. The extension telephone set 13 listens to the announcement of the message recording device 14 and can record a message according to an instruction and this talk can be monitored by the PHS(R) terminal 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic exchange system, PH
S (Personal Handy PhoneSys)
tem).

[0002]

2. Description of the Related Art PHS terminals are rapidly spreading as simple portable telephones or communication systems. 800-900M
A wide service area is realized by using microwaves in the Hz band and providing a large number of relatively small stations.

When a user carrying a PHS terminal cannot answer an incoming call, the PHS terminal sets call forwarding to the message recording device so that an incoming call to the PHS terminal can be sent to the message recording device. Can be transferred. The message recorded in the message recording device can be heard later by operating the PHS terminal.

[0004]

One of the problems of the conventional electronic exchange system in the PHS terminal is that setting the absence transfer from the PHS terminal to the message recording device is troublesome. The reason is that the PHS terminal can move in any state because it can move with the user. This is because it is necessary to perform an operation of setting call forwarding every time a state where a call is not desired to be received and canceling the call forwarding every time a state where a call is received is returned.

Another problem of the prior art is that when the PHS terminal sets call forwarding to a message recording device, an incoming call with a low urgency level is treated the same as an incoming call with a high urgency level. It is becoming. The reason is that by setting the call forwarding to the message recording device, all incoming calls will be forwarded and the urgency of the incoming call cannot be determined until the PHS terminal is operated and the message is heard. It is. In other words, the message recording device records the incoming call in the order of incoming calls. Access is impossible.

Accordingly, an object of the present invention is to provide an electronic exchange system that does not respond to an incoming call by operating the PHS terminal when it is not desired to answer the incoming call to the PHS terminal, but can respond to it when necessary. To provide.

[0007]

In order to solve the above-mentioned problems, the electronic exchange system according to the present invention employs the following characteristic configuration.

(1) There is an electronic exchange connected to an extension telephone and a message recording device, and a PHS terminal for communicating via a radio base station connected to the electronic exchange, and the PHS terminal communicates with the extension telephone. In the electronic exchange system, the PHS terminal has a monitor response function of monitoring the incoming call while making the incoming call and the message recording device answer.

(2) The electronic exchange system according to (1), wherein the PHS terminal can appropriately switch between the monitor response and the normal response.

(3) The user determines the urgency of the incoming call while monitoring with the monitor response, and enables the PHS terminal to switch to the normal response according to the urgency. ) Electronic exchange system.

(4) The electronic exchange system according to (1), wherein the electronic exchange has a communication path control device, a central processing unit, and a storage device.

(5) The storage device has a service setting memory for setting a service registration state at the PHS terminal, and a special number for storing a service registration number, a service release number, a monitor response number, and the like by a maintenance console of the electronic exchange. The electronic exchange system according to the above (4), comprising a memory.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of an electronic exchange system according to the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing a system of an embodiment of an electronic exchange system according to the present invention. This system comprises a communication path control device 1, a central processing unit (CP)
U) 2, an electronic exchange having a storage device 3, a PHS terminal 11, a wireless base station 12, an extension telephone 13, a message recording device 14, a three-way conference trunk 15, and a maintenance console 16. I have. Here, the storage device 3
A service setting memory 20 and a special number memory 30 set for each PHS terminal are stored. The service setting memory 20 set for each PHS terminal is stored in the storage unit 3 by operating the PHS terminal 11. The special number memory 30 is stored in the storage device 3 from the maintenance console 16.

FIGS. 2A and 2B show the service setting memory 20 and the special number memory 30 of FIG. 1, respectively.
3 is a data memory configuration diagram of FIG. The service setting memory 20 shown in FIG.
, PS-2,..., PS-n service status, ie, presence / absence of registration status and execution status 21a, 21b,.
1n is stored. The special number memory 3 shown in FIG.
0 is a service registration number 31, a service release number 32,
The monitor response number 33 and the call switching number 34 are stored.

The operation of the entire system of FIG. 1 will be described with reference to the flowcharts of FIGS. 3 to 6 and the signal sequence of FIG. First, FIGS. 3 to 6 show flowcharts of service registration, service release, monitor response, and call switching operation of the electronic exchange system according to the present invention, respectively.

The service registration operation of FIG.
1 dials the service registration number 31 in the special number memory 30 (step S311). Next, the service state of the PHS terminal 11 is set in the service setting memory 20 (step S312).

The service release operation shown in FIG.
The terminal 11 sets the service release number 32 in the special number memory 30
Is dialed (step S321). Next, the service state of the PHS terminal 11 is set in the service setting memory 20 (step S322).

The monitor response operation of FIG.
Dials the monitor response number 33 in the special number memory 30 and goes off-hook (step S331). Next, the service registration state of the PHS terminal 11 in the service setting memory 20 is checked (step S332). Step S3
At 33, the presence or absence of service registration is checked. In the case of N (no registration), it is a normal two-party call. Y (with registration)
In the case of, the process moves to step S334. Here, the extension telephone 13, the message recording device 14, and the three-party conference trunk 1
5 and the PHS terminal 11 and the three-way conference trunk 15 are connected in a monitor state. Then, the service setting memory 2
The service state of the PHS terminal 11 is set to 0 (step S335).

Finally, the call switching operation of FIG. 6 will be described.
In step S341, after the PHS terminal 11 is hooked, the call switching number 34 in the special number memory 30 is dialed. In step S342, the service execution state of the PHS terminal 11 in the service setting memory 20 is checked. In step S343, it is determined whether monitoring is in progress. If N (not being monitored), no processing is performed. If Y (monitoring), the process proceeds to step S344, where the message recording device 14 and the three-way conference trunk 15 are restored, and the PHS terminal 11 and the extension telephone 13 are connected. Thereafter, the service state of the PHS terminal 11 is set in the service setting memory 20 (step S345).

Next, a signal sequence diagram between the exchange and the radio base station in FIG. 7 will be described. This shows a signal flow between the exchange formed by the communication path control device 1, the central processing unit 2 and the storage device 3, and the radio base station 12. When the caller completes the dialing, the exchange sends a SETUP signal to the base station 12. The radio base station 12 performs CALL PROC for the exchange. Next, an INFO signal is transmitted from the exchange to the radio base station 12, and then from the radio base station 12 to the exchange. Also, ALERT is sent from the wireless base station 12 to the exchange. This connects the ringing tone to the caller and connects the ringing tone to the PHS terminal 11.

When the PHS terminal makes a monitor response, a CONN signal (with dial information) is sent from the radio base station 12 to the exchange.
Send The exchange sends an ACK (acknowledge) of a CONN signal to the radio base station 12. Next, when there is a call switch in the PHS request, the INF is transmitted from the wireless base station 12 to the exchange.
O (hooking information and number information) is transmitted.

The operation of the system shown in FIG. 1 will be described below with reference to FIGS. First, the service registration number 31, service release number 32, monitor response number 33, and call switching number 34 are stored in the special number memory 30 of the storage device 3 from the maintenance console 16.

When the PHS terminal 11 dials the service registration number 31 in the special number memory 30, the radio base station 12
Then, the exchange notifies the dial information. If the dial information is the service registration number 31 of the special number memory 30, the service registration state of the service setting memory 20 for each PHS terminal 11 is set to "registered" (step S312 in FIG. 3A).

When the PHS terminal 11 is called from the extension telephone 13 and the PHS terminal 11 presses the off-hook button,
A CONN signal (no dial information) is transmitted from the wireless base station 12 to the exchange, and the extension telephone 13 and the PHS terminal 11 are transmitted.
Is connected and two-way calling is in progress.

When the PHS terminal 11 is called from the extension telephone 13 and the PHS terminal 11 dials the monitor response number 33 and then presses the off-hook button, the radio base station 12
A CONN signal (with dial information) is transmitted to the exchange. The dial information of the CONN signal is stored in the special number memory 3.
In the case of the monitor response number 33 of 0, the service registration status of the service setting memory 20 for each PHS terminal is checked (step S332). When there is no registration, the extension telephone 13 and the PHS terminal 11 are connected to establish a two-way call. When there is registration, the extension telephone 13, the message recording device 14, and the three-way conference trunk 15 are connected. And PHS terminal 1
1 and the three-way conference trunk 15 are connected in the monitor state (step S334). At this time, the service execution state of the service setting memory 20 for each PHS terminal is set to "monitoring" (step S335). Here the extension telephone 13
Can listen to the announcement of the message recording device 14 and record the message according to the instruction. The PHS terminal 11 can monitor this call.

When the PHS terminal 11 is hooked, an INFO signal (with a hooking signal) is transmitted from the radio base station 12 to the exchange.
Send a signal (with number information). After the hooking, the received number information is stored in the call switching number 34 of the special number memory 30.
In the case of, the service execution state of the service setting memory 20 for each PHS terminal is checked (step S342). When not monitoring, the operation is invalid. During monitoring, the three-way conference trunk of the PHS terminal 11, the extension telephone 13 and the message recording device 14 is disconnected, the message recording device 14 and the three-way conference trunk 15 are restored, and the PHS terminal 11 and the extension telephone 13 are connected. (Step S344). At this time, the service execution state of the service setting memory 20 for each PHS terminal is set to “not being monitored” (step S345). Here, the PHS terminal 11 can perform a two-party call with the extension telephone 13 which is an incoming call.

When the PHS terminal 11 dials the service release number 32, the wireless base station 12 notifies the exchange of dial information. Dial information is stored in special number memory 30
In the case of the service release number 32, the service registration state of the service setting memory 20 for each PHS terminal is set to "no registration" (step S322). When the PHS terminal 11 performs a monitor response operation in this state, a normal two-party call is performed.

In the embodiment of the electronic exchange system according to the present invention, "normal response" or "monitor response" can be selected by a response operation at the time of incoming call. In the case of "monitor response", an effect similar to that of call forwarding can be obtained by causing an incoming call to be answered by the message recording device first. At this time, the contents of the incoming call can be known as soon as possible by listening to the message content in real time. Further, when it is determined from the message contents that the incoming call has a high degree of urgency, the call can be promptly answered by switching to the incoming call.

The configuration and operation of the preferred embodiment of the electronic exchange system according to the present invention have been described above in detail. However, the present invention should not be limited to only such specific examples, and various modifications can be made without departing from the gist of the present invention.

[0031]

As will be understood from the above description, according to the electron exchange system of the present invention, the following various remarkable effects can be obtained.

First, it is possible to select a normal response or a monitor response by a response operation, so that there is no need to set call forwarding every time an incoming call cannot be answered, which facilitates the operation.

Next, the call between the incoming call and the message recording device is performed.
Since the PHS terminal that is the destination of the call can be monitored, the contents of the message can be heard in real time.

Further, by operating the PHS terminal which is the destination of the call, the call between the incoming call and the message recording device is terminated, and the call can be switched to the call between the PHS terminal and the incoming call. It is possible to know the urgency of the incoming call and answer it as needed.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a communication system that implements an electronic exchange system according to the present invention.

FIGS. 2A and 2B show a data memory configuration included in the storage device in FIG. 1, wherein FIG. 2A is a service setting memory, and FIG. 2B is a special number memory.

FIG. 3 is a flowchart of a service registration operation of the electronic exchange system according to the present invention.

FIG. 4 is a flowchart of a service release operation of the electronic exchange system according to the present invention.

FIG. 5 is a flowchart of a monitor response operation of the electronic exchange system according to the present invention.

FIG. 6 is a flowchart of a call switching operation of the electronic exchange system according to the present invention.

FIG. 7 is a signal sequence between the exchange and the radio base station in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Call control apparatus 2 Central processing unit 3 Storage device 11 PHS terminal 12 Radio base station 13 Extension telephone 14 Message recording device 16 Maintenance console 20 Service setting memory 30 Special number memory

 ──────────────────────────────────────────────────続 き Continued on the front page F-term (reference) DD11 JJ12 KK56

Claims (5)

[Claims] An electronic exchange connected to an extension telephone and a message recording device; and a PHS terminal for communicating via a radio base station connected to the electronic exchange, wherein the PHS terminal communicates with the extension telephone. In the exchange method, the PH
The electronic switching system, wherein the S terminal has a monitor response function of monitoring the incoming call while the incoming call and the message recording device answer. 2. The PHS terminal according to claim 1, wherein said monitor response and the normal response can be appropriately switched.
Electronic exchange system described in 1. 3. A user judges the degree of urgency of the incoming call while monitoring with the monitor response.
3. The electronic exchange system according to claim 1, wherein the S terminal is switchable to the normal response. 4. The electronic exchange system according to claim 1, wherein said electronic exchange has a communication path control device, a central processing unit, and a storage device. 5. A storage device comprising: a service setting memory for setting a service registration state at the PHS terminal; and a special number memory for storing a service registration number, a service release number, a monitor response number, and the like by a maintenance console of the electronic exchange. The electronic exchange system according to claim 4, comprising: