JPH07170349A - Charging method for telephone call and private branch exchange - Google Patents

Abstract

PURPOSE:To distributedly charges of telephone calls corresponding to the speaking time of each extension telephone set through an INS network. CONSTITUTION:Speaking is performed by originating a call from an extension telephone set 2-1 through the private branch exchange 1 to the INS network and while this speaking is temporarily held, speaking is performed by originating a call to an extension telephone set 2-n. Afterwards, the INS network is transferred to the extension telephone set 2-n and when the speaking is finished, a control part 4 stores a record concerning the speaking between the extension telephone set 2-1 and the INS network in a storage part 5 and writes later the information to link both the records in the case of storing the record concerning the speaking between the extension telephone set 2-n and the INS network in the storage part 5 in the storage part 5. Afterwards, the control part 4 calculates the charges of telephone calls in proportion to the speaking time of the extension telephone sets 2-1 and 2-n from each of speaking time read from both the SMDR records and that the charges of telephone calls reported from the INS network and outputs the calculated result to a charging device 7 so that charging can be performed corresponding to the speaking time of respective extension telephone sets.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a billing method in the case where an extension telephone talks with an INS net through a private branch exchange and transfers this call to another extension telephone, and a private branch exchange adopting this billing method.

[0002]

2. Description of the Related Art Conventionally, in a private branch exchange capable of connecting to an INS net, an extension telephone makes a call to the INS net, talks with the telephone of the other party, transfers the telephone of the other party to another extension telephone, and ends the call. In such a case, the call charge will be added to the extension telephone that made the last call through the INS net. Therefore, no matter how long the call time of the first extension telephone through the INS net is, the extension telephone to which the INS net is transferred last is charged with the line usage fee according to the total talk time, which is very unreasonable. There was a drawback.

[0003]

Conventionally, when an extension telephone transfers a call through an INS net to another extension telephone through a private branch exchange and terminates the call, the above-mentioned IN
There is a drawback in that the extension telephones making a call through the S-net are charged the full call charge, and the remaining extension telephones are not charged the call charge through the INS net, so that the charges are not fair.

Therefore, the present invention eliminates the above-mentioned drawbacks, and
When a call through S-net is transferred to another extension telephone, a call charge billing method and premises capable of charging a call fee to each extension telephone according to the call time of each extension telephone through the INS net The purpose is to provide an exchange.

[0005]

The present invention is capable of connecting to an INS net and has a function of transferring an extension terminal through the INS net to another extension terminal. In a private branch exchange having the function of storing the recorded call time as a record, when a call through the INS net of the extension terminal is transferred to another extension terminal a plurality of times, the storage location of the record of each extension terminal is connected. Connection information storage means for storing the connection information of
When the extension terminal that last made a call through the INS net terminates the call, each extension terminal that has made a call through the INS net records each extension terminal according to the connection information stored in the connection information storage means. A reading means for reading the call time of the extension terminal, and a call charge corresponding to the call time of each extension terminal from the call time of each extension terminal read by the read means and the call charge notified from the INS net. And a calculation means for calculating, and a configuration is provided in which each extension terminal is charged with a call charge according to the call time of each extension terminal calculated by this calculation means.

[0006]

In the private branch exchange of the present invention, the connection information storage means is a connection for connecting the storage locations of the records of each extension terminal when a call through the INS net of the extension terminal is transferred to another extension terminal a plurality of times. Store information. When the extension terminal, which made the last call through the INS net, terminates the reading means, according to the connection information stored in the connection information storage means, the reading means of each extension terminal that made the call through the INS net. The call duration of each extension terminal is read from the record. The calculating means calculates a call charge corresponding to the call time of each extension terminal from the call time of each extension terminal read by the reading means and the call charge notified from the INS net. As a result, the call charge corresponding to the call time of each extension terminal calculated by the calculating means is charged to each extension terminal, and the fair burden of the call charge is realized.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of a private branch exchange of the present invention to which the INS net charging method of the present invention is applied. 1 is a private branch exchange main body, 2-1 to 2-n are extension telephones, 3-1 to 3-m are subscriber lines, 4 is a control unit, 5 is a storage unit, and 6 is a maintenance terminal. The private branch exchange main body 1 has an exchange circuit 11, external line circuits 12-1 to 12-m, internal line circuits 13-1 to 13-n, and an interface circuit 14.

FIG. 2 is a block diagram showing a detailed example of the control unit 4 and the storage unit 5 described above. When the call is transferred, the control unit 4 links the SMDR record before transfer (simply called a record) and the record after transfer to
Address writing means 41 for writing a link address in the record area designated by the rear pointer, call ratio calculating means 42 for calculating the call time ratio corresponding to each call time when the call ends, and the call time ratio It has a charge calculating means 43 for correspondingly calculating a call charge, and an output means 44 for registering the calculated charge in a record and then outputting it to a billing device.

The storage unit 5 stores a table A storing the address of the SMDR record storage area in the table B corresponding to the call number (hereinafter referred to as Cid), a table B storing the data of the SMDR record, and a transfer, There is a table C that stores the call time of each extension when the call ends, a table D that stores the time ratio of each extension calculated from the call time, and a table E that stores the call charge of each extension terminal. is doing.

FIG. 3 is a table A of the storage unit 5 shown in FIG.
FIG. 5 is a diagram showing an example of the contents of table B and their relationship. The table A stores the pointer of the SMDR record data being used corresponding to Cid. Further, a plurality of SMDR record storage areas are set in the table B, and these SDR record storage areas are set.
The data of the MDR record is from the call start time, call end time, call time, caller / receiver, billing party information, call charge, front / rear pointers for linking records before and after transferring the INS net, etc. Has become.

Next, the operation of this embodiment will be described. First, the extension telephone shown in FIG. 1 makes a call to the INS net 8 and transfers the INS net 8 to another extension telephone.
Therefore, a specific operation procedure until the end of the call will be described with reference to FIG. First, the extension telephone 2-1 is the private branch exchange body 1
To call the other party's telephone of INS Net 8 through. After that, the extension telephone 2-1 suspends the INS net 8 once. Next, the extension telephone 2-1 makes a call to the extension 2-n via the private branch exchange 1. At this time, since the extension telephone 2-1 transfers the call of the other party's telephone that has been put on hold to the extension telephone 2-n, the extension telephones 2-n and IN
The S-net 8 is connected and a call is established. At this time, the SMDR records of the extension telephone 2-1 and the extension telephone 2-n are output from the control unit 4 to the billing device 7 via the interface circuit 14.

The call between the extension telephone set 2-n and the destination telephone set through the INS net 8 is completed. At this time, SMDR record data relating to a call between the extension telephone 2-1 and the INS net 8 is output from the control unit 4 to the charging device 7. However, the call time at this time is I when the extension telephone 2-1
From the call to the NS net 8 to the transfer to the extension telephone 2-n. Further, the SMDR records of the extension telephone 2-n and the INS net 8 are output. However, the call time at this time is from the transfer of the extension telephone 2-1 to the INS net 8 and the extension telephone 2-n to the termination of the extension telephone 2-n. In addition, in the above procedure, the IN of the extension telephone 2-1
The call to the S-net 8 is Cid1 and the extension telephone 2-1
Let Cid2 be the call to the extension telephone 2-n and Cid3 be the call to the INS net of the extension telephone 2-n.

FIG. 5 is a flow chart showing the record processing during transfer of the INS net 8 in the above-mentioned operation procedure. Step 501 is a step in which the above-mentioned extension telephone 2-1 transfers the INS net 8 to the extension telephone 2-n. In response to this, the control unit 4 determines in step 502 whether or not the transfer line is a call to the INS net 8, and if so, the process proceeds to step 503, and if not, the process proceeds to step 507. In step 503, the control unit 4 sets the SMDR record R2 for Cid2.
Is read from the table B of the storage unit 5, is output to the charging device 7, and the record is released from the table B. In step 504, the control unit 4 controls the Cid.
After the address for storing the SMDR record R3 for 3 is reserved in the table B, at step 505, the address writing means 41 writes the address of the record R3 of Cid3 to the SMDR record R1 of Cid1 and to the record R3 of Cid3. By writing the address of the record R1, the linkage from the record R1 of Cid1 to the record R3 of Cid3 is performed. After that, the control unit 4 clears the pointer to the record R1 of Cid1 from the table A in step 506 and ends the processing.

On the other hand, when the process proceeds to step 507, the control unit 4 reads out the records R1 and R2 for Cid1 and 2 from the table B, outputs them to the billing device 7, and then releases these records from the table B. Further, the control unit 4 secures the record R3 area for Cid3 in the table B in step 508, and then ends the processing.

In FIG. 6, the extension telephone 2-1 is the INS net 8
FIG. 6 is a diagram showing an example of contents of the table A and the table B after the transfer to the extension telephone set 2-n. Particularly, by the processing of step 505, the front pointer is written in the record R1 and the rear pointer is written in the record R3 of the table B, and the records R1 and R3 are linked.

FIG. 7 is a flowchart showing the processing of the SMDR record when the extension telephone set 2-n to which the call through the INS net 8 is transferred ends. Step 70
When the telephone conversation between the extension telephone 2-1 and the telephone of the other party through the INS net 8 is completed at 1, the control unit 4 reads the pointer of the record R3 corresponding to Cid3 from the table A at step 702, IN at step 703
It is checked whether or not there is a charge notification from the S-net 8, and if there is a charge notification, the process proceeds to step 704, and if not, to step 714. In step 704, the control unit 4 reads the call time from the currently read record indicated by the pointer, writes the call time in the table C, and then proceeds to step 705 to show in FIG. 6 in the record. After such transfer, the pointer is read.

In step 706, the control unit 4 checks whether or not there is a pointer to be read, and if there is a pointer (≠ NULL), the process returns to step 704. If there is no back pointer (= NULL), the call ratio calculating means 43 of the control unit 4 obtains the total call time from the table C in step 707, calculates the call time ratio of each extension terminal, and stores it in the table D. Next, the charge calculation means 43 calculates the call charge of each caller from the charge notified in step 708 and writes it in the table E. And the output means 4
4 is the record R corresponding to Cid3 again in step 709.
The pointer 3 is read from the table A, the call charge read from the table E is registered in the record indicated by the pointer, and the record is output to the billing device 7.

After that, the control unit 5 reads the rear pointer for transfer from the record in the table B indicated by the pointer in step 710, and then records this record in the table B.
, And at this time, in step 711, it is checked whether or not the rear pointer is read from the record. If the rear pointer is present (≠ NULL), the process returns to step 710 to read the call charge sequentially and record the record. Output. If there is no back pointer (= NULL), the control unit 4 clears the pointer indicating the Cid3-corresponding record destination in the table A in step 713, and ends the processing.

On the other hand, if there is no charge notification in step 703, the control unit 4 autonomously calculates the charge of the record indicated by the pointer in step 714, outputs the obtained charge to the charging device 7, and in step 715. The rear pointer for transfer is read from the record to release this record from table B. At this time, the control unit 4 checks in step 716 whether or not the rear pointer is read from the record. If the rear pointer is present (≠ NULL), the process returns to step 714, and if the rear pointer is not present, the step 71 is performed.
In step 3, the pointer of table A is cleared, and the process ends.

FIG. 8 is a diagram showing an example of the contents of the tables C, D and E when the above-mentioned INS net 8 is transferred twice between extensions. The table C stores call times T1 and T2 between the extension terminal and the INS net at each time. Table D stores the call time ratios T1 / (T1 + T2) and T2 / (T1 + T2) to the total call time of each extension terminal, and Table E stores the charges Y × T charged to each extension terminal.
1 / (T1 + T2) and Y × T2 / (T1 + T2) are stored. However, Y is the charge notified from the INS net to the control unit 4. In the process of step 704 of FIG. 7, the call time is written in table C,
The call time ratio is written in the table D in the process of No. 7, and the charge is written in the table E in the process of step 708.

According to the present embodiment, each extension telephone 2 is IN
The SMDR record recorded in the table B for each extension telephone 2 when the call is made by the transfer with the S-net is linked, and after the call of the last extension telephone 2 is completed, the IN
The call charge notified from the S-net is distributed in proportion to the call time of each extension phone 2, and the call charge of each extension phone is calculated and output to the billing device 7. A call charge corresponding to the above will be charged, and a fair charge can be made.

[0022]

As described above, according to the call charge charging method and the private branch exchange of the present invention, when a call through the INS net is transferred to another extension telephone, the call of each extension telephone through the INS net is performed. Call charges can be charged to each extension telephone according to time.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a private branch exchange of the present invention which employs a call charge method of the present invention.

FIG. 2 is a block diagram showing a detailed example of a control unit and a storage unit shown in FIG.

FIG. 3 is a table A and a table B of the storage unit shown in FIG.
The figure which showed the example of contents and its relation.

FIG. 4 is a diagram of I by the extension telephone of the private branch exchange shown in FIG.
The figure which showed the transfer call procedure of NS net.

FIG. 5 is an I of the extension telephone of the private branch exchange shown in FIG.
The flowchart which showed the record process at the time of transfer of NS net.

6 is a diagram showing an example of the contents of table A and table B after the extension telephone set 2-1 shown in FIG. 1 transfers the INS net to the extension telephone set 2-n.

FIG. 7 is a flowchart showing the processing of the SMDR record when the extension telephone set 2-n to which the call through the INS net is transferred ends.

8 is a diagram showing an example of the contents of tables C, D, and E when the INS net shown in FIG. 4 is transferred twice between extensions.

[Explanation of symbols]

1 ... Private branch exchange main body 2-1 to 2-n
Extension telephone 3-1 to 3-m Subscriber line 4 Control unit 5 Storage unit 6 Maintenance terminal 7 Billing device 11 Exchange circuit 12-1 to 12-m External line circuit 13-1 to 13
-N ... extension circuit 14 ... interface circuit

Claims (3)

[Claims] 1. A call charge when the extension terminal of a private branch exchange having a function of storing a call time of a controlled extension terminal as a record transfers a call through an INS net to another extension terminal a plurality of times. In the method, connection information for connecting the storage locations of the records of each extension terminal is stored, and when the extension terminal that last made a call through the INS net ends the call, the connection information is stored. According to the connection information, the call duration of each extension terminal is read from the record of each extension terminal that has made a call through the INS net, and the read call duration of each extension terminal and the INS net are notified. A call charge billing method comprising calculating a call charge according to a call time of each extension terminal from the call charge and charging the extension terminal. 2. An IN network can be connected and the IN
A private branch exchange having a function of transferring a call of an extension terminal through an S-net to another extension terminal, and further having a function of storing a call time of each extension terminal through the INS net as a record, Connection information storing means for storing connection information for connecting the storage location of the record of each extension terminal when a call through the INS net is transferred to another extension terminal a plurality of times, and the connection information storage means When the extension terminal that last made the call ends, the extension time of each extension terminal is recorded from the record of each extension terminal that made the call through the INS net according to the connection information stored in the connection information storage means. Each extension from the reading means for reading out, the call duration of each extension terminal read by this reading means, and the call charge notified from the INS net. A calculating means for calculating a call charge according to the last call time, and charging each extension terminal with a call charge according to the call time of each extension terminal calculated by this calculating means. Private branch exchange. 3. The private branch exchange according to claim 2, further comprising output means for outputting the call charge calculated by the calculating means to an external billing device.