JPH104454A - Call reception propriety discrimination system in public line-leased line connection - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a call reception propriety discrimination system in public line-leased line connection in which detailed control is attained with respect to unbalance of the utility of a leased line depending on a time zone. SOLUTION: In the case of receiving caller telephone number information decoded by a reception section 2 from call reception information received from a public line, a collation section 4 collates caller telephone number information stored as call reception enable information obtained from a permission information storage section 5 based on a weekday of a concerned date and a current time received from a clock section 3 with decoded caller telephone number information. As a result of collation, when they are coincident, the collation section 4 sends 'call reception enable' to a control section. While the control section sets a leased line and conducts a prescribed operation to send call reception information, when unmatch, the collation section 4 sends 'call reception reject' to a reception section 2 and the reception section 2 sends a voice message sent by a voice guidance section 6 to a communication line.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an incoming / outgoing call judging method for judging whether an incoming call can be accepted by an exchange connecting a public line to a dedicated line, and more particularly, to an incoming / outgoing call which can restrict connection in a different time zone. For determining whether or not to receive a call.

[0002]

2. Description of the Related Art Conventionally, in this kind of incoming / outgoing call judging method in a public / private connection, as shown in FIG. 3, when a private branch exchange 100 connecting a public line to a dedicated line receives an incoming call, Database 30 using external computer 200
Only when the subscriber information that permits connection to the dedicated line from 0 is obtained and matched with the calling subscriber information obtained by the incoming call, the incoming call is connected to the dedicated line, and an erroneous call or an incoming call for which access is not permitted is received. Prohibition.

A technique for inhibiting incoming calls in this way is described in, for example, Japanese Patent Laid-Open No. Hei 4-237252.

Next, the device described in this publication is
This will be described with reference to FIG.

[0005] It is assumed that the private branch exchange 100 has a receiving unit 101, a common control unit 102, and a communication interface 103. In the official gazette, the public line is ISD
An N (Integrated Services Digital Network) line. First, a call setting command arrives at the receiving unit 101 as an incoming call request.
Predetermined incoming information including caller information included in the call setting command is sent from the receiving unit 101 to the common control unit 102.

When the common control unit 102 recognizes an incoming call from the ISDN line to the dedicated line, the common control unit 102 sends the received incoming call information to the external computer 200 via the communication interface 103 to inquire whether the access is possible. The external computer 200 confirms whether or not access is possible from the data information stored in the database 300.

[0007] If the access request is permitted, the common control unit 102 receives the request and calls a dedicated line to call the called party. To release the incoming call.

[0008]

In the above-mentioned conventional incoming call acceptability determination method in public-only connection, the condition for connecting an incoming call from a public line to a dedicated line is determined only by calling subscriber information. Effectively use low usage hours such as nighttime or holidays, such as general offices, but restrict incoming calls from the public line to leased lines during high usage daytime hours However, there is a problem that fine control of the grain cannot be performed.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method for judging whether or not an incoming call can be received in a public-private connection, in which fine-grained control can be performed on an imbalance in the utilization rate of a dedicated line depending on time.

[0010]

According to the present invention, there is provided a method for judging whether or not a call can be received in a public-only connection, wherein the switch for connecting a public line to a leased line judges whether or not a call can be received. And a permission information storage unit for pre-storing and storing at least a caller telephone number for permitting connection to the leased line with respect to an incoming call received through the public line, and the exchange performs an incoming call via the public line. At the time of receiving, the source telephone number information is extracted from the received information, and the incoming call is connected to the leased line only when it matches the current time with the permission information storage unit. Notifying caller of connection refusal.

By adding requirements such as holidays, Saturdays, and Sundays based on a calendar to a predetermined time in the permission information storage unit, use control of a dedicated line with a finer grain can be performed.

[0012]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a functional block diagram showing an embodiment of the present invention. In the method for judging whether or not a call can be received in a public-private connection shown in FIG. 1, an in-house switch 1 that connects a public line to a dedicated line includes a receiving unit 2, a clock unit 3, a collating unit 4, a permission information storage unit 5, and a voice guide. It is assumed that the unit 6 is provided.

The difference from the related art is that the clock unit 3 is included, and the time zone is included in the registered contents of the permission information storage unit 5.

The receiving unit 2 receives incoming information including a caller number from a public line via a signal line. When receiving the incoming information, the receiving unit 2 decodes the source telephone number from the received incoming information to obtain the source telephone number. The information is output to the matching unit 4 as information. Further, when receiving section 2 receives the “call rejection” from collation section 4, receiving section 2 returns a response to the signal line of the public line on the transmitting side and also transmits a voice message from voice guide section 6 to the public line on the transmitting side. To the call line.

The clock unit 3 outputs the day of the week and the time of every seven days to the collating unit 4 in the calendar. Of course, the clock unit 3 may set a calendar and output a holiday together with the date.

When receiving the caller's telephone number information from the receiver 2, the collator 4 receives the current day of the week and time from the clock unit 3 and, together with the caller's telephone number information, the permission information storage 5
Is compared with the stored registration information to obtain a result of the match / mismatch with the stored registration information. It is assumed that the collating unit 4 that has obtained the “incoming call rejection” drives the voice guidance unit 6 after notifying the receiving unit 2 of the “incoming call rejection”.

When the obtained result information matches, the predetermined operation procedure proceeds as "call acceptance", and when the result information does not match, the call is not accepted.

The permission information storage unit 5 stores in advance the time periods in which the dedicated line utilization rates are different and the source telephone numbers for each of these time periods, and stores the storage registration information based on a request from the collation unit 4. Reply to collation unit 4. The illustrated time zone is a day of the week and time. However, the time zone may be set within 24 hours a day, or a holiday and a holiday may be automatically determined by setting an annual calendar together.

When the voice guidance unit 6 is driven upon receiving the notification of "incoming call rejection" from the collating unit 4, it sends out a voice message to the effect that "the call cannot be received" to the public line on the transmitting side.

Next, referring to FIG. 1 and FIG. 2, an operation procedure at the time of receiving a call in the intra-company switch 1 will be described.

When receiving information from the public line (step S1), the receiving section 2 decodes the source telephone number information from the received incoming information (step S2) and sends it to the matching section 4. When the collating unit 4 receives the source telephone number information from the receiving unit 2,
The day of the day and the current time are received from the clock unit 3 (step S
3) The day of the day and the current time are sent to the permission information storage unit 5.

The permission information storage unit 5 returns the source telephone number information as the reception permission information of the area corresponding to the received day and time. The collating unit 4 collates the returned source telephone number information with the source telephone number information decoded from the incoming information (step S4).

If the result of the collation is a match (Y in step S5)
ES), and the collating unit 4 controls “permission of incoming call” by the control unit (not shown).
Then, the control section performs a predetermined operation of selecting and setting a dedicated line and transmitting incoming information to the set dedicated line.

On the other hand, if the procedure S5 is "NO" and there is no match, the collating unit 4 sends "call refusal" to the receiving unit 2 and the voice guidance unit 6. The receiving unit 2 that has received the “call rejection” sends a response to the calling side via a public line via a signal line (step S7), and the voice message that the voice guidance unit 6 that has received the “call rejection” sends out Is transmitted to the communication line, and returned for the incoming call information (step S8).

In the above description, the voice guidance unit sends the voice message in response to the "call rejection". However, the voice guidance unit always outputs the voice message and outputs the "call rejection".
The receiving unit that has received the message may connect the voice message of the voice guidance unit to the communication line.

In addition, a special message may be formed as "call rejection" and returned by a signal line instead of a voice message. In this case, there is no need for a procedure for responding, and this special message becomes a response.

In the above description, the incoming signal is received and the response is returned by the common signal line method.
According to the ISDN communication protocol, a procedure for returning a call setting reception message when a call setting message is received by an incoming call may be used.

In the above description, the clock unit, the collating unit, and the permission information storage unit are built in the enterprise exchange. However, an external computer and a database may be used. Further, although illustrated and described as the intra-enterprise exchange, other types of telephone exchanges may be used.

As described above, various functions are expected in the individual components in the future, but the functions of the individual components are free as long as the above functions are satisfied, and the above description does not limit the present invention. Absent.

[0031]

As described above, according to the present invention, permission information for preliminarily storing at least a predetermined time and storing a source telephone number for permitting connection to the dedicated line for an incoming call received via a public line. The exchange has a storage unit, and when an incoming call is received via a public line, the exchange decodes the source telephone number information from the received information and compares it with the permission information storage unit together with the current time, and only when the same is matched, A method for determining whether or not a call can be received in a public-private connection that connects an incoming call to the dedicated line is obtained.

With this configuration, like a general office,
Effective use of low-usage hours such as nights and holidays, and fine-grained control that restricts incoming calls from public lines to leased lines during high-daytime work hours Can be obtained.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing an embodiment of the present invention.

FIG. 2 is a flowchart showing one embodiment of the present invention.

FIG. 3 is a functional block diagram showing an example of the related art.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Intra-company exchange 2 Receiving part 3 Clock part 4 Verification part 5 Permission information storage part 6 Voice guidance part

Claims (5)

[Claims] In an incoming call acceptability determination method in a public / exclusive connection in which an exchange for connecting a public line to a dedicated line determines whether or not a call can be received, connection to the dedicated line is permitted for an incoming call received through the public line. A permission information storage unit for pre-storing and storing the source telephone number together with at least a predetermined time, wherein the exchange extracts the source telephone number information from the received information when receiving an incoming call via the public line. A method for determining whether or not a call can be received in a public-private connection, wherein the incoming call is connected to the leased line only when the permission information is matched with the permission information storage unit together with the current time. 2. The communication system according to claim 1, wherein the exchange sends a predetermined voice message to the originating public line after responding to the permission information storage unit and, if there is no match, automatically guides the situation by voice. A method for judging whether or not a call can be received in a public-private connection. 3. The exchange according to claim 1, wherein the exchange is connected with the public line at least based on a communication protocol of ISDN (Integrated Services Digital Network), and when the exchange is collated with the permission information storage unit, the exchange does not match. In this case, a call rejection determination method in a public-private connection is characterized by replying a connection rejection to a call connection request based on the communication protocol. 4. A method for determining whether a call can be received by an exchange connecting a public line to a leased line, wherein the exchange receives an incoming call through the public line. A receiving unit that decodes and outputs the source telephone number information from the information, a permission information storage unit that pre-stores and registers the source telephone numbers for each of a plurality of time zones in which connection to a dedicated line is permitted, and at least current time data And, when receiving the source telephone number information from the receiving unit, the received source telephone number information and the current time output from the clock unit are compared with the registration information in the permission information storage unit. And a matching unit that outputs a match / mismatch. 5. The public-private connection according to claim 4, wherein the collating unit outputs a mismatch to the voice guidance unit, and the voice guidance unit sends a connection rejection status to the transmission source by a voice message. Incoming / Outgoing call determination method in